RAID 1 question

  Mike D 09:15 17 Oct 2007
Locked

If I have 2 SATA drives in a RAID 1 array and one of the drives goes belly up 1) is it true that the other drive has all the same data and can carry on, and 2) what would I need to do to replace the duff drive?

Tahnks
Mike

  P1d 09:34 17 Oct 2007

From Wilkipedia; "Raid 1 without parity. Provides fault tolerance from disk errors and single disk failure. Increased read performance occurs when using a multi-threaded operating system that supports split seeks, very small performance reduction when writing. Array continues to operate so long as at least one drive is functioning."

If one drive goes belly up the data will still function. Once you replace the faulty drive check your raid software to ensure that the new drive catches up with the raid, depending on the size of the drives and amount of data it may take a little while.

Hope this helps.

  P1d 09:37 17 Oct 2007

Sorry the first bit seems to have been missing.....

RAID 1: mirrored set (minimum 2 disks) without parity..........

  Mike D 11:05 17 Oct 2007

Thanks P1d
Mike

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