[Gluster-users] accessing snapshot from client

[Vijay Bellur]

On 11/29/2014 01:24 AM, Maged Mokhtar wrote:
> i am trying to use snapshot feature using gluster 3.6.1, i am not sure
> how i can make the client see the snapshot.
>
> i created a replica volume on 2 servers, the bricks were mounted from
> thin lvm volumes:
> gluster vol create gvol1 replica 2
> storage1:/gluster-server/mount1/brick1
> storage2:/gluster-server/mount1/brick1
>
> i also created a snapshot:
> gluster snapshot create gvol1-snap1  gvol1
>
> it returns success, i can see the snapshot using:
> gluster snapshot list
> gluster snapshot info gvol1-snap1  ( shows Status started )
> gluster snapshot status gvol1-snap1  ( Shows brick path
> /var/run/gluster/snaps/XX on both storage servers )
>
> i can also see the snapshot with preserved data mounted in
> /var/run/gluster/snaps/XX
>
> 1) Now how do i access this snapshot from a client ? if i try to run
> mount -t glusterfs storage1:gvol1-snap1 /gluster-client/gvol1-snap1
> this does not work, it does not give an error but the mount is empty
>
> 2) i also tried using uss ( user servicable snapshots )
> gluster volume set gvol1 features.uss enable
> returned success but i do not see the .snap dirs in my main mount.

The section on accessing snapshots in admin guide [1] might be useful to 
get this going.

-Vijay

[1] 
https://github.com/gluster/glusterfs/blob/master/doc/admin-guide/en-US/markdown/admin_managing_snapshots.md