In case the image has parent, the parent image also needs to be mirrored.
After enabling the mirroring on parent image, it works as expected.
Thanks!
Tony
________________________________________
From: Tony Liu <tonyliu0...@hotmail.com>
Sent: July 31, 2023 08:13 AM
To: ceph-users@ceph.io; d...@ceph.io
Subject: [ceph-users] [rbd-mirror] can't enable journal-based image mirroring
Hi,
The Ceph cluster is with Pacific v16.2.10.
"rbd mirror image enable <image> journal" seems not working.
Any clues what I'm missing? There is no error messages from the CLI.
Any way to troubleshooting?
```
# rbd mirror pool info volume-ssd
Mode: image
Site Name: 35d050c0-77c0-11eb-9242-2cea7ff9d07c
Peer Sites:
UUID: 86eacc0f-6657-4742-8daf-2942ea23affd
Name: qa
Mirror UUID:
Direction: rx-tx
Client: client.infra
# rbd feature enable volume-ssd/volume-aceee005-265e-44ea-a591-b6dda639a76b
journaling
# rbd mirror image enable
volume-ssd/volume-aceee005-265e-44ea-a591-b6dda639a76b journal
# rbd info volume-ssd/volume-aceee005-265e-44ea-a591-b6dda639a76b
rbd image 'volume-aceee005-265e-44ea-a591-b6dda639a76b':
size 40 GiB in 10240 objects
order 22 (4 MiB objects)
snapshot_count: 0
id: e6fce674350e55
block_name_prefix: rbd_data.e6fce674350e55
format: 2
features: layering, exclusive-lock, object-map, fast-diff,
deep-flatten, journaling
op_features:
flags:
create_timestamp: Sun Jul 30 22:21:09 2023
access_timestamp: Mon Jul 31 00:36:20 2023
modify_timestamp: Mon Jul 31 08:01:26 2023
parent: image/801d1850-de2f-443b-a30c-71966e90c118@snap
overlap: 10 GiB
journal: e6fce674350e55
mirroring state: disabled
# rbd mirror image status volume-ssd/volume-aceee005-265e-44ea-a591-b6dda639a76b
rbd: mirroring not enabled on the image
```
Thanks!
Tony
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