On Wed, 2 Apr 2014, Craig Lewis wrote: > Is there any way to cancel a scrub on a PG? > > > I have an OSD that's recovering, and there's a single PG left waiting: > 2014-04-02 13:15:39.868994 mon.0 [INF] pgmap v5322756: 2592 pgs: 2589 > active+clean, 1 active+recovery_wait, 2 active+clean+scrubbing+deep; 15066 GB > data, 30527 GB used, 29061 GB / 59588 GB avail; 1/36666878 objects degraded > (0.000%) > > The PG that is in recovery_wait is on the same OSD that is being deep > scrubbed.? I don't have journals on SSD, so recovery and scrubbing are heavily > throttled.? I want to cancel the scrub so the recovery can complete.? I'll > manually restart the deep scrub when it's done. > > Normally I'd just wait, but this OSD is flapping.? It keeps getting kicked out > of the cluster for being unresponsive.? I'm hoping that if I cancel the scrub, > it will allow the recovery to complete and the OSD will stop flapping. You can 'ceph osd set noscrub' to prevent a new scrub from starting. Next time it flaps the scrub won't restart. The only want to cancel an inprogress scrub is to force a peering event, usually by manually marking the osd down (ceph osd down N). sage
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