User Manual

Using the RAID GUI
2-51
this function, make sure the SMART warning has been turned on. (See
2.8.1 Hard disks on page 2-57)
Follow the steps below to start a disk self test:
1. Select Maintenance Utilities > Disk Self Test from the main menu.
2. Select the hard disks you want to perform the disk self test and click
DST. Specify the following options.
3. Click Confirm to begin testing.
To stop the DST of a hard disk, select it and click Stop. A confirmation
prompt displays. Click Confirm to end the DST.
Schedule Immediately: The task will start immediately.
Once: The task will start on the specified date and
time.
Weekly: The task will start on the specified day and
time every week.
Monthly: The task will start on the specified date
and time every month.
Perform
extended disk
self test
Check this option to start an extended disk self
test. Without this option, the hard disks perform
short disk self test.
Note
1. Hard disks must support DST.
2. Hard disks must not be executing DST.
3. For ATA disks, the SMART must be turned on.
4. For ATA disks, if SMART is turned off during DST execution, DST
will be aborted.
5. During DST execution, accessing the hard disks may lead to
performance degradation.
6. For scheduling DST, the disk must be either unused, a global
spare, a local spare, or a JBOD.
7. (For redundant-controller system only) The DST may not continue
after failover and the following error messages may pop up (see
5.3 Redundant Controller on page 5-21 for more detailed
information on failover):
• The self-test was interrupted by the host with a hardware or
software reset.
• Self-test fail due to unknown error.
Users can simply re-launch the DST process when encountering
the above conditions. Please note that some disks may continue
the DST process without any problems.