Tuesday, January 8, 2013

Windows Server 2008 R2 Rebuild Mirror (Windows build-in software RAID 1)

<You must backup all the data before to rebuild mirror>

There are mirror volume (RAID 1) have been created by two physical disk (Disk 1 and Disk 2)

The Disk 2 volume is become missing and it is become “Foreign Disk” like the following:

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The solution is the following:

1. Full backup the disk 1 (The disk and volume is still healthy).

2. Select Disk 1, right click, “Remove Mirror ….”

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3. Select the “Missing” disk and Remove mirror.

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4. Click “Yes”

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5. Select the “Foreign Disk” and right click, then “Import Foreign Disk……”

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6. Press “OK”

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7. Press “OK”

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8. You will got a new volume like the following disk 2:

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9. Select disk 2 (which is you just import) and delete the volume.

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10. Press “Yes” (Check the selected volume very carefully, do not select the wrong volume, otherwise all data will be deleted)

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11. Select disk 2, right click and select “Convert to Dynamic Disk….”

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12. Press “OK”

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13. Select disk 1 and right click “Add Mirror….”

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14. Click “Add Mirror”

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15. The mirror have been start to rebuild now. (Remark: I also change the drive letter for identify only)

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