Expanding a RAID 5 array in Mac Pro

Discussion in 'Mac Pro' started by Micah McDowell, Aug 21, 2012.

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  1. Micah McDowell, Aug 21, 2012

    Micah McDowell macrumors newbie

    Joined:
    May 26, 2010
    #1
    I've got a Mac Pro with one 1TB boot drive and three 2TB drives in a RAID 5; Apple RAID card installed. I'm moving the boot drive to the second optical bay and adding a fourth identical 2TB drive to the RAID array.

    In OS X 10.6.8, is there a way to expand the array with the added drive without erasing data, or do I need to delete the set and start over? Thanks...
     
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  2. jav6454, Aug 21, 2012

    jav6454 macrumors P6

    jav6454

    Joined:
    Nov 14, 2007
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    #2
    I think you need to restart. This is due to parity and actual data per drive.
     
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