My Dell servers with Perc H700 Controller are automatically performing periodic Patrol Reads.
Is there a way to set schedule for these checks?
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There is no way to control Patrol Reads if it is set to run automatically. You will have to switch to manual and schedule checks. From OMSA CLI:
omreport storage controller to find controller Id.
Set Patrol Read Mode to Manual:
omconfig storage controller action=setpatrolreadmode controller=XX mode=manual where XX is correct controller Id
Command to schedule (to run Patrol Read):
omconfig storage controller action=startpatrolread controller=XX