Hi
I'm having trouble getting snapshot replication to work. I have 2
clusters, 714-ceph on RHEL/16.2.0-146.el8cp and dcn-ceph on CentOS
Stream 8/16.2.6. I trying to enable one-way replication from 714-ceph ->
dcn-ceph.
Adding peer:
"
# rbd mirror pool info
Mode: image
Site Name: dcn-ceph
Peer Sites: none
# rbd --cluster dcn-ceph mirror pool peer bootstrap import --direction
rx-only --site-name dcn-ceph rbd /tmp/token
2021-12-15T08:24:20.250+0000 7fa8b498d2c0 -1 auth: unable to find a
keyring on
/etc/ceph/..keyring,/etc/ceph/.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin,:
(2) No such file or directory
2021-12-15T08:24:20.251+0000 7fa8b498d2c0 -1 auth: unable to find a
keyring on
/etc/ceph/..keyring,/etc/ceph/.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin,:
(2) No such file or directory
2021-12-15T08:24:20.251+0000 7fa8b498d2c0 -1 auth: unable to find a
keyring on
/etc/ceph/..keyring,/etc/ceph/.keyring,/etc/ceph/keyring,/etc/ceph/keyring.bin,:
(2) No such file or directory
# dcn-ceph-01/root tmp
# rbd mirror pool info
Mode: image
Site Name: dcn-ceph
Peer Sites:
UUID: cd68b1bb-3e0b-4f9d-bd52-4ff5804c9746
Name: 714-ceph
Direction: rx-only
Client: client.rbd-mirror-peer
"
I presume the error is benign, as pr
https://bugzilla.redhat.com/show_bug.cgi?id=1981186, and the peer
relation seems to be established.
On 714-ceph:
"
# rbd mirror pool info
Mode: image
Site Name: 714-ceph
Peer Sites:
UUID: cabf78ce-f65f-4a27-a648-20b3fd326647
Name: dcn-ceph
Mirror UUID: 4132f9e2-555f-4363-8c62-72f0db37f700
Direction: tx-only
# rbd mirror pool info rbd
Mode: image
Site Name: 714-ceph
Peer Sites:
UUID: cabf78ce-f65f-4a27-a648-20b3fd326647
Name: dcn-ceph
Mirror UUID: 4132f9e2-555f-4363-8c62-72f0db37f700
Direction: tx-only
rbd mirror image enable rbd/rbdmirrortest snapshot
# rbd info rbd/rbdmirrortest
rbd image 'rbdmirrortest':
size 100 GiB in 25600 objects
order 22 (4 MiB objects)
snapshot_count: 1
id: 46e06591893e12
block_name_prefix: rbd_data.46e06591893e12
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
op_features:
flags:
create_timestamp: Tue Dec 14 08:46:59 2021
access_timestamp: Tue Dec 14 10:30:01 2021
modify_timestamp: Tue Dec 14 08:46:59 2021
mirroring state: enabled
mirroring mode: snapshot
mirroring global id: 3c92991f-b0ae-496f-adb6-f2f25cbb2220
mirroring primary: true
# rbd mirror image status rbd/rbdmirrortest
rbdmirrortest:
global_id: 3c92991f-b0ae-496f-adb6-f2f25cbb2220
snapshots:
109
.mirror.primary.3c92991f-b0ae-496f-adb6-f2f25cbb2220.6d267de5-e9db-4dfd-b626-a4df87ad2485
(peer_uuids:[cabf78ce-f65f-4a27-a648-20b3fd326647])
"
Looks good?
At the dcn-ceph end the image is created, but then nothing happens:
"
# rbd info rbd/rbdmirrortest
rbd image 'rbdmirrortest':
size 100 GiB in 25600 objects
order 22 (4 MiB objects)
snapshot_count: 0
id: 8e3863f675783d
data_pool: rbd_data
block_name_prefix: rbd_data.4.8e3863f675783d
format: 2
features: layering, exclusive-lock, object-map, fast-diff,
deep-flatten, data-pool, non-primary
op_features:
flags:
create_timestamp: Wed Dec 15 08:25:20 2021
access_timestamp: Wed Dec 15 08:25:20 2021
modify_timestamp: Wed Dec 15 08:25:20 2021
mirroring state: unknown
mirroring mode: snapshot
mirroring global id: 3c92991f-b0ae-496f-adb6-f2f25cbb2220
mirroring primary: false
# rbd mirror image status rbd/rbdmirrortest
rbd: mirroring not enabled on the image
"
Any ideas?
Thanks,
Torkil
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