Grass Valley Network Attached Storage System Serial ATA Network User Guide v.1.0.04 - Manual (Page 163)

Chapter 11 Field Replaceable Units (FRUs)
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4. Return to the Logical/Physical view window. Verify that the replacement
drive appears. It will appear as a free drive.
In some systems, the new drive will appear as failed, rather than as a
free drive. This is immaterial. Add it as a spare, as in Step 5.
5. Choose Storage | RAID System | Disk Drive | Add Spares . The Add Spares
window appears:
6. Select the new drive. Click Save .
7. Return to the Logical/Physical view window. Confirm that the drive appears
as a spare.
8. In the menu pane, choose Storage | RAID System | Logical Units |
Rebuild . The Rebuild Logical Unit window appears:
9. Select the logical unit you want to rebuild and click Save .