[Gluster-devel] reflink support for glusterfs and gluster-block using it for taking snapshots

Niels de Vos ndevos at redhat.com
Tue Nov 7 11:46:00 UTC 2017

On Tue, Nov 07, 2017 at 07:43:17AM +0530, Pranith Kumar Karampuri wrote:
> hi,
>      I just created a github issue for reflink support
> <https://github.com/gluster/glusterfs/issues/349>(#349) in glusterfs. We
> are intending to use this feature to do block snapshots in gluster-block.
> Please let us know your comments on the github issue. I have added the
> changes we may need for xlators I know a little bit about. Please help in
> identifying gaps in implementing this FOP.

For gluster-block it may be easier to have snapshot support in
tcmu-runner instead? The qcow2 format would be ideal, and is in use by
different Virtual Machine approaches running on Gluster already. There
even is an upstream issue open for it:

Contributing towards this might be quicker than implementing file
snapshot support in Gluster?

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