HP Smart Array 6400 Series Controllers Support Guide, September 2007

Configuring for HP-UX 11i v1 Using Ignite-UX Offline.................................................................43
3 Configuring Smart Array 6400 Series Controllers...................................................45
Planning the RAID Configuration........................................................................................................45
The saconfig Configuration CLI...........................................................................................................45
Displaying the Smart Array 6400 Series Controller Configuration................................................49
Configuring a Logical Drive............................................................................................................49
Deleting a Logical Drive..................................................................................................................51
Clearing the Logical Drive Configuration.......................................................................................51
Adding a Spare Disk........................................................................................................................51
Deleting a Spare Disk......................................................................................................................51
Changing the Rebuild Priority of a Logical Drive...........................................................................52
Specifying the Percentage of Cache Used for Read Caching..........................................................52
Auto-Fail Missing Disks At Boot.....................................................................................................52
Creating Multiple Logical Drives in an Array................................................................................52
Performing RAID Level Migration..................................................................................................52
Performing Stripe Size Migration....................................................................................................53
Extending the Capacity of a Logical Drive......................................................................................53
Expanding the Capacity of an Array...............................................................................................53
Changing the Expand Priority.........................................................................................................53
4 Troubleshooting............................................................................................................55
HP Support Tools Manager..................................................................................................................55
Event Monitoring Service.....................................................................................................................55
ODE.......................................................................................................................................................55
The sautil Command.............................................................................................................................56
The sautil <device_file> command..................................................................................................58
Logical Drive State Definitions..................................................................................................62
Physical Disk State Definitions..................................................................................................63
The sautil <device_file> scan Command.........................................................................................63
The sautil <device_file> accept_media_xchg <logical_drive_number> Command........................63
The sautil <device_file> set_transfer_rate <rate> Command..........................................................64
The sautil <device_file> run_startup_script Command..................................................................64
A Controller Specifications.............................................................................................65
Smart Array 6400 Series Controller Specifications...............................................................................65
B Physical Disk Installation and Replacement...............................................................67
Overview...............................................................................................................................................67
Physical Disk Failure............................................................................................................................67
Recognizing Disk Failure.................................................................................................................67
Compromised Fault Tolerance..............................................................................................................70
Recovering from Fault Tolerance Failures.......................................................................................70
Automatic Data Recovery.....................................................................................................................70
Physical Disk Replacement Overview..................................................................................................71
Physical Disk Failure During Rebuild..................................................................................................71
Minimizing Fatal System Errors During Rebuild...........................................................................71
C Logical Drive Failure Probability................................................................................73
RAID Level and Probability of Drive Failure.......................................................................................73
4 Table of Contents