Hi,
is your cluster managed by cephadm? Because you refer to the manual
procedure in the docs, but they are probably referring to pre-cephadm
times when you had to use ceph-volume directly. If your cluster is
managed by cephadm I wouldn't intervene manually when the orchestrator
can help with these tasks. See [2] for more details.
[2] https://docs.ceph.com/en/reef/cephadm/services/osd/#remove-an-osd
Zitat von duluxoz <duluxoz@xxxxxxxxx>:
Hi All,
I'm trying to replace an OSD in our cluster.
This is on Reef 18.2.2 on Rocky 9.4.
I performed the following steps (from this page of the Ceph Doco:
https://docs.ceph.com/en/reef/rados/operations/add-or-rm-osds/):
1. Make sure that it is safe to destroy the OSD:
`while!cephosdsafe-to-destroyosd.{id};dosleep10;done`
2. Destroy the OSD: `cephosddestroy0--yes-i-really-mean-it`
3. Replaced the HDD
4. Prepare the disk for replacement by using the ID of the OSD that was
destroyed in previous steps:
`ceph-volumelvmprepare--osd-id0--data/dev/sd3`
However, at this point I get the following errors:
~~~
Running command: /usr/bin/ceph --cluster ceph --name
client.bootstrap-osd --keyring
/var/lib/ceph/bootstrap-osd/ceph.keyring osd tree -f json
stderr: 2024-08-02T13:52:58.812+1000 7ff26e904640 -1 auth: unable
to find a keyring on
/etc/ceph/ceph.client.bootstrap-osd.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin: (2) No such file or
directory
stderr: 2024-08-02T13:52:58.812+1000 7ff26e904640 -1
AuthRegistry(0x7ff268063e88) no keyring found at
/etc/ceph/ceph.client.bootstrap-osd.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin, disabling
cephx
stderr: 2024-08-02T13:52:58.817+1000 7ff26e904640 -1 auth: unable
to find a keyring on /var/lib/ceph/bootstrap-osd/ceph.keyring: (2)
No such file or directory
stderr: 2024-08-02T13:52:58.817+1000 7ff26e904640 -1
AuthRegistry(0x7ff268063e88) no keyring found at
/var/lib/ceph/bootstrap-osd/ceph.keyring, disabling cephx
stderr: 2024-08-02T13:52:58.819+1000 7ff26e904640 -1 auth: unable
to find a keyring on /var/lib/ceph/bootstrap-osd/ceph.keyring: (2)
No such file or directory
stderr: 2024-08-02T13:52:58.819+1000 7ff26e904640 -1
AuthRegistry(0x7ff268065b00) no keyring found at
/var/lib/ceph/bootstrap-osd/ceph.keyring, disabling cephx
stderr: 2024-08-02T13:52:58.821+1000 7ff26e904640 -1 auth: unable
to find a keyring on /var/lib/ceph/bootstrap-osd/ceph.keyring: (2)
No such file or directory
stderr: 2024-08-02T13:52:58.821+1000 7ff26e904640 -1
AuthRegistry(0x7ff26e9030c0) no keyring found at
/var/lib/ceph/bootstrap-osd/ceph.keyring, disabling cephx
stderr: [errno 2] RADOS object not found (error connecting to the cluster)
--> RuntimeError: Unable check if OSD id exists: 0
~~~
I can see a `client.bootstap-osd` user in the Ceph Dashboard Ceph
User List, so I'm not sure what's going on.
Any help is greatly appreciated - thanks.
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