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how to replace 1 errored raid0 disk

Discussion in 'Hardware' started by JB77, Dec 27, 2010.

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  1. JB77

    JB77 Thread Starter

    Jan 16, 2005
    got two HD's running in raid 0, one keeps coming up with error messages but PC still starts up although slower and with error. Before it crashes want to replace the faulty one. Can I do that without disrupting or losing the original setup.

    - have now 25% used of both disks (2x 500gb)
    - tried to identify disk to move data from the faulty one but can only see one volume

    System original set up is on one of the hd's and can get it to rebuild to original version (hoping its not on the faulty one)
    appreciate your help!
  2. DoubleHelix

    DoubleHelix Banned

    Dec 9, 2004
    A RAID 0 configuration is designed for performance with data being written across all drives. However, the risk of data loss doubles since the array relies on the simultaneous functioning of both drives. You can't "rebuild" a RAID 0 array with a failed drive. You'll need to recover from backup. And I would suggest not using RAID 0 again.
  3. crjdriver

    crjdriver Moderator

    Jan 2, 2001
    I agree; raid is NOT for the home user. In addition onboard raid [which is what just about all home users have] is less than useless. If you really really must have raid, then buy a real raid controller ie promise or highpoint.

    To answer your question, you need to make an image backup of the current array using acronis true image. Store the image on an external drive, NAS, network share, etc. Next restart and enter the raid [not system] bios. Break the raid array. Now pull the failed drive out and replace it with a new one. Pw ON and again enter the raid bios, create a new array. Reboot with your acronis true image boot disk; restore the image. Done.
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