Re: `ceph features` on Nautilus still reports "luminous"

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This is my understanding as well: as with CRUSH tunable sets, features *happen* to be named after releases don't always correlate 1:1.  

> On May 25, 2023, at 15:49, Wesley Dillingham <wes@xxxxxxxxxxxxxxxxx> wrote:
> 
> Fairly confident this is normal. I just checked a pacific cluster and they
> all report luminous as well. I think some of the backstory of this is
> luminous is the release where up-maps were released and there hasnt been a
> reason to increment the features release of subsequent daemons.
> 
> To be honest I am not confident that "ceph osd
> set-require-min-compat-client nautilus" is a necessary step for you. What
> prompted you to run that command?
> 
> That step is not listed here:
> https://docs.ceph.com/en/latest/releases/nautilus/#upgrading-from-mimic-or-luminous
> 
> but its been a bit since ive operated a pre-nautilus release.
> 
> Respectfully,
> 
> *Wes Dillingham*
> wes@xxxxxxxxxxxxxxxxx
> LinkedIn <http://www.linkedin.com/in/wesleydillingham>
> 
> 
> On Thu, May 25, 2023 at 3:14 PM Oliver Schmidt <os@xxxxxxxxxxxxxxx> wrote:
> 
>> Hi Marc,
>> 
>>> 
>>> I think for an upgrade the rocksdb is necessary. Check this for your
>> monitors
>>> 
>>> cat /var/lib/ceph/mon/ceph-a/kv_backend
>> 
>> Thanks, but I already had migrated all mons to use rocksdb when upgrading
>> to Luminous.
>> 
>> ~ # cat /srv/ceph/mon/ceph-host1/kv_backend
>> rocksdb
>> 
>> Is this what you expect here?
>> 
>> Best regards
>> Oliver
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