PS Now I stop this mds, active migrated and warning removed. Cannot try more. Dzianis Kahanovich пишет: > John Spray пишет: > >>> Looks happened both time at night - probably on long backup/write operations >>> (something like compressed local root backup to cephfs). Also all local mounts >>> inside cluster (fuse) moved to automout to reduce clients pressure. Still 5 >>> permanent kernel clients. >>> >>> Now I remount all but 1 kernel clients. Message persist. >> >> There's probably a reason you haven't already done this, but the next >> logical debug step would be to try unmounting that last kernel client >> (and mention what version it is) > > 4.5.0. This VM now finally was deadlocked in some places (may be there problem > from same roots) and hard restarted, now mounted again. Message persists. > > Just near week ago I remove some of additional mount options. Started from old > days (when VMs was on same servers with cluster) I mounts with > "wsize=131072,rsize=131072,write_congestion_kb=128,readdir_max_bytes=131072" > (and net.ipv4.tcp_notsent_lowat = 131072) to conserve RAM. Obtaining good > servers for VMs I remove it. May be better turn it back for better congestion > quantum. > -- WBR, Dzianis Kahanovich AKA Denis Kaganovich, http://mahatma.bspu.unibel.by/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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