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3ware® User Guide > Troubleshooting > Error and Notification Messages > Error and Notification Message List

0027 DCB checksum error detected
Event Type
Error
Cause
The drive’s Drive Configuration Block (DCB) has been corrupted.
The 3ware RAID controller stores certain configuration parameters on a reserved area of each disk drive called the Drive Configuration Block. As part of power-on initialization, the 3ware RAID controller performs a checksum of the DCB area to ensure consistency.
Action
If this error occurs, please contact 3ware technical support at http://www.3ware.com/support/index.asp for assistance.

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