Yes, the creation time of the snap is appended to the snapname dynamically, i.e. snapview-server takes the snaplist from glusterd, and while populating the dentry for the ".snaps" it appends the time.
Thanks, Poornima ----- Original Message ----- > From: "Anand Avati" <av...@gluster.org> > To: "Poornima Gurusiddaiah" <pguru...@redhat.com>, "Gluster Devel" > <gluster-de...@gluster.org>, "gluster-users" <gluster-users@gluster.org> > Sent: Friday, January 9, 2015 1:49:02 AM > Subject: Re: [Gluster-devel] Appending time to snap name in USS > It would be convenient if the time is appended to the snap name on the fly > (when receiving list of snap names from glusterd?) so that the timezone > application can be dynamic (which is what users would expect). > Thanks > On Thu Jan 08 2015 at 3:21:15 AM Poornima Gurusiddaiah < pguru...@redhat.com > > wrote: > > Hi, > > > Windows has a feature called shadow copy. This is widely used by all > > > windows users to view the previous versions of a file. > > > For shadow copy to work with glusterfs backend, the problem was that > > > the clients expect snapshots to contain some format > > > of time in their name. > > > After evaluating the possible ways(asking the user to create > > > snapshot with some format of time in it and have rename snapshot > > > for existing snapshots) the following method seemed simpler. > > > If the USS is enabled, then the creation time of the snapshot is > > > appended to the snapname and is listed in the .snaps directory. > > > The actual name of the snapshot is left unmodified. i.e. the snapshot > > > list/info/restore etc. commands work with the original snapname. > > > The patch for the same can be found @ http://review.gluster.org/#/c/9371/ > > > The impact is that, the users would see the snapnames to be different in > > the > > ".snaps" folder > > > than what they have created. Also the current patch does not take care of > > the > > scenario where > > > the snapname already has time in its name. > > > Eg: > > > Without this patch: > > > drwxr-xr-x 4 root root 110 Dec 26 04:14 snap1 > > > drwxr-xr-x 4 root root 110 Dec 26 04:14 snap2 > > > With this patch > > > drwxr-xr-x 4 root root 110 Dec 26 04:14 snap1@GMT-2014.12.30-05.07.50 > > > drwxr-xr-x 4 root root 110 Dec 26 04:14 snap2@GMT-2014.12.30-23.49.02 > > > Please let me know if you have any suggestions or concerns on the same. > > > Thanks, > > > Poornima > > > ______________________________ _________________ > > > Gluster-devel mailing list > > > gluster-de...@gluster.org > > > http://www.gluster.org/ mailman/listinfo/gluster-devel >
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