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10. RAID1
10.5.3 Performing Periodical Drive Replacement
● Wear cotton gloves when replacing a drive in order to prevent failure caused by
static electricity. If you do not, the data stored on the drive may get corrupted.
● Make sure you check the correct procedure before you start the work. If you do
not follow the correct procedure, the data stored on the drive may be lost.
● Do not use a used drive, regardless of the model, as a replacement drive.
Failure to heed this instruction might result in the equipment not operating
normally or data in the drive being lost due to inconsistent configuration
information.
● Do not replace the two drives at the same time. If you do, the data gets
corrupted.
● When you replace a drive, make sure that you set the drive into the offline
mode in the Hardware status window, and then remove that drive and mount
the replacement drive. If you mount or remove a drive when the hardware
status cannot be checked, for example, immediately after the OS starts, a
failure may result.
A drive is a replacement component that must be replaced periodically. (For information about
the recommended replacement cycle, see "APPENDIX HANDLING REPLACEABLE
COMPONENTS ".)
Follow the procedure below for periodic replacement.
NOTE: The following is the procedure for replacing the drive mounted in drive bay 1. When
you replace the drive mounted in drive bay 2, interpret drive bay 1 as drive bay 2 and the
HDD1／SSD1 status lamp as the HDD2／SSD2 status lamp when following the
procedure.
(1) If you replace the drive while the power to the equipment is turn off
1. Back up the data.
2. Shut down the OS. Unplug the plug of the power cord from the outlet, and wait for at least
one minute. Then replace the drive mounted in drive bay 1 with a replacement drive. (See
"6.3.6 Installing and removing an HDD／SSD".)
3. Turn on the power to the equipment. Then the RAID controller automatically detects that
the replacement drive is mounted and starts the rebuild process. Confirm that the HDD1／
SSD1 status lamp is flashing.
4. The OS starts while the rebuild process is continuing. The time it takes to rebuild depends
on the application being run during the rebuild. If you do not want to start the OS, use the
software RAID utility to perform rebuilding.
5. When the HDD1／SSD1 status lamp turns off, the rebuild process is complete. Also, in the
Hardware status window, confirm that both drives are healthy.
NOTICE
10-20
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