I can see the content of the mentioned folders just after issue the command ceph-volume.... Thanks anyway. Em qua., 20 de ago. de 2025 às 11:26, Eugen Block <eblock@xxxxxx> escreveu: > I assume you're right. Do you see the OSD contents in > /var/lib/ceph/osd/ceph-pve01 after activating? > And remember to collect the clustermap from all OSDs for this > procedure to succeed. > > Zitat von Gilberto Ferreira <gilberto.nunes32@xxxxxxxxx>: > > > I see... > > > > But I had another problem. > > The script from (0) indicate that should be exist a /var/lib/ceph/osd > > folder, like: > > /var/lib/ceph/osd/ceph-pve01 > > /var/lib/ceph/osd/ceph-pve02 > > and so on. > > > > But this folder appears only if I run ceph-volume lvm activate --all. > > So my question is: when I should run this command: after or before use > the > > script? > > I think I need to run ceph-volume lvm activate --all, right? > > Just to clarify. > > > > Thanks > > > > Em qua., 20 de ago. de 2025 às 11:08, Eugen Block <eblock@xxxxxx> > escreveu: > > > >> Yes, you need a monitor. The mgr is not required and can be deployed > >> later. After you created the monitor, replace the mon store contents > >> by the collected clustermaps from the mentioned procedure. Keep the > >> ownerships of the directories/files in mind. If the monitor starts > >> successfully (with the original FSID), you can try to start one of the > >> OSDs. If that works, start the rest of them, wait for the peering > >> storm to settle, create two more monitors and two mgr daemons. > >> > >> Note that if you lose the mon store and you had a CephFS, you'll need > >> to recreate that from the existing pools. > >> > >> Zitat von Gilberto Ferreira <gilberto.nunes32@xxxxxxxxx>: > >> > >> > Hi > >> > > >> > Do I need to create any mon and/or mgr in the new ceph cluster? > >> > > >> > > >> > > >> > Em seg., 18 de ago. de 2025 às 13:03, Eugen Block <eblock@xxxxxx> > >> escreveu: > >> > > >> >> Hi, > >> >> > >> >> this sounds like you created a new cluster (new fsid), the OSDs still > >> >> have the previous fsid configured. I'd rather recommend to follow > this > >> >> procedure [0] to restore the mon store utilizing OSDs rather than > >> >> trying to manipulate otherwise intact OSDs to fit into the "new" > >> >> cluster. That way you'll have "your" cluster back. I don't know if > >> >> there are any specifics to using proxmox, though. But the mentioned > >> >> procedure seems to work just fine, I've read multiple reports on this > >> >> list. Luckily, I haven't had to use it myself. > >> >> > >> >> Regards, > >> >> Eugen > >> >> > >> >> [0] > >> >> > >> >> > >> > https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-mon/#recovery-using-osds > >> >> > >> >> Zitat von Gilberto Ferreira <gilberto.nunes32@xxxxxxxxx>: > >> >> > >> >> > Hi > >> >> > > >> >> > I have 3 nodes Proxmox Cluster with CEPH, and after a crash, I > have to > >> >> > reinstall Proxmox from scratch, along with Ceph. > >> >> > OSD are intact. > >> >> > I already did ceph-volume lvm activate --all and the OSD appears > with > >> >> > ceph-volum lvm list and I got a folder with the name of the OSD > under > >> >> > /var/lib/ceph/osd. > >> >> > However is not appear in ceph osd tree or ceph -s or even in the > web > >> gui. > >> >> > Is there any way to re-add this OSD to Proxmox CEPH? > >> >> > > >> >> > Thanks a lot for any help. > >> >> > > >> >> > > >> >> > Best Regards > >> >> > --- > >> >> > Gilbert > >> >> > _______________________________________________ > >> >> > 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 > >> > >> > >> _______________________________________________ > >> 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 > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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