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Preventive Maintenance; Creating A Backup Hdd - Hitachi HF-BX1000 Instruction Manual

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8. RAID1

8.5 Preventive Maintenance

8.5.1 Creating a backup HDD

 Wear cotton gloves when replacing an HDD in order to prevent failure caused
by static electricity. If you do not, the data stored on the HDD 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 HDD may be lost.
RAID1 is more reliable compared to a system with a conventional configuration.
Nevertheless, the data stored on the HDDs may be lost due to human error or other reasons.
If you create a backup HDD, you can recover from such data loss. (Note that you can only
restore to the point of backup.) We recommend that you prepare a new HDD as a backup
and make a backup copy in the HDD. Create a backup HDD following the procedure below.
Note: The following procedure is the one for the HDD mounted in drive bay 1. To create a
backup HDD from the HDD mounted in drive bay 2, read drive bay 1 and the HDD1
status lamp as drive bay 2 and the HDD2 status lamp respectively.
[1] Shut down the OS. Unplug the power cable from the outlet, and wait for at least one
minute. Then replace the HDD mounted in drive bay 1 with a brand-new HDD. (See
"5.3.5 Installing and removing an HDD".)
Make sure you record the drive bay number of the removed HDD.
[2] Store the removed HDD in a safety place as a backup HDD.
[3] Turn on the power to the equipment. Then the RAID board automatically detects that a
brand-new HDD is mounted and starts the rebuild process. Confirm that the HDD2 status
lamp is flashing.
[4] The OS starts while the rebuild process is continuing. The time required for the rebuild
process depends on what applications are executed during this period. Therefore,
minimize the number of running applications during the rebuild process. If you do not
want to start the OS, while the messages for system initialization are displayed (during the
BIOS memory check), press F2 to launch the BIOS setup menu.
[5] When the HDD1 status lamp turns off, the rebuild process is complete. Also in the
Hardware status window, confirm that both HDDs are healthy.
If the BIOS setup menu is started at step [4], open the upper menu "Exit", move the
cursor to "Save Changes and Exit", and press Enter. A message "Save configuration and
exit?" is displayed. Press Enter to restart the equipment.
NOTICE
8-10

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