Re: Added specs for filesnapshots based on reflinks

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On 16/03/16 17:10, Prasanna Kumar Kalever wrote:
On Wednesday, March 16, 2016 3:55:52 PM, Niels de Vos wrote:
On Wed, Mar 16, 2016 at 04:00:12AM -0400, Prasanna Kumar Kalever wrote:
Hi,

Regarding existing file snapshot:
--------------------------------
Currently we have qemu-block xlator which helps in creating a file based
snapshots,
the biggest limitation about this feature is that, it allows creation of
snapshots
only for qcow2 file types (QEMU specific).

what about other VM image formats (say VMDK, VDI ...)?
what about general file formats (txt, docx, md ... another 10000)?


Improvement:
------------
Suggested a feature that allows you to take a snapshot on any kind of file
with the
help of reflinks.

Here is the link to specs page (which also has a POC);
https://github.com/gluster/glusterfs-specs/compare/master...pkalever:master

I need all of your blessings to move this into action.
We do not use GitHub pull requests for the glusterfs-specs repository.
See the main README for sending your change to Gerrit.

I've left some comments in the GitHub patch. It's tricky to find where
the comments are, but I think this link should do it:

   https://github.com/gluster/glusterfs-specs/commit/eb00fae40686bf5693242f389bbd9d0b7e0baede#diff-189cd0b816a5a125cfaccf7434dd6d57R46
Thanks Niels,

I have posted it at,
http://review.gluster.org/#/c/13752/

Also replied back on your comments on github.
It will great if we can update the same in gerrit.

--
Prasanna


Hi Prasanna,

Are you targeting file snapshot feature for 3.8 or 3.8.x release ?
If yes can please create pull request for adding it to 3.8 roadmap[1].

[1] https://github.com/gluster/glusterweb/edit/master/source/community/roadmap/3.8/index.md

--
Jiffin
Thanks,
Niels

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