3Ware 9550SXU-16ML User Guide - Page 229
Ah Drive error detected, 00Bh Rebuild started, 00Ch Initialize started, 00Dh Unit deleted
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AEN Messages 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. 00Ah Drive error detected 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. 00Bh 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), may be auto-initiated by a hot spare failover, or may be started after drive removal or insertion (due to the Auto-Rebuild policy). In any of these cases, the user is notified of the event by this AEN. 00Ch Initialize started The 3ware RAID controller notifies the user by this AEN whenever it starts an initialization. Initialization either occurs at array creation time for larger RAID 5 or 50 arrays or later during the initial verification of redundant arrays. 00Dh Unit deleted The unit was deleted. 00Eh Initialize failed The 3ware RAID controller was unable to complete the initialization. This error can be caused by unrecoverable drive errors. When this error occurs, the unit will go back to degraded mode if possible. 00Fh SMART threshold exceeded The 3ware RAID controller supports SMART Monitoring, whereby the individual drives automatically monitor certain parametric information such as error rates and retry counts. By monitoring this data, SMART may be able to predict a drive failure before it happens, allowing a user to schedule service of the array before it becomes degraded. The SMART status of each drive www.3ware.com 219