Hi Dillaman,
Thank you for getting back to me.
My system is ubuntu, so I using "sudo rbd-mirror --cluster=local
--log-file=mirror.log --debug-rbd-mirror=20/5" instead. I was read your
reply but still confused.
The image journaling is enable.
---------------rbd info start-------------------
$ rbd info test
rbd image 'test':
size 1024 MB in 256 objects
order 22 (4096 kB objects)
block_name_prefix: rbd_data.853d2ae8944a
format: 2
features: layering, exclusive-lock, object-map, fast-diff,
deep-flatten, journaling
flags:
journal: 853d2ae8944a
mirroring state: enabled
mirroring global id: 912e6673-6dd9-480c-bfe1-f134f79a9989
mirroring primary: true
----------------rbd info end--------------------
And logs like below, I do not seem any errors. But images never show up on
site2.
----------------log start --------------------
2016-05-13 10:33:47.076797 7f70d0469c80 20 rbd-mirror: Mirror::run: enter
2016-05-13 10:33:47.076800 7f70d0469c80 20 rbd-mirror:
ClusterWatcher::refresh_pools: enter
2016-05-13 10:33:47.083209 7f70d0469c80 20 rbd-mirror:
ClusterWatcher::read_configs: pool rbd has mirroring enabled for peer uuid:
1add7cb3-2cee-43a3-a67c-4c5adb9d455d cluster: remote client: client.admin
2016-05-13 10:33:47.083229 7f70d0469c80 20 rbd-mirror:
Mirror::update_replayers: enter
2016-05-13 10:33:47.083231 7f70d0469c80 20 rbd-mirror:
Mirror::update_replayers: starting replayer for uuid:
1add7cb3-2cee-43a3-a67c-4c5adb9d455d cluster: remote client: client.admin
2016-05-13 10:33:47.083271 7f70d0469c80 20 rbd-mirror: Replayer::init:
replaying for uuid: 1add7cb3-2cee-43a3-a67c-4c5adb9d455d cluster: remote
client: client.admin
2016-05-13 10:33:47.091120 7f70d0469c80 20 rbd-mirror: Replayer::init:
connected to uuid: 1add7cb3-2cee-43a3-a67c-4c5adb9d455d cluster: remote
client: client.admin
2016-05-13 10:33:47.091178 7f70d0469c80 20 rbd-mirror:
PoolWatcher::refresh_images: enter
2016-05-13 10:33:47.096067 7f707bfff700 20 rbd-mirror: Replayer::run: enter
2016-05-13 10:33:47.096207 7f707bfff700 20 rbd-mirror:
Replayer::set_sources: enter
---------------------log end--------------------
Do I need upgrade kernel to 4.4 or higher?
Best wishes,
Mika
2016-05-12 21:10 GMT+08:00 Jason Dillaman <jdill...@redhat.com>:
> On Thu, May 12, 2016 at 6:33 AM, Mika c <mika.leaf...@gmail.com> wrote:
>
> > 4.) Both sites installed "rbd-mirror".
> > Start daemon "rbd-mirror" .
> > On site1：$sudo rbd-mirror -m 192.168.168.21:6789
> > On site2：$sudo rbd-mirror -m 192.168.168.22:6789
>
> Assuming you use keep "ceph" as the local cluster name and use
> "remote" for its peer, you should be able to do the following:
>
> systemctl enable ceph-rbd-mirror@0
> systemctl start ceph-rbd-mirror@0
>
> You can override the local cluster name by putting
> "CLUSTER=<whatever>" in /etc/sysconfig/ceph. The name of the remote
> cluster is derived from the registration added via the "rbd mirror
> pool peer add" command.
>
> --
> Jason
>
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