HP 6400/8400, User Manual

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Failure effect Fault stimulus
Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, cannot umount disk, fsck failed, disk
corrupted, need mkfs disk.
Controller restart
Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, cannot umount disk, fsck failed, disk
corrupted, need mkfs disk.
Server path failure
Short term: Data transfer stops. Possible I/O errors.
Long term: Job hangs, replace cable, I/O continues. Without cable
replacement job must be aborted; disk seems error free.
Storage path failure
Windows Server 2003
Table 28 Windows Server 2003 failure scenarios
Failure effect Fault stimulus
OS runs a command called chkdsk when rebooting. Data lost, data
that finished copying survived.
Server failure (host power-cycled)
Write delay, server hangs until I/O is cancelled or cold reboot. Switch failure (SAN switch disabled)
Write delay, server hangs or reboots. One controller failed, other
controller and shelves critical, shelves offline. Volume not accessible.
Server cold reboot, data lost. Check disk when rebooting.
Controller failure
Controller momentarily in failed state, server keeps copying. All
data copied, no interruption. Event error warning error detected
during paging operation.
Controller restart
Write delay, volume inaccessible. Host hangs and restarts. Server path failure
Write delay, volume disappears, server still running. When cables
plugged back in, controller recovers, server finds volume, data loss.
Storage path failure
Sun Solaris
Table 29 Sun Solaris failure scenarios.
Failure effect Fault stimulus
Check disk when rebooting. Data loss, data that finished copying
survived.
Server failure (host power-cycled)
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages on console, no access to CDE.
System reboot causes loss of data on disk. Must newfs disk.
Switch failure (SAN switch disabled)
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages on console, no access to CDE.
System reboot causes loss of data on disk. Must newfs disk.
Controller failure
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