RAID set question

Discussion in 'Mac Basics and Help' started by gecko91, May 9, 2010.

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  1. gecko91, May 9, 2010

    gecko91 macrumors member

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    Sep 24, 2009
    #1
    Hi! I have a 1TB disk. It is now almost full. I just got a new 1TB disk and I want to make a mirrored RAID set of the two. If I create a RAID set in Disk Utility, does that erase my first disk? Or does it just mirror everything to the second?
     
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  2. BlueRevolution, May 9, 2010

    BlueRevolution macrumors 603

    BlueRevolution

    Joined:
    Jul 26, 2004
    Location:
    Montreal, QC
    #2
    It erases the disk.
     
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  3. gecko91, May 9, 2010

    gecko91 thread starter macrumors member

    Joined:
    Sep 24, 2009
    #3
    Ok, thanks. Good to know. I guess it's just assumed common knowledge, because that doesn't show up in the Apple documentation.
     
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