Hi, On 05/16/2018 04:16 AM, Uwe Sauter wrote: > Hi folks, > > I'm currently chewing on an issue regarding "slow requests are blocked". I'd like to identify the OSD that is causing those events > once the cluster is back to HEALTH_OK (as I have no monitoring yet that would get this info in realtime). > > Collecting this information could help identify aging disks if you were able to accumulate and analyze which OSD had blocking > requests in the past and how often those events occur. > > My research so far let's me think that this information is only available as long as the requests are actually blocked. Is this > correct? I think this is what you're looking for: $> ceph daemon osd.X dump_historic_slow_ops which gives you recent slow operations, as opposed to $> ceph daemon osd.X dump_blocked_ops which returns current blocked operations. You can also add a filter to those commands. Mohamad _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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