[Gluster-devel] Glusterfs Snapshot feature

haiwei.xie-soulinfo haiwei.xie at soulinfo.com
Thu Dec 5 13:51:01 UTC 2013

   We have completed gvol snapshot module based btrfs in 3.3.1 version,
in this design, we can't achieve application data consistency in snapshot, 
gluster lock & sync are not enough, so, any advice? 

      | clients (nfs/cifs) cache|  --> |glusterfs cache| --> |bricks fs cache|
      --can't trigger sync here--      --lock & sync--      ---    sync ----

> Hi all,
> We are implementing snapshot support for glusterfs volumes in release-3.6. 
> The design document can be found at https://forge.gluster.org/snapshot/pages/Home.
> The document needs some update and I will doing that in the coming weeks.
> All the work done till now can be seen at review.gluster.com. The project name for the snapshot
> work is "glusterfs-snapshot"
> http://review.gluster.org/#/q/status:open+project:glusterfs-snapshot,n,z
> All suggestions and comments are welcome.
> Thanks & Regards,
> Rajesh
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