[PVE-User] lots of 'heartbeat_check: no reply from ...' in the logs

mj lists at merit.unu.edu
Thu Feb 7 20:15:52 CET 2019


We are getting continuous lines like in our logs, between osd.19 and 
osd.18, both are on the same host pm2:

> 2019-02-07T19:59:24.724447+01:00 pm2 ceph-osd 3093 - - 2019-02-07 19:59:24.723800 7f902e9f0700 -1 osd.19 15136 heartbeat_check: no reply from osd.18 ever on either front or back, first ping sent 2019-02-07 07:58:32.526903 (cutoff 2019-02-07 19:59:04.723796)

I can ping the ip address from host pm2, plus also nc 
confirms that the post is listening:

> root at pm2:~# nc -vz 6807
> nc: ( 6807 [6807] open

We had some trouble this morning, doing too many things at the same 
time, causing slow requests, etc, but the system recovered, and has been 
up and running the whole day, no issues anymore. However, this is when 
these messages started appearing.

Some info on our system, consisting of three identical nodes:

> root at pm2:~# ceph -v
> ceph version 12.2.10 (fc2b1783e3727b66315cc667af9d663d30fe7ed4) luminous (stable)
> root at pm2:~# ceph health detail
> root at pm2:~# ceph -s
>   cluster:
>     id:     1397f1dc-7d94-43ea-ab1xxxxxxxc1
>     health: HEALTH_OK
>   services:
>     mon: 3 daemons, quorum 0,1,2
>     mgr: pm1(active), standbys: pm3, pm2
>     osd: 24 osds: 24 up, 24 in
>   data:
>     pools:   2 pools, 1088 pgs
>     objects: 4.50M objects, 17.1TiB
>     usage:   51.5TiB used, 35.8TiB / 87.3TiB avail
>     pgs:     1085 active+clean
>              2    active+clean+scrubbing
>              1    active+clean+scrubbing+deep
>   io:
>     client:   18.3MiB/s rd, 39.8MiB/s wr, 87op/s rd, 539op/s wr

What can I do to get rid of these messages..? They sound serious. More 
info required, just let me know...!

Thanks very much in advance,


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