Recovering a hard disk drive

Use the information in this topic recover a hard disk drive that has failed.

Steps

  1. Right-click the My Computer icon on your desktop and select Manage.
  2. Select Disk Management. The hard drives are displayed in the right panel.
  3. If the failing disk drive is displayed, right-click the main volume of the drive and select Break Mirror.
    Note: The mirror might have already been broken.
  4. Shut down the master console and replace the failing disk drive using the procedures detailed in the xSeries® 305 service documentation. Ensure that the new drive has its jumpers set the same as the drive that is being replaced. The new drive must be the same capacity or larger than the drive being replaced.
    Note:
    1. It might not be obvious which of the two drives has failed. In this case, reboot with each drive connected in turn to isolate the failed drive.
    2. If the replacement drive has a boot record present, erase it prior to use.
    3. If the master console fails to boot because the Boot Record cannot be found, change the boot sequence in the BIOS to the other hard drive.
  5. Disconnect the fibre-channel cables from the master console, making note of where they were connected.
  6. Restart the master console.
  7. Right-click the My Computer icon on your desktop and select Manage.
  8. Select Disk Management. The hard drives are displayed in the right panel.
  9. If a disk drive is displayed in the list marked "Missing," remove it by right-clicking the drive and selecting Remove Disk.
  10. If the new disk drive has a "no entry sign" displayed on it, right-click it and select Write Signature to remove the "no entry sign."
  11. Right-click the new disk drive and select Upgrade to Dynamic Disk.
  12. Right-click the volume that you want to mirror and select Add Mirror. This step starts the Add Mirror Wizard.
  13. Use the dialog boxes displayed to configure the second volume.
  14. A dialogue box with reference to making changes to the boot.ini file is displayed. You can safely ignore this dialog box.
  15. The status of both volumes, the existing drive, and the new drive will change to "Regenerating" and will, after a short period of time, start to show the percentage of regeneration completed. When the regeneration completes, the status changes to "Healthy."
  16. Reconnect the fibre-channel cables to the master console.

Parent topic: Resolution procedures

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