Concatenated Disk Set

Discussion in 'Mac Basics and Help' started by fartheststar, Aug 10, 2011.

  1. macrumors 6502a


    Dec 29, 2003
    I have three USB disks I want to arrange into a concatenated disk set. One is Western Digital 2TB and is 'always on'. The other two are LaCie and have on-off switches 1 TB each.

    When I power the two drives up (one at a time), the first one fails 50 percent of the time, regardless of which one is first. I can power it off again, power it on again and it's fine. They worked great (as single drives) until I tried this so I figure I'm doing something wrong.


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