Re: CephFS Snapshots in Mimic

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On Tue, Jul 31, 2018 at 3:45 PM Kenneth Waegeman
<kenneth.waegeman@xxxxxxxx> wrote:
>
> Hi all,
>
> I updated an existing Luminous cluster to Mimic 13.2.1. All daemons were
> updated, so I did ceph osd require-osd-release mimic, so everything
> seems up to date.
>
> I want to try the snapshots in Mimic, since this should be stable, so i ran:
>
> [root@osd2801 alleee]# ceph fs set cephfs allow_new_snaps true
> enabled new snapshots
>
> Now, when I try to create a snapshot, it is not working:
>
> [root@osd2801 ~]# mkdir /mnt/bla/alleee/aaas
> [root@osd2801 ~]# mkdir /mnt/bla/alleee/aaas/.snap
> mkdir: cannot create directory ‘/mnt/bla/alleee/aaas/.snap’: File exists
>
> I tried this using ceph-fuse and the kernel client, but always get the
> same response.

The .snap directory always exists.  To create a snapshot, you create
subdirectory of .snap with a name of your choice.

John

> Should I enable something else to get snapshots working ?
>
>
> Thank you!
>
>
> Kenneth
>
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