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Resilver Priority

  2 minute read.

Last Modified 2021-04-01 16:59 EDT

Resilvering is a process that copies data to a replacement disk and is best completed as quickly as possible. Increasing the priority of resilvers helps them finish faster. The Resilver Priority menu allows you to schedule when a resilver can become a higher priority for the system. This means scheduling resilvers when the additional I/O or CPU use does not affect normal usage.

Go to Tasks > Resilver Priority to configure the priority to a time that is most effective for your environment.

TasksResilverPriority

Resilver Priority

NameDescription
EnabledSet to run resilver tasks between the configured times.
BeginChoose the hour and minute when a resilver process can run at a higher priority.
EndChoose the hour and minute after which a resilver process must return to running at a lower priority. A resilver process running after this time will likely take much longer to complete due to running at a lower priority compared to other disk and CPU activities, such as replications, SMB transfers, NFS transfers, Rsync transfers, S.M.A.R.T. tests, pool scrubs, user activity, etc.
Days of the WeekSelect the days to run resilver tasks.
A resilver process running during the time-frame defined between “Begin Time” and “End Time” will likely work faster, as it is not being throttled to run at a lower priority. Keep in mind that it is advised to avoid putting the system under any intensive activity or heavy loads (replications, SMB transfers, NFS transfers, Rsync transfers, S.M.A.R.T. tests, pool scrubs, etc) during a resilver process.