Re: [quincy] Migrating ceph cluster to new network, bind OSDs to multple public_nework

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Hey Eugen,
I don't have those configs. The cluster is not maintained via cephadm /
orchestrator.
The ceph.conf does not have IPaddresses configured.
A grep in /var/lib/ceph show only binary matches on the mons

I've restarted the whole host, which also did not work.

Am Mo., 21. Aug. 2023 um 13:18 Uhr schrieb Eugen Block <eblock@xxxxxx>:

> Hi,
>
> there have been a couple of threads wrt network change, simply
> restarting OSDs is not sufficient. I still haven't had to do it
> myself, but did you 'ceph orch reconfig osd' after adding the second
> public network, then restart them? I'm not sure if the orchestrator
> works as expected here, last year there was a thread [1] with the same
> intention. Can you check the local ceph.conf file
> (/var/lib/ceph/<FSID>/<SERVICE>/config) of the OSDs (or start with
> one) if it contains both public networks? I (still) expect the
> orchestrator to update that config as well. Maybe it's worth a bug
> report? If there's more to it than just updating the monmap I would
> like to see that added to the docs since moving monitors to a
> different network is already documented [2].
>
> Regards,
> Eugen
>
> [1] https://www.spinics.net/lists/ceph-users/msg75162.html
> [2]
>
> https://docs.ceph.com/en/quincy/cephadm/services/mon/#moving-monitors-to-a-different-network
>
> Zitat von Boris Behrens <bb@xxxxxxxxx>:
>
> > Hi,
> > I need to migrate a storage cluster to a new network.
> >
> > I added the new network to the ceph config via:
> > ceph config set global public_network "old_network/64, new_network/64"
> > I've added a set of new mon daemons with IP addresses in the new network
> > and they are added to the quorum and seem to work as expected.
> >
> > But when I restart the OSD daemons, the do not bind to the new
> addresses. I
> > would have expected that the OSDs try to bind to all networks but they
> are
> > only bound to the old_network.
> >
> > The idea was to add the new set of network config to the current storage
> > hosts, bind everything to ip addresses in both networks, shift over
> > workload, and then remove the old network.
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>
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