3Ware 9550SXU-16ML User Guide - Page 227
AEN Error Message Details, 001h Controller reset occurred, 002h Degraded unit, 004h Rebuild failed
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AEN Messages Table 10: AEN Error Message Summary Value 059h 05Ah 05Bh 05Ch 05Dh 05Eh 05Fh Message Battery capacity is below error level Battery is present Battery is not present Battery is weak Battery health check failed Cache synchronization completed Cache synchronization failed; some data lost AEN Error Message Details 001h Controller reset occurred The 3ware RAID controller has detected a soft reset from the device driver. If the 3ware RAID controller fails to respond to the device driver within a reasonable amount of time, the device driver may issue a soft reset to the 3ware RAID controller and retry the command packet. 002h Degraded unit An error has been encountered and the array is operating in degraded (nonredundant) mode. The user should replace the bad drive as soon as possible and initiate a rebuild. Removing a drive from a redundant unit will cause this AEN immediately. 003h Controller error occurred The 3ware RAID controller has encountered an internal error. Please contact AMCC Customer Support as a replacement board may be required. 004h Rebuild failed The 3ware RAID controller was unable to complete a rebuild operation. This error can be caused by drive errors on either the source or the destination of the rebuild. However, due to ATA drives' ability to reallocate sectors on write errors, the rebuild failure is most likely caused by the source drive of the rebuild detecting some sort of read error. The default operation of the 3ware RAID controller is to abort a rebuild if an error is encountered. If it is desired to continue on error, you can set the Continue on Source Error During Rebuild policy for the unit on the Controller Settings page in 3DM. www.3ware.com 217