Re: Backup of cephfs metadata

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If you were to do that you'd be going backwards in time with your
metadata, so — not really. CephFS is not generally production-ready at
this time, but we welcome bug reports!
-Greg
Software Engineer #42 @ http://inktank.com | http://ceph.com


On Mon, Apr 8, 2013 at 12:52 PM, Maik Kulbe
<info@xxxxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> I'm currently testing Ceph with the POSIX fs at work as a fs cluster. So far
> I've managed to cripple the test environment three or four times be
> unintendently crashing the MDS(1 active, 2 hot-standby). It seems to me the
> MDS are pretty sensitive to all kinds of environmental changes and so to use
> this I really need a backup solution for the Metadata.
>
> I've seen that RADOS supports an export command and that this also works
> with the MD pool. Now the question is - can I just export and in case I need
> it re-import the exported metadata or are there problems with that? If so,
> what would be a better way to handle this?
>
> Thanks in advance,
>
> Maik Kulbe
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