Mac os – HP EVA P6000 Storage User Manual
Page 168
Failure effect
Fault stimulus
Short: I/O suspended, possible data loss.
Long: I/O halts with I/O errors, data loss. HBA driver must be reloaded
before failed drives can be recovered, fsck should be run on any failed
drives before remounting.
Server path failure
Short: I/O suspended, possible data loss.
Long: I/O halts with I/O errors, data loss. HBA driver must be reloaded
before failed drives can be recovered, fsck should be run on any failed
drives before remounting.
Storage path failure
Mac OS
Failure effect
Fault stimulus
OS reboots. Both HFS and StorNext replay journal on filesystem. Disk
auto mounted by OS.
Server failure (host power-cycled)
Short term: I/O suspended, possible data loss.
Long term: I/O halts with I/O errors.
Switch failure
Short term: I/O suspended, possible data loss.
Long term: I/O fails over to alternate storage controller if visible (by
zoning). Otherwise, I/O halts with I/O errors, data loss.
Controller failure
Can require a server reboot for full recovery.
Short term: I/O suspended, possible data loss.
Long term: I/O fails over to alternate storage controller if visible (by
zoning). Otherwise, I/O halts with I/O errors, data loss.
Controller restart
Can require a server reboot for full recovery.
Short term: I/O suspended, possible data loss.
Long term: I/O halts with I/O errors, data loss.
Server path failure
Can require a server reboot for full recovery.
Short term: I/O suspended, possible data loss.
Long term: I/O fails over to alternate storage controller if available.
Otherwise, I/O halts with I/O errors.
Storage path failure
Can require a server reboot for full recovery.
168 Single path implementation