Troubleshooting RAID operation err
ors
Troubleshooting
• Only one drive at one time may be connected to or disconnected from the NAS.
• After connecting or disconnecting a hard disk, wait for about ten seconds or longer until
two beeps are heard. The next hard disk can then be connected/disconnected.
When connecting or removing a hard disk, p lease adhere strictly to the above-mentioned
rules to avoid causing a system o peration fault or loss of data.
The drive rebuild will start when a new hard disk (e.g. HDD 1) is connected. If the drive con figuration
fails again due to a read/write error from the hard disk during the rebuild process, then check
which hard disk caused the error and then follow the steps below to rectify the problem.
Circumstance
Procedure
The error is caused by the newly plugged in
drive.
If the last drive to be connected (e.g. HDD 1)
caused the rebuild error, then disconnect HDD 1
and connect another new drive to start RAI D
rebuilding.
The error w as caused by an existing drive (e.g.
HDD 2 ) in the RAID configuration.
If the RAID configuration is RAID 1, then carry
out one of the following steps:
► Back up the data on the drive to another
storage device. Once this is done, repeat
theinstallationandsetupoftheNAS.
► Format the last drive to be connected (e.g.
HDD 1) as a single drive. Next, back up the
data on the NAS to this drive (HDD 1) us ing
Web F ile M anager. Rem ove the faulty drive
(e.g. HDD 2). Install a new drive in the NAS
to repla ce the faulty drive. Finally, run the
RAID 1 migration.
Fujitsu 79
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