Am Di., 18. Feb. 2020 um 08:51 Uhr schrieb Hu Bert <revirii@xxxxxxxxxxxxxx>:
Hello,
i currently have a replicate 3 setup, gluster version 5.11 and debian
stretch. In the next weeks i want to migrate to gluster version 6.x
and upgrade the OS to debian buster.
So... any recommendation of what to do first? First upgrade gluster or
the operating system?
Hello Hubert,
i needed to do this a while ago, in my case it was a Proxmox-Cluster based on the Debian Stretch upgrade to Buster while also upgrading gluster up to v7. The way i did it:
1. i had the "normal" stretch gluster packages installed (3.8) not the backports (4.1), so i first needed to upgrade gluster to 3.12 and move on from there (see [1]). You may be able to skip the next step.
2. i activated the old-releases gluster repos for 3.12 [2] and upgrade from 3.8(debian) to 3.12(gluster)
3. after this i switched to the "latest" repo and upgraded to v7 while still running stretch
4. then i upgraded stretch to buster, while gluster repos where commented out
5. after the dist-upgrade i switched the gluster repos to the buster ones and activated them again
I write this all from memory as i am not at work atm, but this should be it. I also can say, that i did all the upgrades online (couldn't afford to stop all the vm's) - and to my surprise everything went without a big problem.
Good luck
Mika
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