All paths mentioned while configuring cephfs snapshot mirroring start at
the respective cephfs file-system root
eg.
if you typically mount the cephfs file-system at /mnt/folderfs, then the
path "/mnt/folderfs" is meaningless to cephfs snapshot mirroring unless you
indeed have a folder hierarchy /mnt/folderfs under the cephfs file-system
root
So, if you want to mirror the entire cephfs file-system starting at the
cephfs file-system root then you should specify the path as "/"
If you have a folder named folderfs under the cephfs file-system root that
you'd like to mirror, then you should add the path "/folderfs" and not "
/mnt/folderfs"
On Fri, Sep 16, 2022 at 10:40 PM Aristide Bekroundjo <bekroundjo@xxxxxxx>
wrote:
> Hi,
>
> In the mirror service status I can see the the error about no found
> directory.
> So What is the right full path ?
>
>
>
> ync_snaps: failed to sync snapshots for dir_root=/mnt/folderfs
> uild_snap_map: failed to open local snap directory=/mnt/folderfs/.snap:
> (2) No such file or directory
> o_sync_snaps: failed to build local snap map
> ync_snaps: failed to sync snapshots for dir_root=/mnt/folderfs
> uild_snap_map: failed to open local snap directory=/mnt/folderfs/.snap:
> (2) No such file or directory
> o_sync_snaps: failed to build local snap map
> ync_snaps: failed to sync snapshots for dir_root=/mnt/folderfs
> uild_snap_map: failed to open local snap directory=/mnt/folderfs/.snap:
> (2) No such file or directory
> o_sync_snaps: failed to build local snap map
> ync_snaps: failed to sync snapshots for dir_root=/mnt/folderfs
>
>
>
>
> [root@monnode1]# ceph --admin-daemon
> ceph-client.cephfs-mirror.monnode1.msygpf.7.94270975030728.asok fs mirror
> peer status fs-cluster@1 107f24c3-016f-467d-8ed0-87f1026445d5
> {
> "/mnt/folderfs": {
> "state": "failed",
> "snaps_synced": 0,
> "snaps_deleted": 0,
> "snaps_renamed": 0
> }
> }
> [root@monnode1 ca59e8b0-3398-11ed-8fc2-525400c2ee0b]#
>
> Best regards,
> Ari.
>
> De : Aristide Bekroundjo<mailto:bekroundjo@xxxxxxx>
> Envoyé le :vendredi 16 septembre 2022 10:53
> À : ceph-users@xxxxxxx<mailto:ceph-users@xxxxxxx>
> Objet : CephFS Mirroring failed
>
>
>
> Hi Dear,
>
> I have a two clusters (A,B) Under ceph 16.2.10, and try to implement
> cephfs mirroring (From A to B).
>
> It failed at FS mirroring, is their any logs others that can help me to
> investigate the failure cause..
>
> [root@monnode1]# ceph --admin-daemon
> ceph-client.cephfs-mirror.monnode1.msygpf.7.93868793542088.asok fs mirror
> peer status fs-cluster@1 107f24c3-016f-467d-8ed0-87f1026445d5
> {
> "/mnt/pointfs": {
> "state": "failed",
> "snaps_synced": 0,
> "snaps_deleted": 0,
> "snaps_renamed": 0
> }
> }
> [root@monnode1]#
>
>
> The source cluster can see the remote cluster.
>
> [root@monnode1 ~]# ceph fs snapshot mirror peer_list fs-cluster | jq
> {
> "b4b020a5-a3f8-4713-8b33-787f0210dbec": {
> "client_name": "client.mirror_remote",
> "site_name": "site-remote",
> "fs_name": "fs-cluster2",
> "mon_host": "[v2:192.168.1.176:3300/0,v1:192.168.1.176:6789/0] [v2:
> 192.168.1.225:3300/0,v1:192.168.1.225:6789/0] [v2:
> 192.168.1.222:3300/0,v1:192.168.1.222:6789/0] [v2:
> 192.168.1.48:3300/0,v1:192.168.1.48:6789/0]"
> }
> }
> [root@monnode1 ~]#
>
> Best regards,
>
>
>
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>
--
Milind
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