Hi Thomas,
The man page for zpool has:
zpool scrub [-s] pool ...
Begins a scrub. The scrub examines all data in the
specified pools to verify that it checksums correctly.
For replicated (mirror or raidz) devices, ZFS automati-
cally repairs any damage discovered during the scrub.
The "zpool status" command reports the progress of the
scrub and summarizes the results of the scrub upon com-
pletion.
....
Because scrubbing and resilvering are I/O-intensive
operations, ZFS only allows one at a time. If a scrub is
already in progress, the "zpool scrub" command ter-
minates it and starts a new scrub. If a resilver is in
progress, ZFS does not allow a scrub to be started until
the resilver completes.
-s Stop scrubbing.
When run the status of the pool has:
scrub: scrub stopped with 0 errors on Mon Mar 5 09:51:52 2007
as opposed to:
scrub: scrub completed with 0 errors on Mon Mar 5 09:51:16 2007
Hope that helps,
pete
Thomas Werschlein wrote:
Dear all
Is there a way to stop a running scrub on a zfs pool? Same question applies to
a running resilver.
Both render our fileserver unusable due to massive CPU load so we'd like to
postpone them.
In the docs it says that resilvering and scrubbing survive a reboot, so I am
not even sure if a reboot would stop scrubbing or resilvering.
Any help greatly appreciated!
Cheers, Thomas
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