Hi,
pointing you to your own thread [1] ;-)
[1]
https://lists.ceph.io/hyperkitty/list/ceph-users@xxxxxxx/thread/HFILR5NMUCEZH7TJSGSACPI4P23XTULI/
Zitat von Frank Schilder <frans@xxxxxx>:
Hi all,
I have this warning the whole day already (octopus latest cluster):
HEALTH_WARN 4 clients failing to respond to capability release; 1
pgs not deep-scrubbed in time
[WRN] MDS_CLIENT_LATE_RELEASE: 4 clients failing to respond to
capability release
mds.ceph-24(mds.1): Client sn352.hpc.ait.dtu.dk:con-fs2-hpc
failing to respond to capability release client_id: 145698301
mds.ceph-24(mds.1): Client sn463.hpc.ait.dtu.dk:con-fs2-hpc
failing to respond to capability release client_id: 189511877
mds.ceph-24(mds.1): Client sn350.hpc.ait.dtu.dk:con-fs2-hpc
failing to respond to capability release client_id: 189511887
mds.ceph-24(mds.1): Client sn403.hpc.ait.dtu.dk:con-fs2-hpc
failing to respond to capability release client_id: 231250695
If I look at the session info from mds.1 for these clients I see this:
# ceph tell mds.1 session ls | jq -c '[.[] | {id: .id, h:
.client_metadata.hostname, addr: .inst, fs: .client_metadata.root,
caps: .num_caps, req: .request_load_avg}]|sort_by(.caps)|.[]' | grep
-e 145698301 -e 189511877 -e 189511887 -e 231250695
{"id":189511887,"h":"sn350.hpc.ait.dtu.dk","addr":"client.189511887
v1:192.168.57.221:0/4262844211","fs":"/hpc/groups","caps":2,"req":0}
{"id":231250695,"h":"sn403.hpc.ait.dtu.dk","addr":"client.231250695
v1:192.168.58.18:0/1334540218","fs":"/hpc/groups","caps":3,"req":0}
{"id":189511877,"h":"sn463.hpc.ait.dtu.dk","addr":"client.189511877
v1:192.168.58.78:0/3535879569","fs":"/hpc/groups","caps":4,"req":0}
{"id":145698301,"h":"sn352.hpc.ait.dtu.dk","addr":"client.145698301
v1:192.168.57.223:0/2146607320","fs":"/hpc/groups","caps":7,"req":0}
We have mds_min_caps_per_client=4096, so it looks like the limit is
well satisfied. Also, the file system is pretty idle at the moment.
Why and what exactly is the MDS complaining about here?
Thanks and best regards.
=================
Frank Schilder
AIT Risø Campus
Bygning 109, rum S14
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