Hp Smart Array P430 Controller Manuale Utente Pagina 27

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Drive procedures 27
2.
Restore data from backup. Writing data to the location of the unreadable sector often eliminates the
error.
3. Remove and reinsert the replacement drive. This action restarts the rebuild process.
If the rebuild process still terminates abnormally:
1. Delete and recreate the logical drive.
2. Restore data from backup.
Case 2: The replacement drive has failed.
Verify that the replacement drive is of the correct capacity and is a supported model. If these factors are not
the cause of the problem, use a different drive as the replacement.
Case 3: Another drive in the array has failed.
A drive that has recently failed can sometimes be made temporarily operational again by cycling the server
power.
1. Power down the server.
2. Remove the replacement physical drive (the one undergoing a rebuild), and reinstall the drive that it is
replacing.
3. Power up the server.
If the newly failed drive seems to be operational again:
1. Back up any unsaved data.
2. Remove the drive that was originally to be replaced, and reinsert the replacement physical drive. The
rebuild process automatically restarts.
3. When the rebuild process has finished, replace the newly failed drive.
However, if the newly failed drive has not recovered:
1. Remove the drive that was originally to be replaced, and reinsert the replacement physical drive.
2. Replace the newly failed drive.
3. Restore data from backup.
Upgrading drive capacity
You can increase the storage capacity on a system, even if there are no available drive bays, by swapping
drives one at a time for higher capacity drives. This method is viable as long as a fault-tolerance method is
running.
CAUTION: Because data rebuild time ranges from 200 to 520 GB/h, the system could be
unprotected against drive failure for an extended period during data recovery or a drive capacity
upgrade. When possible, perform rebuild operations only during periods of minimal system
activity.
To upgrade drive capacity:
1. Back up all data.
2. Replace any drive. The data on the new drive is re-created from redundant information on the remaining
drives.
CAUTION: Do not replace any other drive until data rebuild on this drive is complete.
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