User guide

Scheduling Background Tasks
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You can also set the rate at which background tasks are performed compared
to I/O tasks. For more information, see “Setting Background Task Rate” on
page 155.
Scheduled Task Duration
If a rebuild completes within a scheduling window, it will not start over at the
next scheduled time block, unless another rebuild is required.
If a rebuild does not complete in the scheduled time block, it will continue
where it left off at the next scheduled time block.
Similarly, if a verify operation does not complete in the scheduled time block,
it will continue where it left off at the next scheduled time block.
Viewing Current Task Schedules
You can see the current schedules for background tasks on the Scheduling
page.
To view the current task schedule
1 Choose
Management > Schedule from the menu bar.
The Scheduling page appears, showing the schedule for Rebuild Tasks.
(Migration and initialization tasks follow the Rebuild Task schedule.)
2 To view Verify Tasks or Self-test Tasks, select it from the drop-down list
at the top of the page.
Tip: If you want to change a task schedule window, you first remove the schedule
item and then add it back with the desired day, time, and duration.
Note: Setting up the scheduling window does not actually request background
tasks. It simply specifies when they can run. For more information about the
background tasks themselves, see “Background Tasks” on page 142.