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Intel® Matrix Storage Manager
Can I break a RAID 1 mirror without losing data?

Deleting a RAID 1 volume or resetting the hard drive members of a RAID 1 volume to non-RAID should not result in data loss on either of the hard drives - unless the RAID 1 volume is the second volume in a matrix RAID configuration.

If the RAID 1 volume is the only volume on the array or is the first volume in a matrix RAID configuration, after deleting the RAID 1 volume or resetting the hard drive members of the RAID 1 volume to non-RAID, the following should occur:

  • If the RAID 1 volume contained an operating system, you should be able to boot to either of the hard drives.
  • If the RAID 1 volume did not contain an operating system, you should be able to access your files on either of the hard drives from within Windows*.

Note: This is not true for any other RAID volume (i.e. RAID 0, RAID 5, or RAID 10), which is why the Intel® Matrix Storage Manager option ROM warns the user about data loss when Option 2: Delete RAID Volume is selected.

This applies to:
Intel® Matrix Storage Manager

Solution ID: CS-022836
Date Created: 23-May-2006
Last Modified: 16-Nov-2009
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