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help failing raid!

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    robotben
    Participant

    Hello,

    My raid is failing.

    I have two Xserve Raids ( 14 disks, 7 per raid controller ).
    Each group of 7 is hardware raid5.

    The two resulting raid5 dists (2.7 TB ) in each are software striped using disk utility.

    Those 5.5 TB striped disks are then mirrored also using disk utility.

    The Xserve has OS X server 10.4.11

    The raid mirror is now degraded, and one of the disks is missing. Completely gone.

    everything is green in raid admin, and I don’t have a reason to suspect hardware failure.

    The raids are hooked up via fiber channel cards.

    How can I get the disk to reinitialize or reappear?
    How can I repair the mirror once it shows up again.

    thanks in advance.

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