We've done 14.04 -> 16.04 -> 18.04 -> 20.04 all at various stages of our ceph cluster life. The latest 18.04 to 20.04 was painless and we ran: apt update && apt dist-upgrade -y -o Dpkg::Options::=\"--force-confdef\" -o Dpkg::Options::=\"--force-confold\" do-release-upgrade --allow-third-party -f DistUpgradeViewNonInteractive On Wed, Oct 26, 2022 at 11:17 AM Reed Dier <reed.dier@xxxxxxxxxxx> wrote: > You should be able to `do-release-upgrade` from bionic/18 to focal/20. > > Octopus/15 is shipped for both dists from ceph. > Its been a while since I did this, the release upgrader might disable the > ceph repo, and uninstall the ceph* packages. > However, the OSDs should still be there, re-enable the ceph repo, install > ceph-osd, and then `ceph-volume lvm activate —all` should find and start > all of the OSDs. > > Caveat, if you’re using cephadm, I’m sure the process is different. > And also, if you’re trying to go to jammy/22, thats a different story, > because ceph isn’t shipping packages for jammy yet for any version of ceph. > I assume that they are going to ship quincy for jammy at some point, which > will give a stepping stone from focal to jammy with the quincy release, > because I don’t imagine that there will be a reef release for focal. > > Reed > > > On Oct 26, 2022, at 9:14 AM, Simon Oosthoek <s.oosthoek@xxxxxxxxxxxxx> > wrote: > > > > 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 > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx > > To unsubscribe send an email to ceph-users-leave@xxxxxxx > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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