System information

Using the RAID GUI
2-34
3. Click Apply. The task will start according to the specified time.
To cancel disk scrubbing, do the following:
1. Select the task(s) and click Stop to abort the disk scrubbing. A confirmation prompt displays. Click Confirm to cancel
the scrubbing task.
2.7.10 Regenerating the parity
This feature is less complicated than scrubbing. This command regenerates the parity of a logical disk or all logical disks
on disk groups without parity checking. Follow the steps below to create a regenerating parity task.
1. Select Maintenance Utilities > Regenerate Parity from the main menu.
2. Click Reg-parity and specify the following options for a parity regeneration task.
3. Click Apply. The task will start according to the specified time.
To stop parity regeneration, do the following:
1. Select the task(s) and click Stop. A confirmation prompt displays. Click Confirm to stop the parity regeneration task.
2.7.11 Performing disk self test
This feature instructs the hard disks to start or stop short or extended disk self test (DST). The test performs a quick scan
for bad sectors. To execute this function, make sure the SMART warning has been turned on. (See 2.8.1 Hard disks on
page 2-38)
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.
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.
Note
1. The hard disk must not be a member disk of a disk group.
2. The disk group and logical disk(s) for scrubbing must be in the optimal state.
3. The scrubbing task will be aborted if the disk group enters degraded mode, starts rebuilding
disk, or starts disk cloning.
4. If the disk group of the source disk contains faulty disks, scrubbing is aborted until the disk
group completely rebuilds its disks.
DG ID/LD ID Select a DG ID and an LD ID or All LDs from the drop-down menu for parity
regeneration.
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.
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.