[Users] mount ploop image from read-only fs

Pavel Odintsov pavel.odintsov at gmail.com
Tue Aug 19 01:48:17 PDT 2014


Hello!

You can mount ploop from RO root.hdd images with my tool:
https://github.com/FastVPSEestiOu/ploop_userspace but it's not stable
now. You can try it and provide feedback.

On Tue, Aug 19, 2014 at 12:24 PM, Roman Haefeli <reduzent at gmail.com> wrote:
> Hi all
>
> At the university I work, we plan to switch all containers from simfs to
> ploop images on the long run. Despite the many advantages of using
> ploop, there is one major drawback that keeps us from switching
> production already now: We can't mount ploop images from read-only
> snapshots. In case of a recovery of a single file, we have to copy the
> ploop image from the read-only snapshot to some read-write storage in
> order to be able to mount it and extract the file. For CTs with huge
> ploop-images this is a big hurdle.
>
> Wouldn't it be possible to add a some flag to the 'ploop' utility to
> allow mounting ploop images from read-only storage (by bypassing some
> checks or skipping to set the dirty flag or whatever is necessary)?
>
> Cheers,
> Roman
>
>
> _______________________________________________
> Users mailing list
> Users at openvz.org
> https://lists.openvz.org/mailman/listinfo/users



-- 
Sincerely yours, Pavel Odintsov


More information about the Users mailing list