* send/receive feature to determine the difference between snapshots
@ 2012-08-06 7:24 Dieter Kasper
2012-08-06 16:14 ` Gregory Farnum
0 siblings, 1 reply; 2+ messages in thread
From: Dieter Kasper @ 2012-08-06 7:24 UTC (permalink / raw)
To: ceph-devel; +Cc: Dieter Kasper (KD)
@All,
I just read about a
"send/receive feature in Kernel-3.6 for btrfs which can be used by backup solutions to determine the difference between snapshots"
http://www.h-online.com/open/news/item/First-release-candidate-of-Linux-kernel-version-3-6-1659576.html
http://lwn.net/Articles/506244/
This is a very efficient interface for backup tools, especially for large Cluster File Systems!
Can we put it on the feature list for Ceph-FS ?
Best Regards,
-Dieter
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: send/receive feature to determine the difference between snapshots
2012-08-06 7:24 send/receive feature to determine the difference between snapshots Dieter Kasper
@ 2012-08-06 16:14 ` Gregory Farnum
0 siblings, 0 replies; 2+ messages in thread
From: Gregory Farnum @ 2012-08-06 16:14 UTC (permalink / raw)
To: Dieter Kasper; +Cc: ceph-devel
On Monday, August 6, 2012, Dieter Kasper wrote:
>
> @All,
>
> I just read about a
> "send/receive feature in Kernel-3.6 for btrfs which can be used by backup solutions to determine the difference between snapshots"
>
> http://www.h-online.com/open/news/item/First-release-candidate-of-Linux-kernel-version-3-6-1659576.html
> http://lwn.net/Articles/506244/
>
> This is a very efficient interface for backup tools, especially for large Cluster File Systems!
> Can we put it on the feature list for Ceph-FS ?
>
>
> Best Regards,
> -Dieter
While send/receive functionality in some form will be important, I
don't think we want to work on it until we have a plan for backups in
the first place -- using the filesystem client for backups is probably
the wrong interface for a Ceph cluster. :)
This topic is definitely coming up on the roadmap, though. I think
backups and cluster sync are next in line for the OSDs after PG
splitting (and merging?) is done.
-Greg
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-08-06 7:24 send/receive feature to determine the difference between snapshots Dieter Kasper
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