Unfortunately this didn't work. OSD has been removed and all
logical volumes have been cleaned up, but ceph still won't
create the new OSD.
Vlad
On 7/7/22 15:31, Malte Stroem wrote:
Hello Vlad,
- add the following to your yaml and apply it:
unmanaged: true
- go to the server that hosts the failed OSD
- fire up cephadm shell, if it's not there install it and
give the server the _admin label:
ceph orch host label add servername _admin
- ceph orch osd rm 494
- ceph-volume lvm deactivate 494
- ceph-volume lvm zap --destroy --osd-id 494
- leave cephadm shell
- check if db, wal and osd were removed on the server
(lsblk, vgs, lvs)
- if not remove the volumes by hand with lvremove
- set unmanaged: false and apply the yaml
Best,
Malte
Am 07.07.22 um 20:55 schrieb Vladimir Brik:
Hello
I am running 17.2.1. We had a disk failure and I followed
https://docs.ceph.com/en/quincy/cephadm/services/osd/ to
replace the OSD but it didn't work.
I replaced the failed disk, ran "ceph orch osd rm 494
--replace --zap", which stopped and removed the daemon
from "ceph orch ps", and deleted the WAL/DB LVM volume of
the OSD from the NVMe device shared with other OSDs. "ceph
status" says 710 OSDs total, 709 up. So far so good.
BUT
"ceph status" shows osd.494 as stray, even though it is
not running on the host, its systemd files have been
cleaned up, and "cephadm ls" doesn't show it.
A new OSD is not being created. The logs have entries
about osd claims for ID 494 but nothing is happening.
Re-applying the drive group spec below didn't result in
anything:
service_type: osd
service_id: r740xd2-mk2-hdd
service_name: osd.r740xd2-mk2-hdd
placement:
label: r740xd2-mk2
spec:
data_devices:
rotational: 1
db_devices:
paths:
- /dev/nvme0n1
Did I do something incorrectly? What do I need to do to
re-create the failed OSD?
Vlad
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