I found a small two-node cluster to test this on pacific, I can
reproduce it. After reinstalling the host (VM) most of the other
services are redeployed (mon, mgr, mds, crash), but not the OSDs. I
will take a closer look.
Zitat von Tony Liu <tonyliu0592@xxxxxxxxxxx>:
Tried [1] already, but got error.
Created no osd(s) on host ceph-4; already created?
The error is from [2] in deploy_osd_daemons_for_existing_osds().
Not sure what's missing.
Should OSD be removed, or removed with --replace, or untouched
before host reinstallation?
[1]
https://docs.ceph.com/en/pacific/cephadm/services/osd/#activate-existing-osds
[2]
https://github.com/ceph/ceph/blob/0a5b3b373b8a5ba3081f1f110cec24d82299cac8/src/pybind/mgr/cephadm/services/osd.py#L196
Thanks!
Tony
________________________________________
From: Tony Liu <tonyliu0592@xxxxxxxxxxx>
Sent: April 27, 2023 10:20 PM
To: ceph-users@xxxxxxx; dev@xxxxxxx
Subject: import OSD after host OS reinstallation
Hi,
The cluster is with Pacific and deployed by cephadm on container.
The case is to import OSDs after host OS reinstallation.
All OSDs are SSD who has DB/WAL and data together.
Did some research, but not able to find a working solution.
Wondering if anyone has experiences in this?
What needs to be done before host OS reinstallation and what's after?
Thanks!
Tony
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