IBM z/OS Manual de usuario descargar pdf (Pagina 50)

Cryptographic Support for Linux

Linux on zSeries running on standard z990, z900, and

z800 engines is capable of exploiting the hardware cryp-

tographic feature provided by the PCICA feature (PCI

Cryptographic Accelerator). This enables customers

implementing e-business applications on Linux on zSeries

to utilize this enhanced hardware security.

Linux Support

Environment

• z990, z900, z800 or S/390 single image

• zSeries or S/390 LPAR

• VM/ESA

or z/VM guest

Block devices

• VM minidisks

• ECKD

™

3380 or 3390 DASDs

• VM virtual disk in storage

Network devices

• Virtual CTC

• ESCON CTC

•

OSA-Express (Gigabit Ethernet, 1000BASE-T Ethernet,

Fast Ethernet, Token-Ring) up to 24 features/48 ports on

z990

• HiperSockets (up to 4,096 TCP/IP stacks on up to 16

HiperSockets on z990)

• 3172

• IUCV

• Character devices

• 3215 console

• Integrated console

Additional information is available at ibm.com/linux/ and at

ibm.com/zseries/linux/.

Maximum of 1024 CHPIDs; 3 I/O cages

(28 slots each) = 84 I/O slots.

Per System

Feature Minimum Maximum Maximum Increments/ Purchase

Features I/O Slots Connections channels/ Increm.

used by ports per

Features Feature

ESCON, 0

1024 16 4

16 port channels

channels

FICON 0

2, 5

120 2 1

Express

channels

channels feature

STI-2

0 4 N/A 2 outputs N/A

ICB-2 link 0

N/A 8 links

N/A 1 link

STI-3

0 8 N/A 2 outputs N/A

ICB-3 link 0

N/A 16 links

N/A 1 link

ICB-4 link 0

N/A

16 links

N/A

1 link

ISC-3 0

12 48 links

7, 9

4 links 1 link

OSA- 0 24

48 2 ports 1 feature

Express ports

PCICA

0 6

5, 11, 12

12 accelerator 2 accelerator 1 feature

cards cards

PCIXCC

5, 11

4 1 1 feature

coprocessors coprocessor

1) A minimum of one I/O feature (ESCON, FICON Express) or one Coupling

Link (ICB, ISC-3) is required.

2) Maximum of 48 ESCON features/720 active channels on Model A08.

Maximum of 48 FICON features/96 channels on A08.

3) Each ESCON feature has 16 channels of which 15 channels may be acti-

vated. One channel is always reserved as a spare.

4) ESCON channels are purchased in increments of four and are activated

via Licensed Internal Code, Conﬁ guration Control (LIC CC). Channels

are activated equally across all installed 16-port ESCON features for

high availability.

5) The maximum quantity of FICON Express, OSA-Express, PCICA, and

PCIXCC in combination cannot exceed 20 features per I/O cage and 60

features per server.

6) The STI distribution cards, which support ICB-2 and ICB-3, reside in the

I/O cage. Each STI distribution card occupies one I/O slot.

7) The maximum number of Coupling Links combined (ICs, ICB-2s, ICB-3s,

ICB-4s, and active ISC-3 links) cannot exceed 64 per server.

8) ICB-4s do not require connectivity to a card in the I/O cage. ICB-4s are

not included in the maximum feature count for I/O slots.

9) A maximum of 32 ISC-3s can be deﬁ ned in Compatibility ode (operating

at 1 Gbps, instead of 2 Gbps).

10) It is recommended that an initial order for ISC-3 include two links. When

two links are purchased, two ISC-3 features are shipped and activated

links are balanced across ISC-3 features for high availability.

11) The total number of PCICAs and PCIXCCs cannot exceed eight fea-

tures per server.

12) The total number of PCICAs cannot exceed two features per I/O cage.

13) PCIXCC feature increments are 0, 2, 3, or 4.

zSeries 990 Family Conﬁ guration Detail

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 87 88

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