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10. RAID1
(b) Replacing a drive with the equipment turned off
1. Back up the data.
(See "(2) Backing Up Files" in "4. HARD DISKS DRIVES (HDDs) ／SOLID STATE
DRIVES(SSDs)" in "PRECAUTIONS".)
2. Shut down the OS and unplug the power cord from the outlet. Wait for at least one
minute, and then replace the defective drive with a new one.
(See "6.3.6 Installing and removing an HDD／SSD".)
3. After the equipment is turned on and the OS starts running, mounting of the replacement
drive is automatically detected and rebuilding starts. Confirm that the HDD／SSD status
lamp of the replaced drive is blinking.
4. When the HDD／SSD status lamp turns off, the rebuild process is complete. In the
Hardware status window, confirm that both drives are healthy.
< NOTE >
If the RAID status is shown as [Optimal(Media Error)] after rebuilding has been
completed, we recommend that you back up data and then also replace the copy
source drive with a new one. (For the replacement procedure, see "6.3.6 Installing
and removing an HDD／SSD".)
After both HDDs have been replaced, set up the computer again and restore data
from the backup file. (For how to set up the computer again, see "10.2.2 Newly
setting up RAID1".)
Or, recover the computer by using the backup drive. (See "10.5.2 Recovery Using
Backup Drive".)
10-14
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