Best practices on Filesystem recovery on RBD block volume?

[ilya.dryomov@xxxxxxxxxxx (Ilya Dryomov)]

On Wed, Sep 10, 2014 at 2:45 PM, Keith Phua <keith at science.nus.edu.sg> wrote:
> Hi Andrei,
>
> Thanks for the suggestion.
>
> But a rbd volume snapshots may only work if the filesystem is in a
> consistent state, which mean no IO during snapshotting.  With cronjob
> snapshotting, usually we have no control over client doing any IOs.  Having

xfs_freeze -f /mnt
<take a snapshot>
xfs_freeze -u /mnt

Thanks,

                Ilya