Thank you,
Not my Installation is not very old is fresh installation less than six
months.
So I follow my written step to remove osd, after the test I can send output.
13.01.2022 12:54, Janne Johansson пишет:
I have Proxmox cluster with 7 node.
Storage for VM disk and others pool data is on ceph version 15.2.15
(4b7a17f73998a0b4d9bd233cda1db482107e5908) octopus (stable)
On pve-7 I have 10 OSD and for test I want to remove 2 osd from this node.
I write some steps command how I remove this OSD from pve-7 cluster and
ceph storage.
1) root@pve-7 ~ # ceph osd tree
2) ceph osd reweight
2.1) ceph osd reweight osd.${ID} 0.98
2.2) ceph osd reweight osd.${ID} 0.0 can I set the 0.0 to clean osd.X
before remove it?
3) When osd is clean from data can I?
ceph osd down osd.${ID}
4) Remove the osd from cluster
ceph osd out osd.${ID}
5) Stop the OSD and umount the osd
systemctl stop ceph-osd@${ID}
umount /var/lib/ceph/osd/ceph-${ID}
6) Remove the osd from CRUSH map:
ceph osd crush remove osd.${ID}
7) Remove the user of OSD:
ceph auth del osd.${ID}
8) And now full delete the OSD:
ceph osd rm osd.${ID}
9) Last command
ceph osd tree (removed OSD not showing
Can some one suggest me my steps command is correct ?
Or I need change some steps?
Step 6,7,8 looks a lot like "ceph osd purge", so unless you have a
very old installation, replace them with one command.
Apart from that it looks ok.
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