No, this is not supported. You must follow the upgrade order for
services. The reason is that many parts of RGW are implemented in the
OSD themselves, so you can't run a new RGW against an old OSD.
Paul
--
Paul Emmerich
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On Fri, Apr 3, 2020 at 4:15 PM Scheurer François
<francois.scheurer(a)everyware.ch> wrote:
>
> Dear All
>
>
>
> One ceph cluster is running with all daemons (mon, mgr, osd, rgw) having the version
12.2.12.
>
>
> Let's say we configure an additional radosgw instance with version 14.2.8,
configured with the same ceph cluster name, realm, zonegroup and zone as the existing
instances.
>
> Is it dangerous to start a different version of rgw concurrently with the older rgw?
>
> Can both versions server PUT & GET requests concurrently on the same buckets?
>
> It is probably ok, because during an upgrade it is as well assumed to have
temporarily different versions running concurrently...
> So the question is kind of the same as asking if one may cancel the radosgw upgrade
from Luminous to Nautilus in the middle, rolling back the radosgw packages.
>
>
> Many thanks in advance.
>
>
>
> Cheers
>
> Francois Scheurer
>
>
>
>
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