[ClusterLabs] copy file

[Klaus Wenninger]

On 03/07/2018 10:03 AM, Mevo Govo wrote:
> Thanks for advices, I will try!
> lados.
>
> 2018-03-05 23:29 GMT+01:00 Ken Gaillot <kgaillot at redhat.com
> <mailto:kgaillot at redhat.com>>:
>
>     On Mon, 2018-03-05 at 15:09 +0100, Mevo Govo wrote:
>     > Hi,
>     > I am new in pacemaker. I think, I should use DRBD instead of copy
>     > file. But in this case, I would copy a file from a DRBD to an
>     > external device. Is there a builtin way to copy a file before a
>     > resource is started (and after the DRBD is promoted)? For example a
>     > "copy" resource? I did not find it. 
>     > Thanks: lados.
>     >
>
>     There's no stock way of doing that, but you could easily write an
>     agent
>     that simply copies a file. You could use ocf:pacemaker:Dummy as a
>     template, and add the copy to the start action. You can use standard
>     ordering and colocation constraints to make sure everything happens in
>     the right sequence.
>
>     I don't know what capabilities your external device has, but another
>     approach would be to an NFS server to share the DRBD file system, and
>     mount it from the device, if you want direct access to the original
>     file rather than a copy.
>

csync2 & rsync might be considered as well although not knowing
your scenario in detail it is hard to tell if it would be overkill.

Regards,
Klaus

>     --
>     Ken Gaillot <kgaillot at redhat.com <mailto:kgaillot at redhat.com>>
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