On Mon, Sep 16, 2019 at 5:10 PM Thomas Schneider <74cmonty@xxxxxxxxx> wrote:
>
> Wonderbra.
>
> I found some relevant sessions on 2 of 3 monitor nodes.
> And I found some others:
> root@ld5505:~# ceph daemon mon.ld5505 sessions | grep 0x40106b84a842a42
> root@ld5505:~# ceph daemon mon.ld5505 sessions | grep -v luminous
> [
> "MonSession(client.32679861 v1:10.97.206.92:0/1183647891 is open
> allow *, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.32692978 v1:10.97.206.91:0/3689092992 is open
> allow *, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.11935413 v1:10.96.6.116:0/3187655474 is open
> allow r, features 0x27018eb84aa42a52 (jewel))",
> "MonSession(client.3941901 v1:10.76.179.23:0/2967896845 is open
> allow r, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.28313343 v1:10.76.177.108:0/1303617860 is open
> allow r, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.29311725 v1:10.97.206.94:0/224438037 is open
> allow *, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.4535833 v1:10.76.177.133:0/1269608815 is open
> allow r, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.3919902 v1:10.96.4.243:0/293623521 is open allow
> r, features 0x27018eb84aa42a52 (jewel))",
> "MonSession(client.35678944 v1:10.76.179.211:0/4218086982 is open
> allow r, features 0x27018eb84aa42a52 (jewel))",
> "MonSession(client.35751316 v1:10.76.179.30:0/1348696702 is open
> allow r, features 0x27018eb84aa42a52 (jewel))",
> "MonSession(client.28246527 v1:10.96.4.228:0/1495661381 is open
> allow r, features 0x27018fb86aa42ada (jewel))",
> "MonSession(client.3917843 v1:10.76.179.22:0/489863209 is open allow
> r, features 0x27018fb86aa42ada (jewel))",
> "MonSession(unknown.0 - is open allow r, features 0x27018eb84aa42a52
> (jewel))",
> ]
>
> Would it make sense to shutdown these clients, too?
>
> What confuses me is that the list includes clients that belong to the
> Ceph cluster, namely 10.97.206.0/24.
> All nodes of the Ceph cluster are identical in terms of OS, kernel, Ceph.
The above output seems consistent with your "ceph features" output: it
lists clients with features 0x27018eb84aa42a52 and 0x27018fb86aa42ada.
Like I said in my previous email, both of these support upmap.
If you temporarily shut them down, set-require-min-compat-client will
work without --yes-i-really-mean-it.
Thanks,
Ilya
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