[ceph-users] CephFS: No space left on device

Mykola Dvornik mykola.dvornik at gmail.com
Sun Oct 2 03:09:40 PDT 2016


After upgrading to 10.2.3 we frequently see messages like

'rm: cannot remove '...': No space left on device

The folders we are trying to delete contain approx. 50K files 193 KB each.

The cluster state and storage available are both OK:

    cluster 98d72518-6619-4b5c-b148-9a781ef13bcb
     health HEALTH_WARN
            mds0: Client XXX.XXX.XXX.XXX failing to respond to cache
pressure
            mds0: Client XXX.XXX.XXX.XXX failing to respond to cache
pressure
            mds0: Client XXX.XXX.XXX.XXX failing to respond to cache
pressure
            mds0: Client XXX.XXX.XXX.XXX failing to respond to cache
pressure
            mds0: Client XXX.XXX.XXX.XXX failing to respond to cache
pressure
     monmap e1: 1 mons at {000-s-ragnarok=XXX.XXX.XXX.XXX:6789/0}
            election epoch 11, quorum 0 000-s-ragnarok
      fsmap e62643: 1/1/1 up {0=000-s-ragnarok=up:active}
     osdmap e20203: 16 osds: 16 up, 16 in
            flags sortbitwise
      pgmap v15284654: 1088 pgs, 2 pools, 11263 GB data, 40801 kobjects
            23048 GB used, 6745 GB / 29793 GB avail
                1085 active+clean
                   2 active+clean+scrubbing
                   1 active+clean+scrubbing+deep


Has anybody experienced this issue so far?

Regards,
-- 
 Mykola
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