IBM ServeRAID-8 Series, Лучшие практики и информация по обслуживанию

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Contents
Chapter 1. ServeRAID-8 series best practices and maintenance information 1
Notices and statements in this document . . . . . . . . . . . . . . . . 1
Obtaining ServeRAID updates . . . . . . . . . . . . . . . . . . . . 1
Initializing previously used good hard disk drives . . . . . . . . . . . . . 2
Synchronizing logical drives after upgrading firmware from build 8263 or earlier
2
Upgrading to ServeRAID Manager 9.0 within Microsoft Windows . . . . . . . 3
Synchronization options when you create a new array and the impact on
performance . . . . . . . . . . . . . . . . . . . . . . . . . 3
Physical drive write-cache policies changed with firmware build 15407 and later 4
Defunct hard disk drives might return to normal operation after a system restart 5
The Automatic Failover feature and how it affects replaced drives. . . . . . . 6
Performance is degraded with multiple ongoing background tasks
. . . . . . 6
Replacing and rebuilding a drive in a PFA state . . . . . . . . . . . . . 7
PHY settings and AMSU updates
. . . . . . . . . . . . . . . . . . 9
Periodic ServeRAID maintenance updates and evaluation . . . . . . . . . 9
Zero-mode flash update overview . . . . . . . . . . . . . . . . . . 11
Zero-mode flash for ServeRAID-8i (optional controller) . . . . . . . . . . 11
Zero-mode flash for ServeRAID-8s (optional controller) . . . . . . . . . . 13
Zero-mode flash for ServeRAID-8k and ServeRAID-8k-l (BladeCenter Storage
Expansion Unit 3) . . . . . . . . . . . . . . . . . . . . . . . 14
Zero-mode flash for ServeRAID-8k and ServeRAID-8k-l (System x3650). . . . 16
Zero-mode flash for ServeRAID-8k and ServeRAID-8k-l (System x3550). . . . 18
Zero-mode flash for ServeRAID-8k and ServeRAID-8k-l (System x3500). . . . 20
The ServeRAID-8k and ServeRAID-8k-l RAID enabler modules have a very low
failure rate. . . . . . . . . . . . . . . . . . . . . . . . . . 23
Correct mounting of the ServeRAID-8k RAID enabler battery . . . . . . . . 24
Physical drives are online, but the logical drive is offline . . . . . . . . . . 24
Valid RAID 5EE state transitions after a disk fails . . . . . . . . . . . . 25
System hang issues with ServeRAID-8i on enterprise servers. . . . . . . . 26
After upgrading firmware, the server crashes every 8-10 days
. . . . . . . 26
Evaluating hard disk drive problems . . . . . . . . . . . . . . . . . 27
Logical drive states and descriptions . . . . . . . . . . . . . . . . . 30
Using the force online feature
. . . . . . . . . . . . . . . . . . . 33
Recover Data option . . . . . . . . . . . . . . . . . . . . . . 33
Force-online operation . . . . . . . . . . . . . . . . . . . . . 36
Displaying an Offline array
. . . . . . . . . . . . . . . . . . . 39
Invalid process . . . . . . . . . . . . . . . . . . . . . . . . 39
Displaying an Offline array in POST . . . . . . . . . . . . . . . . 40
Revived array operations . . . . . . . . . . . . . . . . . . . . 41
Offline array operations . . . . . . . . . . . . . . . . . . . . . 42
Chapter 2. Getting help and technical assistance . . . . . . . . . . . 43
Before you call . . . . . . . . . . . . . . . . . . . . . . . . . 43
Using the documentation . . . . . . . . . . . . . . . . . . . . . 43
Getting help and information from the World Wide Web . . . . . . . . . . 43
Software service and support
. . . . . . . . . . . . . . . . . . . 44
Hardware service and support . . . . . . . . . . . . . . . . . . . 44
IBM Taiwan product service . . . . . . . . . . . . . . . . . . . . 44
Appendix. Notices . . . . . . . . . . . . . . . . . . . . . . . 45
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Important notes. . . . . . . . . . . . . . . . . . . . . . . . . 46
Documentation format . . . . . . . . . . . . . . . . . . . . . . 47
© Copyright IBM Corp. 2008, 2011
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