
IBM Systems Group
AIX-AK FZK 2005
© 2005 IBM Corporation
Topics
What is supported
The Linux SCSI subsystem
Linux Kernel version 2.6
Multipathing scenarios
Tape specifics
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AIX AK April 2005
1
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Forschungszentrum Karlsruhe
1
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IBM Storage with Linux 2005
2
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What is supported
3
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The Linux SCSI subsystem
3
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Linux Kernel version 2.6
3
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Multipathing scenarios
3
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Tape specifics
3
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What Is Supported
4
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IBM Storage Support for Linux
5
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ESS: SLES8, SLES9, RH-EL 3
6
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DS4000: SLES8, SLES9, RH-EL 3
6
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LTO: SLES 8, SLES 9, RH-EL 3
7
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359x: SLES 8, SLES 9, RH-EL 3
7
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Advanced
7
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The Linux SCSI Subsystem
8
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Linux Device Addressing
9
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IBM Systems Group
10
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Linux Kernel Version 2.6
11
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Limited number of devices
13
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Gaps in LUN sequence
13
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Device re-ordering
13
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Other Problems and Pitfalls
14
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Large filesystems support
15
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Multipathing Scenarios
16
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Multipathing Concepts
17
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LUN Thrashing Scenario
19
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Multipathing with RDAC
22
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RDAC Shared Data Scenario
23
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Preferred Path
26
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Tape Specifics
35
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IBMtape driver
36
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IBMtapeUtil
37
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Use LTO Devices
38
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Native Library Management
39
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Medium Changer Failover
40
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Possible, but not recommended
41
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Use separate switch zone, too
41
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One driver for all HBAs!
41
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Questions & Discussion
42
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Subsystem Device Driver (SDD)
43
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DS4000 Resources
44
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LTO Resources
45
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Redbooks
46
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White Papers
47
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Legal Notices
48
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