Tested with RAID 10 instead of RAID 5, success !
RAID 10 arrays tested: 6xWD200GB and 8xWD200GB both worked RAID 5 arrays tested: 6xWD200GB and 4xWD200GB both failed Note: 3ware lists the WD 200GB disk as "Under Test". (ie they have not yet given it a "Compatible" rating) details of tests and the procedure to detect the failure etc at http://www.freebsd.uwaterloo.ca/twiki/bin/view/Freebsd/BackupServerProblem I still have to try an officially approved drive. ---------------------------------------- This mail sent through www.mywaterloo.ca To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message