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Move a RAID 1 Volume to Larger Hard Drive

Last Reviewed: 29-Jun-2016
Article ID: 000005837

Use the following steps to move a RAID 1 volume to larger hard drives. The procedure will not require reinstallation of the operating system and will not compromise the current information on the RAID 1 volume.

  1. Turn off the system and remove one of the hard drives.
  2. Replace it with one of the large hard drives.
  3. Turn on the system and boot into Windows*.
  4. Open the Intel® Rapid Storage Technology user interface (Start > All Programs > Intel > Intel® Rapid Storage Technology).
  5. Click Rebuild to another disk.
  6. Select the newly added hard drive and click Rebuild.
  7. Allow the rebuild to complete.
  8. Restart the system and enter the Intel® Rapid Storage Technology option ROM by pressing Ctrl and i when prompted.
  9. Click Reset Disks to Non-RAID.
    Note You may see a dialog box warning you of data loss. This warning does not apply to RAID 1; you will still be able to access your data.

  10. Click Yes to confirm.
  11. Click Exit and shut off the system.
  12. Remove the original (smaller) hard drive from the system. This will leave only the new (larger) hard drive, acting as a single hard drive (it is no longer part of a RAID volume).
  13. Turn on the system and boot into Windows. You may need to change the hard drive priority in order to boot.
  14. From within Windows, use the Windows computer management tools or a third party partitioning software in order to resize the hard drive partition so that it uses the entire capacity of the hard drive.
  15. Turn off the system and attach the second large hard drive.
  16. Turn on the system and boot into Windows.
  17. Open the Intel Rapid Storage Technology user interface and click the Create icon.
  18. Follow the prompts to create a new RAID 1 volume. Your data will then be migrated from the single large hard drive to the new RAID 1 volume.