Failure effect
Fault stimulus
Short term: I/O suspended, possible data loss.
Long term: I/O halts with I/O errors, data loss. Cannot reload
driver, need to reboot system, fsck should be run on any failed disks
before remounting.
Controller restart
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
IBM AIX
Table 33 IBM AIX 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 in errpt output. System reboot
causes loss of data on disk. Must crfs disk.
Switch failure (SAN switch disabled)
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages in errpt output. System reboot
causes loss of data on disk. Must crfs disk.
Controller failure
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages in errpt output. System reboot
causes loss of data on disk. Must crfs disk.
Controller restart
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages in errpt output. System reboot
causes loss of data on disk. Must crfs disk.
Server path failure
Short term: Data transfer stops. Possible I/O errors.
Long term: Repeated error messages in errpt output. System reboot
causes loss of data on disk. Must crfs disk.
Storage path failure
HP StorageWorks 6400/8400 Enterprise Virtual Array user guide
127
Summary of Contents for 6400/8400
Page 12: ...12 ...
Page 16: ...About this guide 16 ...
Page 60: ...EVA6400 8400 operation 60 ...
Page 66: ...Customer replaceable units 66 ...
Page 80: ...Error messages 80 ...