All, sorry for the slow response but thank you all for the quick and very
helpful replies !
As you can see below your various advice has fixed the problem - much
appreciated and noted for future reference.
Have a great week !
root@swarmctl:~# ceph mon enable-msgr2
root@swarmctl:~# ceph -s
cluster:
id: ******
health: HEALTH_OK
root@swarmctl:~# ceph mon dump
dumped monmap epoch 8
epoch 8
fsid 7273720d-04d7-480f-a77c-f0207ae35852
last_changed 2019-06-18 16:08:17.837379
created 2019-04-02 18:21:09.925941
min_mon_release 14 (nautilus)
0: [v2:172.30.0.144:3300/0,v1:172.30.0.144:6789/0] mon.node01.homeflow.co.uk
1: [v2:172.30.0.146:3300/0,v1:172.30.0.146:6789/0] mon.node03.homeflow.co.uk
2: [v2:172.30.0.147:3300/0,v1:172.30.0.147:6789/0] mon.node04.homeflow.co.uk
3: [v2:172.30.0.148:3300/0,v1:172.30.0.148:6789/0] mon.node05.homeflow.co.uk
4: [v2:172.30.0.145:3300/0,v1:172.30.0.145:6789/0] mon.node02.homeflow.co.uk
5: [v2:172.30.0.149:3300/0,v1:172.30.0.149:6789/0] mon.node06.homeflow.co.uk
6: [v2:172.30.0.150:3300/0,v1:172.30.0.150:6789/0] mon.node07.homeflow.co.uk
On Fri, 14 Jun 2019 at 23:24, <[email protected]> wrote:
> Bob;
>
> Have you verified that port 3300 is open for TCP on that host?
>
> The extra host firewall rules for v2 protocol caused me all kinds of grief
> when I was setting up my MONs.
>
> Thank you,
>
> Dominic L. Hilsbos, MBA
> Director – Information Technology
> Perform Air International Inc.
> [email protected]
> www.PerformAir.com
>
>
> From: ceph-users [mailto:[email protected]] On Behalf Of
> Paul Emmerich
> Sent: Friday, June 14, 2019 10:23 AM
> To: Brett Chancellor
> Cc: ceph-users
> Subject: Re: [ceph-users] Nautilus HEALTH_WARN for msgr2 protocol
>
>
>
> On Fri, Jun 14, 2019 at 6:23 PM Brett Chancellor <
> [email protected]> wrote:
> If you don't figure out how to enable it on your monitor, you can always
> disable it to squash the warnings
> ceph config set mon.node01 ms_bind_msgr2 false
>
> No, that just disables msgr2 on that mon.
>
> Use this option if you want to disable the warning
>
> mon_warn_on_msgr2_not_enabled false
>
>
> But that's probably not a good idea since there's clearly something wrong
> with that mon.
>
> Paul
>
>
> --
> Paul Emmerich
>
> Looking for help with your Ceph cluster? Contact us at https://croit.io
>
> croit GmbH
> Freseniusstr. 31h
> 81247 München
> www.croit.io
> Tel: +49 89 1896585 90
>
>
>
> On Fri, Jun 14, 2019 at 12:11 PM Bob Farrell <[email protected]> wrote:
> Hi. Firstly thanks to all involved in this great mailing list, I learn
> lots from it every day.
>
> We are running Ceph with a huge amount of success to store website
> themes/templates across a large collection of websites. We are very pleased
> with the solution in every way.
>
> The only issue we have, which we have had since day 1, is we always see
> HEALTH_WARN:
>
> health: HEALTH_WARN
> 1 monitors have not enabled msgr2
>
> And this is reflected in the monmap:
>
> monmaptool: monmap file /tmp/monmap
> epoch 7
> fsid 7273720d-04d7-480f-a77c-f0207ae35852
> last_changed 2019-04-02 17:21:56.935381
> created 2019-04-02 17:21:09.925941
> min_mon_release 14 (nautilus)
> 0: v1:172.30.0.144:6789/0 mon.node01.homeflow.co.uk
> 1: [v2:172.30.0.146:3300/0,v1:172.30.0.146:6789/0]
> mon.node03.homeflow.co.uk
> 2: [v2:172.30.0.147:3300/0,v1:172.30.0.147:6789/0]
> mon.node04.homeflow.co.uk
> 3: [v2:172.30.0.148:3300/0,v1:172.30.0.148:6789/0]
> mon.node05.homeflow.co.uk
> 4: [v2:172.30.0.145:3300/0,v1:172.30.0.145:6789/0]
> mon.node02.homeflow.co.uk
> 5: [v2:172.30.0.149:3300/0,v1:172.30.0.149:6789/0]
> mon.node06.homeflow.co.uk
> 6: [v2:172.30.0.150:3300/0,v1:172.30.0.150:6789/0]
> mon.node07.homeflow.co.uk
>
> I never figured out the correct syntax to set up the first monitor to use
> both 6789 and 3300. The other monitors that join the cluster set this
> config automatically but I couldn't work out how to apply it to the first
> monitor node.
>
> The cluster has been operating in production for at least a month now with
> no issues at all, so it would be nice to remove this warning as, at the
> moment, it's not really very useful as a monitoring metric.
>
> Could somebody advise me on the safest/most sensible way to update the
> monmap so that node01 listens on v2 and v1 ?
>
> Thanks for any help !
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