3Ware 9550SXU16MLB10 User Guide - Page 173

Aen 007h Aen_init_done, Aen 008h Aen_unclean_shutdown, Aen 009h Aen_aport_timeout

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AEN Messages AEN 007h AEN_INIT_DONE The 3ware RAID controller has completed the initialization sequence of RAID levels 1, 10, 5, or 50. For RAID 5, the data on the array is read and the resultant parity is written to the parity area on the array. For RAID 1 and 10, one half of the mirror is copied to the other half (mirrors are synchronized). AEN 008h AEN_UNCLEAN_SHUTDOWN The 3ware RAID controller has the ability to detect if the system has been shutdown via the standard shutdown mechanism of the operating system (clean shutdown). If the system loses power or is reset without going through the normal shutdown procedure, it is possible that the data on a redundant array may be out of synchronization. The unclean shutdown detection will detect this case and force the array to enter the rebuilding state. This has the effect of synchronizing the array back to a fully redundant state. To prevent unclean shutdowns, the user should always go through the normal shutdown procedure for the operating system in use and use an uninterruptible power supply (UPS) to prevent unclean shutdowns due to sudden power loss. AEN 009h AEN_APORT_TIMEOUT The 3ware RAID controller has a sophisticated recovery mechanism to handle various types of failures of a disk drive. One such possible failure of a disk drive is a failure of a command that is pending from the 3ware RAID controller to complete within a reasonable amount of time. If the 3ware RAID controller detects this condition, it notifies the user, prior to entering the recovery phase, by displaying this AEN. Possible causes of APORT time-outs include a bad or intermittent disk drive, power cable or interface cable. AEN 00Ah AEN_DRIVE_ERROR As part of the recovery mechanism of the 3ware RAID controller, various drive failures can be detected and, if possible, corrected. One such drive failure is when the drive indicates back to the 3ware RAID controller that it was unable to complete a command. If the drive returns an error to the 3ware RAID controller, the user is notified by this AEN. AEN 00Bh AEN_REBUILD_STARTED The 3ware RAID controller notifies the user whenever it starts a rebuild. The rebuild start may be user-initiated (by selecting the rebuild button in the 3DM Disk Management Utility) or it may be auto-initiated by a hot spare failover. In either case, the user is notified of the event by this AEN. www.3ware.com 167

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AEN Messages
www.3ware.com
167
AEN 007h AEN_INIT_DONE
The 3ware RAID controller has completed the initialization sequence of
RAID levels 1, 10, 5, or 50. For RAID 5, the data on the array is read and the
resultant parity is written to the parity area on the array. For RAID 1 and 10,
one half of the mirror is copied to the other half (mirrors are synchronized).
AEN 008h AEN_UNCLEAN_SHUTDOWN
The 3ware RAID controller has the ability to detect if the system has been
shutdown via the standard shutdown mechanism of the operating system
(clean shutdown). If the system loses power or is reset without going through
the normal shutdown procedure, it is possible that the data on a redundant
array may be out of synchronization. The unclean shutdown detection will
detect this case and force the array to enter the rebuilding state. This has the
effect of synchronizing the array back to a fully redundant state.
To prevent unclean shutdowns, the user should always go through the normal
shutdown procedure for the operating system in use and use an uninterruptible
power supply (UPS) to prevent unclean shutdowns due to sudden power loss.
AEN 009h AEN_APORT_TIMEOUT
The 3ware RAID controller has a sophisticated recovery mechanism to handle
various types of failures of a disk drive. One such possible failure of a disk
drive is a failure of a command that is pending from the 3ware RAID
controller to complete within a reasonable amount of time. If the 3ware RAID
controller detects this condition, it notifies the user, prior to entering the
recovery phase, by displaying this AEN.
Possible causes of APORT time-outs include a bad or intermittent disk drive,
power cable or interface cable.
AEN 00Ah AEN_DRIVE_ERROR
As part of the recovery mechanism of the 3ware RAID controller, various
drive failures can be detected and, if possible, corrected. One such drive
failure is when the drive indicates back to the 3ware RAID controller that it
was unable to complete a command. If the drive returns an error to the 3ware
RAID controller, the user is notified by this AEN.
AEN 00Bh AEN_REBUILD_STARTED
The 3ware RAID controller notifies the user whenever it starts a rebuild. The
rebuild start may be user-initiated (by selecting the rebuild button in the 3DM
Disk Management Utility) or it may be auto-initiated by a hot spare failover.
In either case, the user is notified of the event by this AEN.