Ibm DS6000 Manual de usuario

ibm.com/redbooksFront coverIBM System Storage DS6000 Series: Copy Services with IBM System zPlan, install and configure DS6000 Copy Services with Sys

viii IBM System Storage DS6000 Series: Copy Services with IBM System z19.1.1 Peak bandwidth requirements . . . . . . . . . . . . . . . . . . . . .

76 IBM System Storage DS6000 Series: Copy Services with IBM System zThe following explanations apply to the cases presented in Example 9-1: 򐂰 Example

Chapter 9. FlashCopy interfaces 77Example 9-2 lsflash command examples#--- Example 1lsflash -dev IBM.1750-13ABC2A 0004Date/Time: July 8, 2005 3:00:

78 IBM System Storage DS6000 Series: Copy Services with IBM System z=================================================================================

Chapter 9. FlashCopy interfaces 79Example 9-3 setflashrevertible command examples#------------------------------------------------------------#---

80 IBM System Storage DS6000 Series: Copy Services with IBM System zcommitflash -dev IBM.1750-13ABC2A 0001-0005Date/Time: July 10, 2005 2:46:18 PM CE

Chapter 9. FlashCopy interfaces 81resyncflash -dev IBM.1750-13ABC2A -record -persist -seqnum 11 0001:0101 0005:0105Date/Time: July 10, 2005 5:05:58 P

82 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 9-6 reverseflash command examples#--- Example 1lsflash -dev IBM.1750-13

Chapter 9. FlashCopy interfaces 83򐂰 Example 2: reverse a FlashCopy relationship multiple times.It is possible to reverse a FlashCopy relationship mul

84 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 9-8 rmflash command to create new background copy#--- Example 1rmflash

Chapter 9. FlashCopy interfaces 85Reset FlashCopy Consistency Group using unfreezeflashThe command unfreezeflash can be used to remove a Consistency

Contents ix23.3.1 Add or remove volumes to a Global Mirror session . . . . . . . . . . . . . . . . . . . . . 27123.3.2 Add or remove storage dis

86 IBM System Storage DS6000 Series: Copy Services with IBM System z9.5.2 Parameters used in remote FlashCopy commandsFigure 9-2 DS CLI remote Fla

Chapter 9. FlashCopy interfaces 879.6 FlashCopy management using the DS SMTo use the DS SM front end GUI, a supported Web Browser needs to be instal

88 IBM System Storage DS6000 Series: Copy Services with IBM System z4. Select common optionsFigure 9-4 on page 88 shows the options that can be chose

Chapter 9. FlashCopy interfaces 899.6.2 Display properties of existing FlashCopyOn the DS SM window, select Real-time manager on the left, then Flas

90 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 9-5 FlashCopy display propertiesThis selection will give you a window, w

Chapter 9. FlashCopy interfaces 91򐂰 Out-of-synch tracksThe window displaying the out-of-synch tracks can be used to monitor how the FlashCopy perform

92 IBM System Storage DS6000 Series: Copy Services with IBM System z9.6.3 Reverse existing FlashCopyTo reverse an existing FlashCopy relationship yo

Chapter 9. FlashCopy interfaces 93Figure 9-8 Properties that can be changed with the reverse action9.6.4 Initiate background copy for a persistent

94 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 9-9 Initiate background copyThe next window displayed is shown in Figure

Chapter 9. FlashCopy interfaces 95Figure 9-11 Resynchronize the FlashCopy relationshipThe following prompt window asks for more details for the res

x IBM System Storage DS6000 Series: Copy Services with IBM System z24.5.14 Delete Global Copy pairs . . . . . . . . . . . . . . . . . . . . . . . .

96 IBM System Storage DS6000 Series: Copy Services with IBM System z9.6.6 Delete existing FlashCopy relationshipTo delete an existing FlashCopy rela

Chapter 9. FlashCopy interfaces 979.7 z/OS interfaces for local FlashCopyThe following z/OS-provided interfaces can be used for FlashCopy management

98 IBM System Storage DS6000 Series: Copy Services with IBM System zTable 9-9 Options and parameters used for FlashCopy with DFSMSdss COPY FULLThe

Chapter 9. FlashCopy interfaces 99Group has been formed. During the time period between the first and last volumes being frozen, no dependent write u

100 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 Incremental FlashCopy, Persistent FlashCopy, Change Recording optionIncrementa

Chapter 9. FlashCopy interfaces 101FCNOCOPY to get a point-in-time copy and then perform FCNOCOPYTOCOPY later to start background copy. If you want a

102 IBM System Storage DS6000 Series: Copy Services with IBM System zTable 9-13 Data mover for data set copy (to device of same geometry)Data set t

Chapter 9. FlashCopy interfaces 1039.7.2 FlashCopy using TSO commandsIn this section we describe the FlashCopy functions invoked via TSO commands an

104 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 9-14 Incremental FlashCopy invoked with FCESTABL and INCREMENTAL(YES)

Chapter 9. FlashCopy interfaces 105򐂰 All specified source device tracks are updated. 򐂰 The DS6000 copies all tracks from source to target when a thre

Contents xi26.7.5 Delete Global Copy pairs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37026.7.6 Remove Gl

106 IBM System Storage DS6000 Series: Copy Services with IBM System z FCESTABL SDEVN(X'3501') TDEVN(X'4501') MODE(NOCOPY2COPY)Fl

Chapter 9. FlashCopy interfaces 107Inband FlashCopy can be useful if the host at the recovery site is not online. The Inband option eliminates the ne

108 IBM System Storage DS6000 Series: Copy Services with IBM System zAs shown in Example 9-20, Fast Reverse Restore is invoked with the FCESTABL comm

Chapter 9. FlashCopy interfaces 109Example 9-21 FlashCopy withdraw target only//*******************************************************************

110 IBM System Storage DS6000 Series: Copy Services with IBM System z/*The main benefit of the DDSW(YES) parameter is that it can be used to easily f

© Copyright IBM Corp. 2006. All rights reserved. 111Chapter 10. FlashCopy performanceThis chapter discusses best practices when configuring FlashCopy

112 IBM System Storage DS6000 Series: Copy Services with IBM System z10.1 FlashCopy performance overviewMany parameters can affect the performance o

Chapter 10. FlashCopy performance 113Table 10-1 FlashCopy source and target volume location10.1.2 LSS/LCU versus rank considerationsIn the DS6000

114 IBM System Storage DS6000 Series: Copy Services with IBM System z10.2 FlashCopy establish phase performanceThe FlashCopy of a volume has two dis

Chapter 10. FlashCopy performance 115The recommended placement of the FlashCopy source and target volumes, regarding the physical FlashCopy phase, wa

xii IBM System Storage DS6000 Series: Copy Services with IBM System z28.3.3 Establish logical paths between DS8000 and DS6000 using DS CLI. . . . .

116 IBM System Storage DS6000 Series: Copy Services with IBM System ztypically the preferred option. However, some workloads that contain a large num

Chapter 10. FlashCopy performance 117When backing up to disk, it is important to take the necessary steps to protect your data. Remember that, until

118 IBM System Storage DS6000 Series: Copy Services with IBM System ztype of workload. This topic has been discussed in 10.4, “FlashCopy impact on ap

Chapter 10. FlashCopy performance 119of the point-in-time refresh to complete the copy of the changed data. Finally, take the required point-in-time

120 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 121Chapter 11. FlashCopy examplesThis chapter presents examples of the use of FlashCopy in the follow

122 IBM System Storage DS6000 Series: Copy Services with IBM System z11.1 Create a test system or integration system Test systems or integration sys

Chapter 11. FlashCopy examples 123Example 11-2 Create a multiple setup of a test systemPart 1//****************************************************

124 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 11-3 Create a backup copy using TSO FlashCopy commandsPart 1//********

Chapter 11. FlashCopy examples 125Example 11-5 Create a full volume copy with incremental parameter//**********************************************

Contents xiii31.4.1 FlashCopy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47031.4.2

126 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 11-7 Reverse the FlashCopy volumesPart 2//****************************

© Copyright IBM Corp. 2006. All rights reserved. 127Part 4 Metro MirrorThis part of the book describes IBM System Storage Metro Mirror for DS6000 when

128 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 129Chapter 12. Metro Mirror overviewThis chapter explains the basic characteristics of Metro Mirror f

130 IBM System Storage DS6000 Series: Copy Services with IBM System z12.1 Metro Mirror overviewMetro Mirror (previously known as synchronous Peer-to

Chapter 12. Metro Mirror overview 13112.2 Metro Mirror volume stateVolumes participating in a Metro Mirror session can be found in any of the follow

132 IBM System Storage DS6000 Series: Copy Services with IBM System zData consistency, dependent writes, extended long busy, are all discussed in det

© Copyright IBM Corp. 2006. All rights reserved. 133Chapter 13. Metro Mirror options and configurationThis chapter discusses the options available whe

134 IBM System Storage DS6000 Series: Copy Services with IBM System z13.1 High availability solutionsBecause the disk subsystem attached to the serv

Chapter 13. Metro Mirror options and configuration 135The switch back is completed with one more sequence of a Metro Mirror Failover followed by a Me

xiv IBM System Storage DS6000 Series: Copy Services with IBM System zProduction and performance considerations. . . . . . . . . . . . . . . . . . . .

136 IBM System Storage DS6000 Series: Copy Services with IBM System z13.3 Consistency Group functionIn order to restart applications at the remote s

Chapter 13. Metro Mirror options and configuration 137In other words, the order of updates was not the same as it was for the source data, but the or

138 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 13-2 Consistency Group: Example 1In Figure 13-2, there are two Metro Mi

Chapter 13. Metro Mirror options and configuration 139Figure 13-3 Consistency Group: Example 2In all cases, if each write operation is dependent, t

140 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 13-4 Consistency Group: Example 3In this case, the Metro Mirror target

Chapter 13. Metro Mirror options and configuration 141The ICKDSF PPRCOPY FREEZE and PPRCCOPY RUN commands provide the same functionality as the TSO C

142 IBM System Storage DS6000 Series: Copy Services with IBM System zThe volume pair is suspended and further writes to the source volume are not acc

Chapter 13. Metro Mirror options and configuration 143Figure 13-5 Logical pathsPaths are unidirectional, that is they are defined to operate in eit

144 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 13-6 DS6000 FC portsDedicating Fibre Channel ports for Metro Mirror use

Chapter 13. Metro Mirror options and configuration 145Figure 13-7 Logical paths for Metro MirrorMetro Mirror paths have certain architectural limit

© Copyright IBM Corp. 2006. All rights reserved. xvNoticesThis information was developed for products and services offered in the U.S.A. IBM may not o

146 IBM System Storage DS6000 Series: Copy Services with IBM System z13.7 DistanceThe distance between your primary and secondary DS6000 subsystems

Chapter 13. Metro Mirror options and configuration 147In addition to making the maintenance of the Metro Mirror configuration easier, the symmetrical

148 IBM System Storage DS6000 Series: Copy Services with IBM System z13.10 Hardware requirementsMetro Mirror is an optional licensed function of the

© Copyright IBM Corp. 2006. All rights reserved. 149Chapter 14. Metro Mirror interfacesThis chapter discusses, and provides examples of, the interface

150 IBM System Storage DS6000 Series: Copy Services with IBM System z14.1 Metro Mirror interfaces - overviewThere are various interfaces available f

Chapter 14. Metro Mirror interfaces 151Similar functions of the interfaces for Metro Mirror managementTable 14-1 lists the commands and selections fo

152 IBM System Storage DS6000 Series: Copy Services with IBM System zThe TSO commands communicate with the DS6000 through a device number specified i

Chapter 14. Metro Mirror interfaces 153This command has parameters that allow it to indicate whether the operation is an initial establish of volumes

154 IBM System Storage DS6000 Series: Copy Services with IBM System z14.2.4 CDELPAIRThe CDELPAIR command is used to specify the primary and secondar

Chapter 14. Metro Mirror interfaces 155Example 14-5 illustrates the CGROUP command.Example 14-5 CGROUP command exampleCGROUP DEVN(X'6400'

xvi IBM System Storage DS6000 Series: Copy Services with IBM System zTrademarksThe following terms are trademarks of the International Business Machi

156 IBM System Storage DS6000 Series: Copy Services with IBM System z* SECONDARY.1 500507630EFFFCA0 * ********

Chapter 14. Metro Mirror interfaces 157Example 14-10 CRECOVER commandCRECOVER DEVN(X’6400’) -PRIM(‘X0002’ AAVCA X’00’ X’00’) -SEC(X’0003’ AAVCA X’0

158 IBM System Storage DS6000 Series: Copy Services with IBM System z14.3.1 Metro Mirror management with ICKDSFTable 14-2 lists the Metro Mirror com

Chapter 14. Metro Mirror interfaces 15914.3.2 Display the Fibre Channel Connection Information TableThe ANALYZE command allows the user to specify t

160 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 14-17 ICKDSF DELPAIR example//IKJEFT01 JOB MSGLEVEL=(1,1),MSGCLASS=A,N

Chapter 14. Metro Mirror interfaces 161This specifies the World Wide Node Name of the primary and secondary DS6000. Each WWNN is an 8-byte hexadecima

162 IBM System Storage DS6000 Series: Copy Services with IBM System zA host system that is attached only to a primary volume cannot obtain the status

Chapter 14. Metro Mirror interfaces 163ICK04029I DEVICE IS IN SUSPENDED PPRC STATE

164 IBM System Storage DS6000 Series: Copy Services with IBM System zICK00002I ICKDSF PROCESSING COMPLETE. MAXIMUM CONDITION CODE WAS 014.3.9 PPRCOP

Chapter 14. Metro Mirror interfaces 16514.4 DS Command-Line InterfaceAlthough the DS CLI will not run on a System z processor, it can be used to per

© Copyright IBM Corp. 2006. All rights reserved. xviiPrefaceThis IBM Redbook will help you plan, install, and configure the IBM System Storage DS6000

166 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 The port IDs for source and target. Up to eight port pair IDs can be specified

Chapter 14. Metro Mirror interfaces 167-tgtlss the LSS number of the targetI0003:I0003 one of the source and target port ID pairsmkpprcThe mkpprc com

168 IBM System Storage DS6000 Series: Copy Services with IBM System z14.5.3 Manage a Metro Mirror environmentThis section describes the commands you

Chapter 14. Metro Mirror interfaces 1691/1 pair 0601:0101 state: Full Duplex.failoverpprcThe failoverpprc command is used to start a failover operati

170 IBM System Storage DS6000 Series: Copy Services with IBM System zImportant: If you failback so that updates are copied from the remote disk subsy

Chapter 14. Metro Mirror interfaces 171Example 14-36 failbackpprc commandFollowing command issued to SMC at backup sitedscli> failbackpprc -dev

172 IBM System Storage DS6000 Series: Copy Services with IBM System z14.6 DS Storage Manager GUIThe DS Storage Manager (DS SM) is a graphical user i

Chapter 14. Metro Mirror interfaces 173Figure 14-2 Select source LSS panelNow you must select the target LSS, using the panel shown in Figure 14-3.

174 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 14-4 Select source I/O portsNow you must define a target I/O port for e

Chapter 14. Metro Mirror interfaces 175Figure 14-6 Select path options panelNext, the verification panel (see Figure 14-7) opens. Here you can veri

xviii IBM System Storage DS6000 Series: Copy Services with IBM System zinclude Copy Services solutions in Metro/Global Mirror and Incremental Re-sync

176 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 14-8 Initial Metro Mirror panel, Create pull-down selectedThe panel sho

Chapter 14. Metro Mirror interfaces 177Figure 14-10 Automatic volume assignment source volume selection panelIn our example, we selected volumes 06

178 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 14-12 Metro Mirror optionsAfter making these selections, the Verificati

Chapter 14. Metro Mirror interfaces 17914.6.3 Resume suspended pairTo resume a suspended pair from the DS Storage Manager, you can follow a procedur

180 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 181Chapter 15. Metro Mirror performance and scalabilityIn this chapter, we discuss performance and sc

182 IBM System Storage DS6000 Series: Copy Services with IBM System z15.1 PerformanceBecause Metro Mirror is a synchronous mirroring technology, it

Chapter 15. Metro Mirror performance and scalability 18315.2 ScalabilityThe DS6000 Metro Mirror environment can be scaled up or down as required. If

184 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 185Chapter 16. Metro Mirror examplesIn this chapter we show examples using TSO, ICKDSF and DS CLI com

Preface xixThe team: Gustavo, Robert, Wenzel, Jana, Peter, Markus, Denise, Werner, Ying, Stephen, BertrandAcknowledgementsJohn Bynum and Robert Moon

186 IBM System Storage DS6000 Series: Copy Services with IBM System z16.1 Resynchronization of suspended volume using TSOTo resynchronize a volume t

Chapter 16. Metro Mirror examples 187Example 16-2 Resume suspended Metro Mirror pair from TSOCESTPAIR DEVN(X'6400') PRIM(X'0002&apos

188 IBM System Storage DS6000 Series: Copy Services with IBM System zSyslog messagesExample 16-4 shows the syslog messages from a failover operation.

Chapter 16. Metro Mirror examples 189ANTP0090I CQUERY FORMATTED LVL 3 239 VOLUME REPORT

190 IBM System Storage DS6000 Series: Copy Services with IBM System zrecorded on the B volumes back to the A volumes. You must vary the A volumes off

Chapter 16. Metro Mirror examples 191*DEVICE LEVEL STATE PATH STATUS SERIAL# SERIAL# * *------ --------- ---------- ----------

192 IBM System Storage DS6000 Series: Copy Services with IBM System z* SUBSYSTEM WWNN LIC LEVEL * * -------

Chapter 16. Metro Mirror examples 193* CRIT(NO)... CGRPLB(NO). 0000000AAVCA 0000000AAGXA* * PATHS PFCA SFCA STATUS: DESCRIPTION

194 IBM System Storage DS6000 Series: Copy Services with IBM System z* SECONDARY.1 500507630EFFFCA0 * * SECONDA

Chapter 16. Metro Mirror examples 195Establish a volume pairSimilar to System z volumes, we first have to collect the required information. In this e

xx IBM System Storage DS6000 Series: Copy Services with IBM System zEmma Jacobs and Alfred SchwabITSO editorial assistanceBecome a published authorJo

196 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 16-11 CESTPAIR and CQUERY outputANTP8802I CESTPAIR DEVN(X'6030&ap

Chapter 16. Metro Mirror examples 197Example 16-12 on page 196 shows an ICKDSF job that is defining the Metro Mirror path. Notice that the PPRCOPY ES

198 IBM System Storage DS6000 Series: Copy Services with IBM System z 4TH: ... ... ... . ... ... 00

© Copyright IBM Corp. 2006. All rights reserved. 199Part 5 Global CopyIn this part of the book, we describe IBM System Storage Global Copy for DS6000.

200 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 201Chapter 17. Global Copy overviewIn this chapter we describe the characteristics and operation of G

202 IBM System Storage DS6000 Series: Copy Services with IBM System z17.1 Global Copy overviewGlobal Copy (formerly known as PPRC Extended Distance,

Chapter 17. Global Copy overview 20317.2 Volume states and change logicFigure 17-2 illustrates the basic states and the change logic of a volume tha

204 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 You can also request that a pair be suspended as soon as it reaches the full-d

© Copyright IBM Corp. 2006. All rights reserved. 205Chapter 18. Global Copy options and configurationThis chapter discusses the options available when

© Copyright IBM Corp. 2006. All rights reserved. xxiSummary of changesThis section describes the technical changes made in this edition of the book an

206 IBM System Storage DS6000 Series: Copy Services with IBM System z18.1 Global Copy basic optionsFirst we review the basic options available when

Chapter 18. Global Copy options and configuration 20718.1.4 Terminate Global Copy pairThis operation ends the remote copy relationship between the v

208 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 18-1 TSO initiated go-to-sync transitionCESTPAIR DEVN(X'400A&apos

Chapter 18. Global Copy options and configuration 20918.2.4 Go-to-sync using the DS CLIYou can also use the DS CLI command mkpprc with the option -m

210 IBM System Storage DS6000 Series: Copy Services with IBM System zcorresponds to the sectors that were updated since the last volume bitmap scan w

Chapter 18. Global Copy options and configuration 211The steps in the procedure shown in Figure 18-3 are the following:1. Quiesce the application upd

212 IBM System Storage DS6000 Series: Copy Services with IBM System zdone using an ESS 800 (or ESS 750) as an intermediate unit, because the ESS 800

Chapter 18. Global Copy options and configuration 21318.5 Hardware requirementsGlobal Copy is an optional licensed function of the IBM System Storag

214 IBM System Storage DS6000 Series: Copy Services with IBM System zTherefore, for licensed functions authorized on the basis of physical capacity—a

Chapter 18. Global Copy options and configuration 21518.7 Global Copy connectivityGlobal Copy pairs are set up between volumes in LSSs, usually in d

xxii IBM System Storage DS6000 Series: Copy Services with IBM System z

216 IBM System Storage DS6000 Series: Copy Services with IBM System z18.7.2 Logical pathsWe recommend that you read the discussion presented in 13.4

Chapter 18. Global Copy options and configuration 21718.9 Other planning considerationsFigure 18-6 illustrates the use of Global Copy for point-in-t

218 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 219Chapter 19. Global Copy performance and scalabilityIn this chapter, we discuss performance and sca

220 IBM System Storage DS6000 Series: Copy Services with IBM System z19.1 PerformanceAs the distance between DS6000s increases, Metro Mirror respons

© Copyright IBM Corp. 2006. All rights reserved. 221Chapter 20. Global Copy interfacesThe setup of Global Copy can be done using different interfaces.

222 IBM System Storage DS6000 Series: Copy Services with IBM System z20.1 Global Copy interfaces - overviewThere are various interfaces available fo

Chapter 20. Global Copy interfaces 223Table 20-1 Comparison of commandsTask TSO ICKDSF Command with DS CLISelect option with DS SMGlobal Copy paths

224 IBM System Storage DS6000 Series: Copy Services with IBM System z20.2 TSO commands for Global Copy managementIn z/OS systems, Global Copy can be

Chapter 20. Global Copy interfaces 225Table 20-3 CESTPAIR parameter 20.2.3 CESTPATHWhen establishing a path between DS6000s for Global Copy, use t

© Copyright IBM Corp. 2006. All rights reserved. 1Part 1 OverviewIn Part 1 we describe the various Advanced Copy Services offerings for the IBM System

226 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 20-4 CDELPATH commandCDELPATH DEVN(X'6030') -PRIM(X'206

Chapter 20. Global Copy interfaces 22720.2.7 CQUERYThe CQUERY command is used to query the status of one volume of a Global Copy volume pair or all

228 IBM System Storage DS6000 Series: Copy Services with IBM System zDuring this procedure, the volume serial number can be verified and optionally r

Chapter 20. Global Copy interfaces 229Table 20-4 ICKDSF commandsDetailed explanation for each of the ICKDSF commands, as well as examples, are incl

230 IBM System Storage DS6000 Series: Copy Services with IBM System zFor the most current list of DS CLI supported environments, refer to the Interop

Chapter 20. Global Copy interfaces 231Example 20-14 rmpprcpath commanddscli> rmpprcpath -dev IBM.1750-13AAGXA -remotedev IBM.1750-13AAVCA 16:16D

232 IBM System Storage DS6000 Series: Copy Services with IBM System zmkpprcWith the mkpprc command, you can create a Global Copy pair. To create a Gl

Chapter 20. Global Copy interfaces 233Example 20-22 rmpprc commanddscli> rmpprc -dev IBM.1750-13AAGXA -remotedev IBM.1750-13AAVCA 1600:1600Date/

234 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 20-1 Paths panelTo create a new path, select from the Select Actions pu

Chapter 20. Global Copy interfaces 235Figure 20-3 Metro Mirror panelTo create a new Global Copy pair, choose Create from the Select Action pull-dow

2 IBM System Storage DS6000 Series: Copy Services with IBM System zYou can use either the IBM System Storage DS Storage Command-Line Interface, DS C

236 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 237Chapter 21. Global Copy examplesThis chapter includes sample Global Copy scenarios and examples of

238 IBM System Storage DS6000 Series: Copy Services with IBM System z21.1 Define and manage Global Copy pairs using TSOFigure 21-1 shows a diagram o

Chapter 21. Global Copy examples 239Example 21-3 CQUERY commandANTP8802I CQUERY DEVN(X'6030') ANT

240 IBM System Storage DS6000 Series: Copy Services with IBM System zANTP0001I CQUERY COMMAND COMPLETED FOR DEVICE 6030. COMPLETION CODE: 003. After

Chapter 21. Global Copy examples 241SSID(0002) MODE(COPY) 6. The final task was to reestablish Global Copy for the volume pairs; see Example 21-8.Exa

242 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 21-10 Check portsC:\IBM\DSCLI>dscli -cfg ess-22399.prf lsavailpprcp

Chapter 21. Global Copy examples 243===========================================================================================050A:023A Copy Pending

244 IBM System Storage DS6000 Series: Copy Services with IBM System zDate/Time: November 22, 2005 4:45:34 PM EET IBM DSCLI Version: 5.1.0.204 DS: IBM

© Copyright IBM Corp. 2006. All rights reserved. 245Chapter 22. Global Mirror overviewIn this chapter we provide an overview of what Global Mirror is.

© Copyright IBM Corp. 2006. All rights reserved. 3Chapter 1. IntroductionThis chapter introduces the business drivers for Copy Services and provides a

246 IBM System Storage DS6000 Series: Copy Services with IBM System z22.1 Synchronous and non synchronous data replicationWhen replicating data over

Chapter 22. Global Mirror overview 247In synchronous data replication methods such as Metro Mirror, an application write always goes through the foll

248 IBM System Storage DS6000 Series: Copy Services with IBM System zA database update usually involves three dependent write I/Os to ensure data con

Chapter 22. Global Mirror overview 249Figure 22-3 Synchronous data replication, freeze, and restart without recovery requiredThe sequence of events

250 IBM System Storage DS6000 Series: Copy Services with IBM System zSummaryIn summary, the following characteristics are typical of a synchronous da

Chapter 22. Global Mirror overview 2512. Present channel end and device end and acknowledge to the application successful I/O completion. The applica

252 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 22-6 Global Copy non synchronous data replication involving multiple di

Chapter 22. Global Mirror overview 253To accomplish the necessary activities with minimum impact on the application write I/O, Global Mirror introduc

254 IBM System Storage DS6000 Series: Copy Services with IBM System zGlobal Mirror works like a distributed application. A distributed application is

Chapter 22. Global Mirror overview 255When the Master and Subordinate are in a single storage disk subsystem the Subordinate is internally managed by

4 IBM System Storage DS6000 Series: Copy Services with IBM System z1.1 Introduction to Copy ServicesWe briefly describe each function of the Copy Se

256 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 22-10 Establish Global Copy connectivity between both sitesNote in Figu

Chapter 22. Global Mirror overview 257In the following paragraphs we refer to the primary volume as the A volume and to the secondary volume as the B

258 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 Start change recording: Apply changes only from the source volume to the targe

Chapter 22. Global Mirror overview 25922.3.6 Populate Global Mirror session with volumesFigure 22-14 Add Global Copy primary volume to Global Mirr

260 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 22-15 Start Global Mirror This start command triggers events that invol

Chapter 22. Global Mirror overview 261Figure 22-16 Formation of consistent set of volumes at the secondary siteNote that before step 1 and after st

262 IBM System Storage DS6000 Series: Copy Services with IBM System zOnce step 3 is complete, a consistent set of volumes have been created at the se

Chapter 22. Global Mirror overview 263If this persists for a significant period of time, then eventually Global Mirror will force the formation of a

264 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 265Part 6 Global MirrorThis part of the book describes IBM System Storage Global Mirror for DS6000 wh

Chapter 1. Introduction 5When a FlashCopy operation is invoked, it takes only a few seconds to complete the process of establishing the FlashCopy pai

266 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 267Chapter 23. Global Mirror options and configurationIn this chapter we provide a detailed descripti

268 IBM System Storage DS6000 Series: Copy Services with IBM System z23.1 Terminology used in Global Mirror environmentsFirst, let us review and fur

Chapter 23. Global Mirror options and configuration 269When you start or resume a session, Consistency Groups are created, and the Master storage dis

270 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 23-1 Global Mirror basic configuration with Master and Subordinate disk

Chapter 23. Global Mirror options and configuration 271disk subsystem at the local site. If you did not establish these paths in the very first step,

272 IBM System Storage DS6000 Series: Copy Services with IBM System zvolumes, you may consider adding the new volumes to an existing Global Mirror se

Chapter 23. Global Mirror options and configuration 27323.3.4 Global Mirror environment topology changesThe topology of a Global Mirror session, for

274 IBM System Storage DS6000 Series: Copy Services with IBM System zThe RSESSION command contains the topology information for the Subordinate and a

Chapter 23. Global Mirror options and configuration 275volumes from the Global Mirror session, Global Copy keeps running and replicating newly arrive

International Technical Support OrganizationIBM System Storage DS6000 Series: Copy Services with IBM System zDecember 2006SG24-6782-02

6 IBM System Storage DS6000 Series: Copy Services with IBM System zGlobal Mirror (Asynchronous PPRC)Global Mirror provides a long-distance remote cop

276 IBM System Storage DS6000 Series: Copy Services with IBM System zWhen you create a Global Mirror environment that spans multiple storage disk sub

Chapter 23. Global Mirror options and configuration 277Note that when you configure links over a SAN network, the same FCP ports of the storage disk

278 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 23-5 Dedicated and shared linksIn Figure 23-5 an FCP port in the Master

Chapter 23. Global Mirror options and configuration 279Figure 23-6 Dedicated Global Mirror links and dedicated Global Copy links23.6 Connectivity

280 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 23-7 Host connectivity at both sitesIn case of a failure at the local s

Chapter 23. Global Mirror options and configuration 28123.6.2 Single site host connectivityFigure 23-8 Single site host connectivity - with or wit

282 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 23-8 shows more than a single FICON/FCP director at both sites, for avail

Chapter 23. Global Mirror options and configuration 283Figure 23-10 Primary site failsThe goal is to swap to the remote site and restart the applic

284 IBM System Storage DS6000 Series: Copy Services with IBM System zcommands. In our example, we assume that there is a host connection to the remot

Chapter 23. Global Mirror options and configuration 285Note that this command just changes the state of the secondary volumes from secondary pending

© Copyright IBM Corp. 2006. All rights reserved. 7Chapter 2. Copy Services architectureThis chapter is an overview of the structure of the Copy Servic

286 IBM System Storage DS6000 Series: Copy Services with IBM System zFCQUERY Formatted -2 DEVN SSID

Chapter 23. Global Mirror options and configuration 287If you see a situation other than the above four situations, then the Global Mirror mechanism

288 IBM System Storage DS6000 Series: Copy Services with IBM System zThese indications suggest that you have to return the revertible FlashCopy relat

Chapter 23. Global Mirror options and configuration 289Example 23-8 Withdraw Global Mirror FlashCopy relationship with ACTION(COMMIT)//* ----------

290 IBM System Storage DS6000 Series: Copy Services with IBM System zFRR replicates all data from C to B making a physical copy of C, with some excep

Chapter 23. Global Mirror options and configuration 291//SYSTSIN DD DDNAME=SYSIN

292 IBM System Storage DS6000 Series: Copy Services with IBM System z23.7.7 Restart the application at the remote siteAt this stage you may restart

Chapter 23. Global Mirror options and configuration 293Note that the Failback operation is issued to the B volumes as the primary and the A volumes a

294 IBM System Storage DS6000 Series: Copy Services with IBM System zOnce the local site is ready, quiesce the application at the remote site. Then a

Chapter 23. Global Mirror options and configuration 295Last but not least, if you did not already establish the FlashCopy relationship from B to C du

8 IBM System Storage DS6000 Series: Copy Services with IBM System z2.1 Introduction to the Copy Services structureThe Copy Services architecture for

296 IBM System Storage DS6000 Series: Copy Services with IBM System z23.7.10 ConclusionsThis concludes the sequence of steps you have to go through

© Copyright IBM Corp. 2006. All rights reserved. 297Chapter 24. Global Mirror interfacesIn this chapter we provide an overview of the interfaces you c

298 IBM System Storage DS6000 Series: Copy Services with IBM System z24.1 Global Mirror interfaces - overviewGlobal Mirror combines Global Copy and

Chapter 24. Global Mirror interfaces 299Figure 24-1 Establish FlashCopy relationship within Global Mirror24.2.1 Establish FlashCopy using TSOExamp

300 IBM System Storage DS6000 Series: Copy Services with IBM System z24.2.2 Establish FlashCopy using DS CLIExample 24-3 shows how to create the Fla

Chapter 24. Global Mirror interfaces 30124.2.3 Establish FlashCopy using ICKDSFICKDSF is usually the interface that is used to manage remote copy co

302 IBM System Storage DS6000 Series: Copy Services with IBM System zTSO commandsTSO commands are submitted using an inband approach over the host ch

Chapter 24. Global Mirror interfaces 30324.3.1 Establish a Global Mirror environmentThe following sections discuss the setup of a Global Mirror envi

304 IBM System Storage DS6000 Series: Copy Services with IBM System z//EPATHS EXEC PGM=IKJEFT01 //SYSPRINT

Chapter 24. Global Mirror interfaces 305For redundancy reasons it is better to define two paths between the primary disk subsystems. Note that the FC

Chapter 2. Copy Services architecture 9Example 2-1 Difference between a DS6000 Storage Unit and DS6000 SFIdscli> lssuDate/Time: 13 November 2005

306 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 24-11 Query Global Copy pair immediately after ESTABLISHCQUERY DEVN

Chapter 24. Global Mirror interfaces 307Example 24-13 Global Copy after first replication phase is completedCQUERY DEVN(X'2C00')

308 IBM System Storage DS6000 Series: Copy Services with IBM System zThe inband modality is used when the remote site is not connected to the local s

Chapter 24. Global Mirror interfaces 309The TSO command RSESSION is used to set up and manage a Global Mirror session; see Example 24-15. This includ

310 IBM System Storage DS6000 Series: Copy Services with IBM System z24.3.7 Start a Global Mirror sessionThe new RSESSION command is used to start t

Chapter 24. Global Mirror interfaces 311򐂰 ACTION is required and specifies which kind of query report is requested. Three different query reports can

312 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 24-19 shows for this status Running. Refer to z/OS DFSMS Advanced Copy S

Chapter 24. Global Mirror interfaces 313Example 24-22 Global Copy primary volumes in Global Mirror sessionREADY RQUERY SNBR(01) VOLSER(

314 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 24-7 ICKDSF support for Global MirrorFigure 24-7 provides the complete

Chapter 24. Global Mirror interfaces 315Figure 24-8 Define all needed paths for the Global Mirror environment through ICKDSFExample 24-23 shows the

10 IBM System Storage DS6000 Series: Copy Services with IBM System z================================================================2107_75ABTV1/V2 I

316 IBM System Storage DS6000 Series: Copy Services with IBM System z24.5.3 Establish Global Copy pairsWhen you set up a Global Mirror environment,

Chapter 24. Global Mirror interfaces 317hex notation. In hex notation the third parameter refers to the channel connection address (CCA) of the corre

318 IBM System Storage DS6000 Series: Copy Services with IBM System zThe ESTABLISH inband command has some complexity. UNIT points to the local prima

Chapter 24. Global Mirror interfaces 319Figure 24-11 ICKDSF - define Global Mirror sessionExample 24-27 shows an ICKDSF job that defines a Global M

320 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 24-12 ICKDSF - populate a Global Mirror session with primary volumesExa

Chapter 24. Global Mirror interfaces 321Note that the VOLCNT parameter counts the number of ranges you specify in the RVOLLIST parameter. In Example

322 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 24-31 ICKDSF example to start a Global Mirror session//* -------------

Chapter 24. Global Mirror interfaces 323Figure 24-15 ICKDSF - query session information and CG failure reportFigure 24-15 shows an ICKDSF query com

324 IBM System Storage DS6000 Series: Copy Services with IBM System z 400 : INVALID PARAMETER FYY : FORMAT 0X0F ERROR, WHERE YY IS THE REASON

Chapter 24. Global Mirror interfaces 325Example 24-33 Stop Global Mirror session with ICKDSF//* ---------------------------------------------------

Chapter 2. Copy Services architecture 112.2 How the new structure of Copy Services worksWith the exception of System z commands (see “System z commu

326 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 24-35 Remove session from LSS with ICKDSF//* -------------------------

Chapter 24. Global Mirror interfaces 32724.5.14 Delete Global Copy pairsExample 24-37 shows how to delete the Global Copy volume pairs.Example 24-37

328 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 RQUERYThere are several action parameters to determine what output information

Chapter 24. Global Mirror interfaces 32924.7.1 View Global Mirror volumes in sessionFrom the panel in Figure 24-16 on page 328, we select the View s

330 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 24-18 suggests you choose meaningful nicknames for the volumeswhen you de

Chapter 24. Global Mirror interfaces 331Next you receive a confirmation panel as shown in Figure 24-20.Figure 24-20 Pause selected session number 1

332 IBM System Storage DS6000 Series: Copy Services with IBM System zWe now resume the session. We select the corresponding action parameter, Resume,

Chapter 24. Global Mirror interfaces 333We click OK and then receive the next panel; see Figure 24-24.Figure 24-24 Resume paused session number 1 t

334 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 335Chapter 25. Global Mirror performance and scalabilityThis chapter discusses performance considerat

12 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 The Network Interface Server software communicates with the Network Interface N

336 IBM System Storage DS6000 Series: Copy Services with IBM System z25.1 Performance aspects for Global MirrorGlobal Mirror is basically comprised

Chapter 25. Global Mirror performance and scalability 337There is potential impact on the Global Copy data replication operation, depending on whethe

338 IBM System Storage DS6000 Series: Copy Services with IBM System zThe following example addresses the impact of the coordination time when Consist

Chapter 25. Global Mirror performance and scalability 339Figure 25-3 on page 339 proposes spreading the B and C volumes over different ranks at the r

340 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 25-4 Remote storage disk subsystem with D volumesYou should still put t

© Copyright IBM Corp. 2006. All rights reserved. 341Chapter 26. Global Mirror examplesIn this chapter we provide examples that illustrate how to set u

342 IBM System Storage DS6000 Series: Copy Services with IBM System z26.1 Global Mirror examples - configurationIn order to illustrate the basic use

Chapter 26. Global Mirror examples 343򐂰 DVCSTAT򐂰 GMLSTAT򐂰 GMPSTATThe RQUERY command and its options have been explained in 24.3.8, “Query a Global Mi

344 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-3 RQUERY GMLSTAT output when not addressing an LSS with an active s

Chapter 26. Global Mirror examples 34526.2.5 Timing informationCreating consistency groups relies also on internal timing information. It is importa

Chapter 2. Copy Services architecture 13The DS GUI is accessed with a Web browser. The DS GUI cannot save tasks (unlike the ESS, which can), and you

346 IBM System Storage DS6000 Series: Copy Services with IBM System z4. Define the Global Mirror session and create a session ID between 1 and 255. Y

Chapter 26. Global Mirror examples 347Example 26-7 Define paths for Global Copy from A to B//* ---------------------------- TSO -------------------

348 IBM System Storage DS6000 Series: Copy Services with IBM System zYou may also consider defining paths in the reverse direction. After a site fail

Chapter 26. Global Mirror examples 349Example 26-10 Verify that the establish Global Copy succeeded************** PPRC REMOTE COPY CQUERY - VOLUME

350 IBM System Storage DS6000 Series: Copy Services with IBM System z MODE (ASYNC) ONLINTGT(YES) FCQUERY DEVN (X'3D00&

Chapter 26. Global Mirror examples 351 RSESSION SNBR(01) VOLSER(XX2D00)

352 IBM System Storage DS6000 Series: Copy Services with IBM System z26.3.6 Start Global Mirror sessionThe last step is to start the Global Mirror s

Chapter 26. Global Mirror examples 353Figure 26-2 Global Mirror configuration before unplanned primary failureThe production applications write to

354 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-16 Simulate primary site failure through CGROUP FREEZE//* ---------

Chapter 26. Global Mirror examples 355 MSSERIAL (27131) 26.4.3 Failover from B to A volumesOnce the primary volumes fail and the applica

14 IBM System Storage DS6000 Series: Copy Services with IBM System z

356 IBM System Storage DS6000 Series: Copy Services with IBM System z26.4.5 Create a data consistent set of B volumesThe next step is to create a se

Chapter 26. Global Mirror examples 357Example 26-20 Create optional second copy of data consistent D volumes//* ---------------------------- TSO --

358 IBM System Storage DS6000 Series: Copy Services with IBM System z26.4.8 Prepare to return to the local siteAt some time you will plan to return

Chapter 26. Global Mirror examples 359 MSGREQ(NO) CRIT(NO) + OPTION(XD) CAS

360 IBM System Storage DS6000 Series: Copy Services with IBM System z PRIM (X'2C00' 27131 X'00' X'0C') +

Chapter 26. Global Mirror examples 361 ACTION(STOP) + LSSTYPE(CKD) LSSNBR(0C)

362 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-27 Query Global Mirror volumes after removalRQUERY SNBR(01) VOL

Chapter 26. Global Mirror examples 363Example 26-29 Remove FlashCopy relationships//* ------------------ TSO ----------------- CLEANUP (4) --------

364 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-31 Delete Global Copy volume pairs//* ------------------ TSO ------

Chapter 26. Global Mirror examples 365* PRIMARY... 5005076303FFC228 5.0.03.0097 ** SECONDARY.1 5005076303FFC422

© Copyright IBM Corp. 2006. All rights reserved. 15Part 2 InterfacesIn this part we discuss the interfaces available to manage the Copy Services featu

366 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-35 Remove the paths//* ------------------ TSO ----------------- CLE

Chapter 26. Global Mirror examples 367Figure 26-6 summarizes the scenario. The numbers indicate the sequence of events and main considerations, and a

368 IBM System Storage DS6000 Series: Copy Services with IBM System zFor ICKDSF command details, refer to Device Support Facility User’s Guide and Re

Chapter 26. Global Mirror examples 369Example 26-37 Remove volumes from a Global Mirror session with ICKDSF//* ------------------------------------

370 IBM System Storage DS6000 Series: Copy Services with IBM System zNote the different positional parameters for SRCVOL and TGTVOL. It is possible t

Chapter 26. Global Mirror examples 371 PPRCOPY DDNAME(DD03) DELPAIR - LSS(X'00' X'00&ap

372 IBM System Storage DS6000 Series: Copy Services with IBM System z ADDITIONAL DEVICE INFORMATION = 4800243D

Chapter 26. Global Mirror examples 37326.9 Set up a Global Mirror environment using DS SMYou may establish a Global Mirror environment with the DS S

374 IBM System Storage DS6000 Series: Copy Services with IBM System z26.9.1 Create pathsWhen using the DS Storage Manager to create paths between tw

Chapter 26. Global Mirror examples 375The creation wizard then displays the “Select target LSS” panel; see Figure 26-10. Here you select from the pul

© Copyright International Business Machines Corporation 2005, 2006. All rights reserved.Note to U.S. Government Users Restricted Rights -- Use, dupli

16 IBM System Storage DS6000 Series: Copy Services with IBM System z

376 IBM System Storage DS6000 Series: Copy Services with IBM System zThen the creation wizard displays the Select target I/Os ports panel; see Figure

Chapter 26. Global Mirror examples 377This brings you to the Verification panel; see Figure 26-14. Here you can check all the components of your path

378 IBM System Storage DS6000 Series: Copy Services with IBM System zThen the creation wizard displays the Volume Pairing Method panel; see Figure 26

Chapter 26. Global Mirror examples 379In the “Select source volumes” panel (see Figure 26-17), select from the pull-down lists the Storage complex, t

380 IBM System Storage DS6000 Series: Copy Services with IBM System zSelect from the pull-down lists the Storage complex, then the Storage unit, then

Chapter 26. Global Mirror examples 381Figure 26-20 Global Copy creation step 4 - select the copy optionsClick Next to proceed with the last step of

382 IBM System Storage DS6000 Series: Copy Services with IBM System zTo launch this wizard, you need to first go to the FlashCopy panel under the Cop

Chapter 26. Global Mirror examples 383use. Select with the check boxes the source volumes you plan to use for FlashCopy within the Global Mirror sess

384 IBM System Storage DS6000 Series: Copy Services with IBM System zWhen the creation wizard displays the “Select target volumes” panel (see Figure

Chapter 26. Global Mirror examples 385Figure 26-27 FlashCopy creation step 5 - verification26.9.4 Create a Global Mirror sessionTo define a Global

© Copyright IBM Corp. 2006. All rights reserved. 17Chapter 3. DS Storage ManagerThis chapter is an introduction to the IBM System Storage DS™ Storage

386 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 26-29 Global Mirror session creation step 1 - select volumes

Chapter 26. Global Mirror examples 387Click Next to proceed with the second step of this wizard. The creation wizard then displays the “Define proper

388 IBM System Storage DS6000 Series: Copy Services with IBM System zWhen Global Mirror cannot complete replicating all outstanding data within this

Chapter 26. Global Mirror examples 389Figure 26-32 Global Mirror - visualize the session status26.10 Set up a Global Mirror environment using the

390 IBM System Storage DS6000 Series: Copy Services with IBM System z26.10.1 DS CLI profile filesTo simplify DS CLI commands, we use configuration f

Chapter 26. Global Mirror examples 391Example 26-46 Sample DS CLI configuration file DS-02.profilehmc1: xxx.yyy.zzz.yyyusername: adminpassword: pas

392 IBM System Storage DS6000 Series: Copy Services with IBM System zTo define a path, use the following command: dscli mkpprcpath -remotewwnn <WW

Chapter 26. Global Mirror examples 393Once you identify your Global Copy pairs, use the following DS CLI command to create the pairs:dscli mkpprc -ty

394 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-52 shows the command that creates two FlashCopy relationships.Example

Chapter 26. Global Mirror examples 395򐂰 drain - Specifies the maximum Consistency Group drain time in seconds, and is the maximum amount of time that

18 IBM System Storage DS6000 Series: Copy Services with IBM System z3.1 System and hardware requirementsThe DS Storage Manager is a Web-based graphi

396 IBM System Storage DS6000 Series: Copy Services with IBM System zIf we query the volumes 6500 and 6501, that are in the storage disk subsystem at

Chapter 26. Global Mirror examples 397Example 26-58 lssession command (volumes not in session)dscli lssession 65 -cfg $DSCLI/profile/DS-01.profileD

398 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-61 showgmir of running session with Master and Subordinatedscli sho

Chapter 26. Global Mirror examples 399Current Time 06/15/2005 11:37:46 EDTCG Time 06/15/2005 11:36:01 EDTSuccessful

400 IBM System Storage DS6000 Series: Copy Services with IBM System zdscli resumegmir -lss <Master LSS ID> -cginterval <Number of seconds>

Chapter 26. Global Mirror examples 40126.12 Site switch basic operations using the DS CLIIn this section we show examples of how to do the steps to

402 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-69 failback - erasing data on site 1 with data from site 2dscli fai

Chapter 26. Global Mirror examples 403To query the newly created FlashCopy relationships use the command lsflash as described in 26.11.3, “Query Flas

404 IBM System Storage DS6000 Series: Copy Services with IBM System z4. If some FlashCopy pairs are revertible and at least one is not revertible, bu

Chapter 26. Global Mirror examples 405The Global Mirror environment cleanup process can be structured in five consecutive steps:1. End Global Mirror

Chapter 3. DS Storage Manager 19You can choose to install DS Storage Manager on the Windows operating system with either of the graphical mode or the

406 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 26-75 rmsessiondscli rmsession -quiet -lss 65 01 -cfg $DSCLI/profile/D

Chapter 26. Global Mirror examples 407dscli>rmpprcpath -dev storage_image_ID -remotedev storage_image_ID -remotewwnn wwnn source_LSS_ID:target_LSS

408 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 409Part 7 InteroperabilityIn this part we discuss the interoperability of the DS6000 Copy Services fu

410 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 411Chapter 27. Combining Copy Service functionsIn this chapter we discuss the interoperability of Glo

412 IBM System Storage DS6000 Series: Copy Services with IBM System z27.1 Data migrationCombining the Copy Service functions Metro Mirror and Global

Chapter 27. Combining Copy Service functions 413consistent with the secondary. The local during this process is still being updated and is changing.

414 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 415Chapter 28. Interoperability between DS6000 and DS8000In this chapter we show the interoperability

20 IBM System Storage DS6000 Series: Copy Services with IBM System zClearly, you should change the IP address to match the one used by your SMC. If y

416 IBM System Storage DS6000 Series: Copy Services with IBM System z28.1 DS6000 and DS8000 Copy Services interoperabilityCopy Services operations a

Chapter 28. Interoperability between DS6000 and DS8000 417– In a mixed environment, one system is the source (local) and one is the target. If you wa

418 IBM System Storage DS6000 Series: Copy Services with IBM System zPutting the password in the profile is not very secure (because it is stored in

Chapter 28. Interoperability between DS6000 and DS8000 419Figure 28-1 Add DS6000 complex to DS80007. Enter the IP address of the DS6000 SMC into th

420 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 28-2 Add DS8000 complex to DS60006. Enter the IP address of the DS8000

Chapter 28. Interoperability between DS6000 and DS8000 421򐂰 Even when you have successfully added one complex to another, new user IDs created in one

422 IBM System Storage DS6000 Series: Copy Services with IBM System zFor DS8000, port IDs look like I0000 or I0123, which actually breaks out as IEEC

Chapter 28. Interoperability between DS6000 and DS8000 423Name ID Storage Unit Model WWNN State ESSNet================

424 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 28-7 Using DS CLI to establish PPRC pathsdscli> mkpprcpath -remoted

Chapter 28. Interoperability between DS6000 and DS8000 425The command breaks out as follows:Device that command is issued to:E200Primary LCU SSID: 60

Chapter 3. DS Storage Manager 213.4 Accessing the Information CenterThe Software Information Center provides product or application information and

426 IBM System Storage DS6000 Series: Copy Services with IBM System zIn Example 28-9 on page 425, we connected to the DS8000 HMC with the DS CLI, so

Chapter 28. Interoperability between DS6000 and DS8000 427Example 28-11 Establishing Global Mirror using DS CLIdscli> mkpprc -remotedev IBM.1750

428 IBM System Storage DS6000 Series: Copy Services with IBM System zthe DS8000 to volume 0601 on the DS6000. We then created a remote FlashCopy on t

Chapter 28. Interoperability between DS6000 and DS8000 429Performance mismatch (running applications) Suppose a disaster or failure occurs and applic

430 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 431Part 8 SolutionsIn this part we discuss solutions offered by IBM to assist you in the management,

432 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 433Chapter 29. Interoperability between DS6000 and ESS 800In this chapter we show the interoperabilit

434 IBM System Storage DS6000 Series: Copy Services with IBM System z29.1 DS6000 and ESS 800 Copy Services interoperabilityCopy Services operations

Chapter 29. Interoperability between DS6000 and ESS 800 435򐂰 If he ESS 800 is going to be purely a remote target for PPRC, and you do not plan to use

22 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 3-3 FlashCopy help Main page3.5 Managing the Storage Complex When you i

436 IBM System Storage DS6000 Series: Copy Services with IBM System z# Username is a user created on the ESS Specialist that matches the userid on th

Chapter 29. Interoperability between DS6000 and ESS 800 437Figure 29-1 Add 2105 Copy Services Domain6. Enter the IP address of the ESS Copy Service

438 IBM System Storage DS6000 Series: Copy Services with IBM System zif you use these volumes in a PPRC relationship, their partner volumes should al

Chapter 29. Interoperability between DS6000 and ESS 800 439Example 29-4 Using ESS CLI to list CKD volumesC:\Program Files\ibm\ESScli>esscli -u c

440 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 29-3 ESS 800 I/O ports decoded29.3.2 Creating paths with the DS GUIIn

Chapter 29. Interoperability between DS6000 and ESS 800 441Figure 29-5 Select source LSS7. To specify the target LSS, select the Storage Complex fo

442 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 29-7 Select source I/O ports9. In the next panel (see Figure 29-8), you

Chapter 29. Interoperability between DS6000 and ESS 800 443Figure 29-9 Path panelPaths in the reverse directionThe previous example showed how to c

444 IBM System Storage DS6000 Series: Copy Services with IBM System zDetermining DS6000 WWNN with DS CLIIn Example 29-5, we show how to display the W

Chapter 29. Interoperability between DS6000 and ESS 800 445Listing the available ports using DS CLIHaving determined WWNN of the remote devices, we c

Chapter 3. DS Storage Manager 23SMC. There is Ethernet connectivity between the sites. Because each SMC manages only the DS6000 at its own site, this

446 IBM System Storage DS6000 Series: Copy Services with IBM System z=========================================================06 05 Success 2105 I0

Chapter 29. Interoperability between DS6000 and ESS 800 447Metro Mirror pairs. Volumes 0600 and 0601 from the DS6000 are the source volumes, and the

448 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 29-13 Select source volume8. In the next panel, select the Storage Comp

Chapter 29. Interoperability between DS6000 and ESS 800 449Figure 29-15 Second Metro Mirror target volume10.IIn the next panel, you can specify var

450 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 29-17 Managing Metro Mirror pairs29.4.2 Managing Metro Mirror pairs wi

Chapter 29. Interoperability between DS6000 and ESS 800 45129.4.3 Creating Metro Mirror pairs with TSOIn Example 29-12, we used the same paths that

452 IBM System Storage DS6000 Series: Copy Services with IBM System zdevice. Then, we created session 20 for LSS 05. Finally, we created a Global Mir

Chapter 29. Interoperability between DS6000 and ESS 800 45329.6.1 Creating an ESS 800 FlashCopy with the DS GUIThe steps to create an ESS 800 FlashC

454 IBM System Storage DS6000 Series: Copy Services with IBM System z12.The verification panel opens. Review your selections and click Finish.29.6.2

Chapter 29. Interoperability between DS6000 and ESS 800 455Note: Commands that work with remote FlashCopies use the -dev parameter to define the mach

24 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 3-6 Successful addition of a Storage Complex8. Having added one DS6000 S

456 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 457Chapter 30. IIBM TotalStorage Rapid Data RecoveryIBM TotalStorage Rapid Data Recovery is a service

458 IBM System Storage DS6000 Series: Copy Services with IBM System z30.1 IntroductioneRCMF is a scalable and flexible solution that protects busine

Chapter 30. IIBM TotalStorage Rapid Data Recovery 459solution. However, in a real disaster (fire, explosion, or earthquake) you can never expect the

460 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 30-2 Sample Rolling DisasterSo, the issue is that the disk subsystem ca

Chapter 30. IIBM TotalStorage Rapid Data Recovery 461Figure 30-3 Dependent write protection of database integrityFreeze is a command available thro

462 IBM System Storage DS6000 Series: Copy Services with IBM System zThe goal of the TotalStorage Rapid Data Recovery for UNIX and Windows solution,

Chapter 30. IIBM TotalStorage Rapid Data Recovery 463second PCM in the form of logs from the Master Process. These logs are then used to update state

464 IBM System Storage DS6000 Series: Copy Services with IBM System zThe Master Process continuously monitors and manages the entire environment at t

Chapter 30. IIBM TotalStorage Rapid Data Recovery 465򐂰 Global Mirror– Storage Server periodically forms Consistency Groups. Testing has shown that gi

© Copyright IBM Corp. 2006. All rights reserved. 25Chapter 4. DS Command-Line InterfaceThis chapter provides an introduction to the DS Command-Line In

466 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 467Chapter 31. IBM TotalStorage Productivity Center for ReplicationThe IBM TotalStorage Productivity

468 IBM System Storage DS6000 Series: Copy Services with IBM System z31.1 IBM TotalStorage Productivity CenterThe IBM TotalStorage Productivity Cent

Chapter 31. IBM TotalStorage Productivity Center for Replication 46931.2 Where we are coming fromSince the advent of copy services functions with IB

470 IBM System Storage DS6000 Series: Copy Services with IBM System zNote that TPC for Replication does not support Global Copy.Figure 31-2 is a scre

Chapter 31. IBM TotalStorage Productivity Center for Replication 47131.4.2 Metro MirrorMetro Mirror (MM) is a synchronous data replication mechanism

472 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-3 Failover/Failback terminology2. Once the outage is over and you de

Chapter 31. IBM TotalStorage Productivity Center for Replication 47331.5 TPC for Replication terminologyTPC for Replication manages and integrates n

474 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-5 TPC for Replication - Global Mirror Copy Sets31.5.2 TPC for Repli

Chapter 31. IBM TotalStorage Productivity Center for Replication 475Figure 31-6 TPC for Replication - Session conceptMetro Mirror primary volume P1

© Copyright IBM Corp. 2006. All rights reserved. iiiContentsNotices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

26 IBM System Storage DS6000 Series: Copy Services with IBM System z4.1 Introduction and functionalityThe IBM System Storage DS Command-Line Interfa

476 IBM System Storage DS6000 Series: Copy Services with IBM System z31.6 TPC for Replication session typesThere are two TPC for Replication edition

Chapter 31. IBM TotalStorage Productivity Center for Replication 47731.7 TPC for Replication session statesAgain, a session contains a group of Copy

478 IBM System Storage DS6000 Series: Copy Services with IBM System zTerminology is slightly different from what you may be used to. For example, Met

Chapter 31. IBM TotalStorage Productivity Center for Replication 47931.9 TPC for Replication and scalabilityFrom an architecture point of view there

480 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-8 shows how the TPC for Replication server connects to the storage ser

Chapter 31. IBM TotalStorage Productivity Center for Replication 481Figure 31-9 Replication Manager server connectivity to DS6000 and DS8000The act

482 IBM System Storage DS6000 Series: Copy Services with IBM System zYou may configure these new ports either through the GUI or the DSCLI. The GUI p

Chapter 31. IBM TotalStorage Productivity Center for Replication 483Primary DNS 9.64.163.21Secondary DNS 9.64.162.21State OnlineServer

484 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-10 TPC for Replication server freezeThe TPC for Replication server l

Chapter 31. IBM TotalStorage Productivity Center for Replication 485Figure 31-11 LSS heartbeat triggers freeze when connectivity to server failsFig

Chapter 4. DS Command-Line Interface 27The DS CLI is supplied and installed via a CD that ships with the machine. The installation does not require a

486 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-12 Windows 2003 software level򐂰 SUSE Linux Enterprise Server 9 SP2No

Chapter 31. IBM TotalStorage Productivity Center for Replication 487You may refer to the following Web site for the latest information on hardware re

488 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-14 TPC for Replication GUIThe Web-based client that runs on the user

Chapter 31. IBM TotalStorage Productivity Center for Replication 489Figure 31-15 Launch the Replication Manager GUIYou specify a user ID as a text

490 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-16 Health Overview panelThis health panel displays an overall summar

Chapter 31. IBM TotalStorage Productivity Center for Replication 491Management ServersThis link leads you to the application that manages the RM serv

492 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-18 About to create Copy Set(s) to sessionsFigure 31-19 displays a ne

Chapter 31. IBM TotalStorage Productivity Center for Replication 493Figure 31-20 GUI basic layoutUsing the Add Subsystem button you can define anot

494 IBM System Storage DS6000 Series: Copy Services with IBM System zThe selected storage subsystem connectivity details are now displayed, as shown

Chapter 31. IBM TotalStorage Productivity Center for Replication 495Clicking the Manage Paths button triggers the path wizard to help you define a ne

28 IBM System Storage DS6000 Series: Copy Services with IBM System z4.4 DS CLI profileYou can create default settings for the DS CLI by defining one

496 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-25 Replication Management serversFigure 31-25 shows only one server

Chapter 31. IBM TotalStorage Productivity Center for Replication 497Figure 31-26 Advanced tools optionSpecific tasks in this context are tasks to c

498 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 31-27 Console logBesides the commands this log also shows whether the c

Chapter 31. IBM TotalStorage Productivity Center for Replication 499Example 31-5 Interactive CLI commands... start csmcli ...csmcli> lsdevice -d

500 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 501Chapter 32. GDPS overviewToday’s on demand data centers must be resilient enough to handle planned

502 IBM System Storage DS6000 Series: Copy Services with IBM System z32.1 GDPS solution offeringsGDPS is a family of offerings, for single site or m

Chapter 32. GDPS overview 503Figure 32-2 GDPS integrates many componentsThe GDPS family of System z Business Continuity solutions consists of two m

504 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 Near transparent D/R solution򐂰 Recovery Time Objective (RTO) less than an hour

Chapter 32. GDPS overview 505the Freeze function for GDPS/PPRC, FlashCopy automation, or the unplanned outage functions available through the other v

Chapter 4. DS Command-Line Interface 294.5 Command structureThis is a description of the components and structure of a Command-Line Interface comman

506 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 User-initiated status collection and exception monitoring򐂰 NetView application

Chapter 32. GDPS overview 507Figure 32-3 GDPS 3-site configuration with GDPS/PPRC and GDPS/XRCThe same primary volume for PPRC and XRC can be suppo

508 IBM System Storage DS6000 Series: Copy Services with IBM System zIGS specialists present a number of planned and unplanned GDPS reconfiguration s

© Copyright IBM Corp. 2006. All rights reserved. 509Appendix A. Concurrent CopyIn this appendix we describe the Concurrent Copy function on the DS6000

510 IBM System Storage DS6000 Series: Copy Services with IBM System zConcurrent CopyThis appendix describes the characteristics and operation of Conc

Appendix A. Concurrent Copy 511SessionA session is a logical concept that represents a single invocation of Concurrent Copy (a single DFSMSdss DUMP/C

512 IBM System Storage DS6000 Series: Copy Services with IBM System zConcurrent Copy, application processing is interrupted for only a minimum time w

Appendix A. Concurrent Copy 513With the target within the same logical subsystem or DS6000 as the source and FlashCopy installed, DFSMSdss will start

514 IBM System Storage DS6000 Series: Copy Services with IBM System z򐂰 Concurrent Copy throughputYour workload flow and your hardware configuration d

Appendix A. Concurrent Copy 515Concurrent Copy coexistence with z/OS Global MirrorThe DS6000 is not supported as a source for z/OS Global Mirror, and

30 IBM System Storage DS6000 Series: Copy Services with IBM System zTable 4-3 Creation commandsTable 4-4 Deletion commandsTable 4-5 Options com

516 IBM System Storage DS6000 Series: Copy Services with IBM System zDFSMSdss: Dump and copy examplesExample A-3 shows a DFSMSdss full volume dump us

Appendix A. Concurrent Copy 517//SYSIN DD *

518 IBM System Storage DS6000 Series: Copy Services with IBM System zInstallation options exitUsage of the Concurrent Copy function can also be contr

© Copyright IBM Corp. 2006. All rights reserved. 519Appendix B. SNMP notificationsThis appendix describes SNMP traps that are sent out in a Remote Cop

520 IBM System Storage DS6000 Series: Copy Services with IBM System zSNMP overviewThe DS8000 sends out SNMP traps when a state change in a remote cop

Appendix B. SNMP notifications 5211: FIBRE 0003 XXXXXX 0003 XXXXXX OK2: FIBRE 0103 XXXXXX 0002 XXXXXX OKTable B-1 PPRC path reason codesReaso

522 IBM System Storage DS6000 Series: Copy Services with IBM System zRemote copy eventsIf you have configured Consistency Groups and a volume in this

Appendix B. SNMP notifications 523Trap 212, as shown in Example B-8, is sent when a Consistency Group cannot be created in a Global Mirror Copy relat

524 IBM System Storage DS6000 Series: Copy Services with IBM System zTrap 217, as shown in Example B-13, is sent if a Global Mirror Copy Environment

© Copyright IBM Corp. 2006. All rights reserved. 525Appendix C. LicensingIn this appendix we describe how the licensing functions for Copy Services fo

Chapter 4. DS Command-Line Interface 314.7 Using the DS CLI applicationYou have to log into the DS CLI application to use the command modes. There a

526 IBM System Storage DS6000 Series: Copy Services with IBM System zLicensesAll DS6000 Series machines must have an Operating Environment License or

Appendix C. Licensing 527It should be noted that the RMC License provides the functions of Metro Mirror, Global Copy, and Global Mirror, depending on

528 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 529Appendix D. CLI migrationThis appendix discusses the ways that you can migrate Copy Services tasks

530 IBM System Storage DS6000 Series: Copy Services with IBM System zMigrating ESS CLI to DS CLIWith the introduction of the IBM DS6000 Storage Unit,

Appendix D. CLI migration 531Figure D-1 ESS Copy Services GUI tasks panelHighlight the task and click the information panel. See Figure D-2.Figure

532 IBM System Storage DS6000 Series: Copy Services with IBM System zDS CLI commandsExample D-3 shows the translation to a DS CLI command.Example: D-

Appendix D. CLI migration 533Table D-2 ESS and DS CLI commands and parameters comparisonESS CLI DS CLI Commentslist server lsserver Like the 2105,

534 IBM System Storage DS6000 Series: Copy Services with IBM System zNote 1Volume space configuration is a primary difference between 2105 and 1750.

Appendix D. CLI migration 535For 2105, a Rank is either assigned to server 0 or server 1, depending on the Array Site location. A 2105 Rank is assign

32 IBM System Storage DS6000 Series: Copy Services with IBM System z4.7.2 Script command modeUse the DS CLI script command mode, if you want to use

536 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 537Related publicationsThe publications listed in this section are considered particularly suitable f

538 IBM System Storage DS6000 Series: Copy Services with IBM System zOnline resourcesThese Web sites are also relevant as further information sources

Related publications 539How to get IBM RedbooksYou can search for, view, or download Redbooks, Redpapers, Hints and Tips, draft publications and Add

540 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 541IndexNumerics1750 DS6000 112105 ESS 800 12Aactivating 65activating FlashCopymachine signatu

542 IBM System Storage DS6000 Series: Copy Services with IBM System zCSUSPEND 157, 228Ddata backup system 44data consistency 131, 136–137, 412C

Index 543logical subsystem 226ESS 800interoperability with DS8000 433establish Metro Mirror pairs 175establishing Metro Mirror paths 172esta

544 IBM System Storage DS6000 Series: Copy Services with IBM System zone time test system 122using a target volume to restore its contents back to

Index 545307PPRC paths for multiple primary storage servers 304PPRC paths through TSO commands 303PPRC paths with ICKDSF 314session 258sessi

Chapter 4. DS Command-Line Interface 332. Provide the information that is requested by the information prompts. The information prompts might not app

546 IBM System Storage DS6000 Series: Copy Services with IBM System zHhardware requirements 213IICKDSF 157, 196define PPRC paths 314delete Glob

Index 547channel connection address 152command overview 152Consistency Group 142CQUERY 155CRECOVER 156critical attribute 141critical mod

548 IBM System Storage DS6000 Series: Copy Services with IBM System zmultiple primary storage servers 304remove 406remove all with ICKDSF 327PP

Index 549suspended 203suspending PPRC pairsCSUSPEND command 228symmetrical configuration 146synchronous data replication 246Tterminate 511

550 IBM System Storage DS6000 Series: Copy Services with IBM System z

(1.0” spine)0.875”<->1.498”460 <-> 788 pagesIBM System Storage DS6000 Series: Copy Services with IBM System zIBM System Storage DS6000 Ser

IBM System Storage DS6000 Series: Copy Services with IBM System zIBM System Storage DS6000 Series: Copy Services with IBM System z

®SG24-6782-02 ISBN 0738496588INTERNATIONAL TECHNICALSUPPORTORGANIZATIONBUILDING TECHNICAL INFORMATION BASED ON PRACTICAL EXPERIENCEIBM Redbooks are de

34 IBM System Storage DS6000 Series: Copy Services with IBM System z4.9 User assistance The DS CLI is designed to include several forms of user assi

Chapter 4. DS Command-Line Interface 354.10 Usage examplesIt is not the intent of this section to list every DS CLI command and its syntax. If you n

iv IBM System Storage DS6000 Series: Copy Services with IBM System z4.5 Command structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

36 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 37Chapter 5. System z interfacesThis chapter discusses the interfaces that are available with the Sys

38 IBM System Storage DS6000 Series: Copy Services with IBM System z5.1 System z interfacesIn addition to using the DS GUI or the DS CLI, several po

Chapter 5. System z interfaces 395.3 ICKDSFThe System z ICKDSF utility offers a means of control for Copy Services functions. ICKDSF is the only dir

40 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 41Part 3 FlashCopyThis part of the book describes the IBM System Storage FlashCopy for DS6000 when us

42 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 43Chapter 6. FlashCopy overviewFlashCopy creates a copy of a volume at a specific point-in-time, whic

44 IBM System Storage DS6000 Series: Copy Services with IBM System z6.1 Operational environmentsIt takes only a few seconds to establish the FlashCo

Chapter 6. FlashCopy overview 45򐂰 Integration system New application releases (for example, SAP® releases) are likely to be tested prior to putting t

Contents v9.2.1 Local FlashCopy management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 719.2.2 Remote FlashCopy

46 IBM System Storage DS6000 Series: Copy Services with IBM System zWhile the FlashCopy relationship is being created, the DS6000 holds off the I/O a

Chapter 6. FlashCopy overview 47򐂰 Reading from the sourceThe data is read immediately (see Figure 6-3 on page 46). 򐂰 Writing to the sourceWhenever da

48 IBM System Storage DS6000 Series: Copy Services with IBM System z6.3.1 Full volume copy When the copy option is invoked and the establish process

Chapter 6. FlashCopy overview 49occurred on the source or on the target will stay as they were at the time when the FlashCopy was established.If the

50 IBM System Storage DS6000 Series: Copy Services with IBM System z– If you create the FlashCopy first and then do a Metro Mirror of the FlashCopy t

Chapter 6. FlashCopy overview 51The Global Copy secondary will not be in a fully consistent state until the FlashCopy background copy process is comp

52 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 6-10 Source data set and target data set can reside in the same volumeFl

© Copyright IBM Corp. 2006. All rights reserved. 53Chapter 7. FlashCopy optionsThis chapter discusses the options of FlashCopy when working with IBM S

54 IBM System Storage DS6000 Series: Copy Services with IBM System z7.1 Multiple relationship FlashCopyIt is possible to establish up to 12 FlashCop

Chapter 7. FlashCopy options 55API support data set level FlashCopy, the VTOC and catalogs are not updated as they are with DFSMSdss.7.2 Consistency

vi IBM System Storage DS6000 Series: Copy Services with IBM System zChapter 13. Metro Mirror options and configuration . . . . . . . . . . . . . . .

56 IBM System Storage DS6000 Series: Copy Services with IBM System zFigure 7-2 FlashCopy target is Metro Mirror (or Global Copy) primaryIt is possi

Chapter 7. FlashCopy options 57򐂰 FlashCopy with copy optionIf the original FlashCopy was established with the copy option (full volume copy), then th

58 IBM System Storage DS6000 Series: Copy Services with IBM System zAll three bitmaps are necessary for incremental FlashCopy:򐂰 Target bitmap - This

Chapter 7. FlashCopy options 597.5 Remote FlashCopyThere are command interfaces (see Figure 7-8 on page 61) which are able to manage a FlashCopy rel

60 IBM System Storage DS6000 Series: Copy Services with IBM System z7.8 Reverse restore With this option the FlashCopy relationship can be reversed

Chapter 7. FlashCopy options 61Figure 7-8 FlashCopy options and interfacesNote that there are some options that cannot be invoked with some of the

62 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 63Chapter 8. FlashCopy ordering and activationThis chapter explains how to order and activate FlashCo

64 IBM System Storage DS6000 Series: Copy Services with IBM System z8.1 Ordering FlashCopyFlashCopy is an optional licensed function of the IBM Syst

Chapter 8. FlashCopy ordering and activation 658.2 Activating FlashCopyIBM System Storage DS6000 licensed functions are managed using the Disk Stora

Contents vii14.6 DS Storage Manager GUI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17214.6.1 Defin

66 IBM System Storage DS6000 Series: Copy Services with IBM System zExample 8-1 FlashCopy exampleA DS6000 has a total physical capacity of 15 TB an

Chapter 8. FlashCopy ordering and activation 67You can also reactivate a deactivated licensed function by changing the license value to a non-zero va

68 IBM System Storage DS6000 Series: Copy Services with IBM System z

© Copyright IBM Corp. 2006. All rights reserved. 69Chapter 9. FlashCopy interfacesThe setup of FlashCopy in a System z environment can be done using d

70 IBM System Storage DS6000 Series: Copy Services with IBM System z9.1 FlashCopy interfaces - overviewThere are various interfaces that can be used

Chapter 9. FlashCopy interfaces 719.2 DS CLI and DS SM - commands and optionsThis section summarizes the commands and select options you can use whe

72 IBM System Storage DS6000 Series: Copy Services with IBM System z9.2.2 Remote FlashCopy managementThe commands that can be used when working with

Chapter 9. FlashCopy interfaces 739.4 Local FlashCopy using the DS CLIThe DS CLI can be downloaded from the IBM Web site and then installed on a wor

74 IBM System Storage DS6000 Series: Copy Services with IBM System zThis section discusses the parameters that can be passed to FlashCopy when using

Chapter 9. FlashCopy interfaces 75Allows you to issue the reverseflash command before the background copy finished.򐂰 cp: restrict command to FlashCop