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Maintenance
Checking HDD status (Maintenance)
The operations of the installed HDD can be checked
on the screen which appears when the maintenance
button on the SETTING screen is pressed.
The inserted HDD is easily damaged.
To keep the unit in optimal condition, we recommend
that you inspect it regularly and confirm the state of the
HDD in advance.
B
C
D
A
1 Select the HDD to check.
2 Press the Start Test button.
The display changes to [STOP].
The data on the entire HDD is read, and if it is taking
longer to access the data than the prescribed access
time, a warning message is displayed.
To stop the checking operation at any time, press the
STOP button. The check operation is stopped, and the
results of what has been checked so far are displayed.
• It takes about 2 hours to check 500 GB of data so
use the external DC power supply.
• Only HDD1 is accessed when the unit is used in the
RAID1 mode. To check both HDDs, set the RAID1
mode to the JBOD mode, and check each HDD in
turn.
A
Select
Select HDD on which to perform maintenance.
B
Maintenance status
● Max. Time
Display maximum access time (ms).
● Min. Time
Display minimum access time (ms).
● Averg. Time
Display average access time (ms).
● Speed
Display average access rate (MB/s).
● Error Count
Display average number of errors detected.
● HDD Status
Display HDD status.
If “WARNING” or “NG” is displayed, remove the
HDD immediately.
C
START TEST button
Start HDD status verification.
D
CLOSE button
Return to the main screen.