[lxc-users] lxc 1.0.6 / lvm / snapshot and clone

[Marco]

Hi,

On 13 febbraio 2015 04:31, Fajar A. Nugraha <list at fajar.net> wrote:

> On Thu, Feb 12, 2015 at 12:26 AM, Marco <foobar.angus at gmail.com> wrote:
> > Hi,
> > I've some questions for which I couldn't find good answers online and I'd
> > like your suggestions.
> >
> > OS: Linux/Debian 8 Jessie
> > LXC: 1.0.6-6
> > Backing store: LVM
> >
> > It seems that snapshot clones cannot be done online :
> > "lxc-clone -s"  require the original container to be stopped!
> > i.e. : << lxc_container: error: Original container (lxc1) is running >>
> > It actually works when I lxc-stop the container.
> > ==>This means I cannot do a snapshot of a live container.
> > Does this depends on LVM or the same apply for btrfs and zfs?
> > BTW, all the online examples I've found regarding "lxc-clone -s" seems to
> > assume online clone snapshotting !
> >
>
> Can you explain what you're trying to achieve?
>
> On zfs backend, lxc-snapshot pretty much does zfs snapshot-clone, and
> then modifies the necessary lxc config files. If you're ONLY looking
> for somekind of ONLINE snapshot of the STORAGE, and don't really care
> about running state, then doing storage-level snapshot directly should
> be more appropriate for you.
>

Yes, you are right.


> If you're looking for vmware/virtualbox-like snapshot where the
> in-memory state is also preserved, then this is not for you.
>
>
Yes, I actually was looking for something that consistently saved the
memory and disk of the container.
Thanks.

-- Marco
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