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RAID Fail Test - more

When making a major change to the disk that will result in data loss, such as deleting a share or changing RAID configuration, Buffalo first gives you a warning. Then a second screen is presented with a four digit number. You have to type in the four digit number and click "Apply" before the action that will wipe out data can proceed. After confirming the number, the RAID rebuild process began and another email was sent indicating the start of the rebuild.

Confirmation screen
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Figure 14: Confirmation screen

Subsequent logins to the home page of the Pro Duo indicated that the RAID was in the process of being rebuilt. During this entire time, the Pro Duo was online, and its shares were available. And, while the array was being repaired, the error status LED flashed yellow. Clicking on the information link ("Repairing RAID Array 1") on the home page takes you to the Disk Management page where you can see the status of the rebuild. The status shown, "Rearing" is probably a typo in the UI and should say "Repairing".


Disk Management page showing status of Array rebuild
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Figure 15: Disk Management page showing status of Array rebuild

When the array repair was completed, the Pro Duo sent a final email notification, the error status LED ceased blinking and the Pro Duo resumed standard, non-degraded operation. Total time to rebuild the array with 9 GB of data was 2 hours 48 minutes.

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