Hi Simon,
You can just dist-upgrade the underlying OS. Assuming that you installed
the packages from https://download.ceph.com/debian-octopus/, just change
bionic to focal in all apt-sources, and dist-upgrade away.
—
Mark Schouten, CTO
Tuxis B.V.
mark@xxxxxxxx
------ Original Message ------
From "Simon Oosthoek" <s.oosthoek@xxxxxxxxxxxxx>
To "ceph-users@xxxxxxx" <ceph-users@xxxxxxx>
Date 26/10/2022 16:14:28
Subject how to upgrade host os under ceph
Dear list,
I'm looking for some guide or pointers to how people upgrade the underlying host OS in a ceph cluster (if this is the right way to proceed, I don't even know...)
Our cluster is nearing the 4.5 years of age and now our ubuntu 18.04 is nearing the end of support date. We have a mixed cluster of u18 and u20 nodes, all running octopus at the moment.
We would like to upgrade the OS on the nodes, without changing the ceph version for now (or per se).
Is it as easy as installing a new OS version, installing the ceph-osd package and a correct ceph.conf file and restoring the host key?
Or is more needed regarding the specifics of the OSD disks/WAL/journal?
Or is it necessary to drain a node of all data and re-add the OSDs as new units? (This would be too much work, so I doubt it ;-)
The problem with searching for information about this, is that it seems undocumented in the ceph documentation, and search results are flooded with ceph version upgrades.
Cheers
/Simon
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