Hi Bjørn-Helge, Thanks for that.
On Wed, Dec 08, 2021 at 09:03:36AM +0100, Bj?rn-Helge Mevik wrote: > Sean McGrath <smcg...@tchpc.tcd.ie> writes: > > > I'm seeing something similar. > > > > slurmdbd version is 21.08.4 > > > > All the slurmd's & slurmctld's are version 20.11.8 > > > > This is what is in the slurmdbd.log > > > > [2021-12-07T17:16:50.001] error: unpack_header: protocol_version 8704 not > > supported > > I believe 8704 corresponds to 19.05.x, which is no longer accepted in > 21.08.x. > > > Can anyone advise how to identify the clients that are generating those > > errors please? > > I don't think slurmd connects directly to slurmdbd, so perhaps it is > some frontend node or machine outside the cluster itself which has the > slurm commands installed and is doing requests to slurmdbd (sacct, > sacctmgr, etc.)? Yes, I think it is it, I haven't been able to track it down and will just have to live with the messages in the logs. > > With SlurmdbdDebug set to debug or higher, new client connections will > be logged with > > [2021-12-08T09:00:07.992] debug: REQUEST_PERSIST_INIT: CLUSTER:saga > VERSION:9472 UID:51568 IP:10.2.3.185 CONN:8 > > in slurmdbd.log. But perhaps that will not happen if slurmdbd fails to > unpack the header? Unfortunately it doesn't as it can't unpack the headers so I don't get a more informative error. Thanks for your help all the same. Sean > > -- > Regards, > Bjørn-Helge Mevik, dr. scient, > Department for Research Computing, University of Oslo > -- Sean McGrath M.Sc Systems Administrator Trinity Centre for High Performance and Research Computing Trinity College Dublin sean.mcgr...@tchpc.tcd.ie https://www.tcd.ie/ https://www.tchpc.tcd.ie/ +353 (0) 1 896 3725
