Quote:
Originally posted by oscer:
this way it will automatically Back up your Site on a identical drive and if one drive goes down it switches over to the good drive automatically
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This is a common mistake. A RAID system is not a backup, it's a mirror.
RAID is designed to protect against hardware failures and provide better performance but if there is a problem with the FAT (due to a bug or a virus or something else) it will effect the entire RAID array since Drive B will be a mirror of a bad Drive A.
RAID or no RAID, regualr back ups should be done.
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