Re: [linux-lvm] snapshot an lvm disk containing ext4 partitions

[Alexis Pellicier <alexis.pellicier@nds.k12.tr>]

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And theire is no risk to lose data?
Le 24 mai 2013 21:45, "Jacek Konieczny" <jajcus@jajcus.net> a écrit :

> On Thu, 23 May 2013 09:31:23 +0300
> Alexis <alexis.pellicier@nds.k12.tr> wrote:
> > Hello,
> >
> > I was use to snapshot an LVM volume containing ext4 partitions for
> > backup purpose. This is a disk for Xen DomU paravirtualized linux box.
> >
> > With lvm-2.02.98 and kernel  3.4.11 from opensuse 12.2 the ext4
> > partitions inside  the snapshot were clean.
> >
> > Now I've upgraded to opensuse 12.3 (kernel 3.7.10 lvm-2.02.98)
> >
> > Is lvm supposed to keep my inside ext4 partitions clean when
> > snapshotting my volume? If not is theire any way of doing this?
>
> Use read-write snapshots instead of read-only ones.
>
> The first time you mount the snapshot (read-only mount is enough)
> the journal will get replayed and the stored file-system will become
> clean.
>
> Greets,
>         Jacek
>

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