Re: Any way to snapshot or otherwise backup a running vm?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Thu, Oct 19, 2017 at 10:15:32AM +0200, Petr Topiarz wrote:
> Hi folks,
> 
> I use xen-project on NetBSD (host) and I look for a way to backup a running
> vm (various guests NetBSD, Linux, Windows).
> 
> What could work, but does not:
> - Commercial Xen-Server is a closed stuff which will not work on NetBSD, so
> no "xe" commands for snapshotting
> - LVM allows snapshotting, but this LVM feature is not implemented on NetBSD
> - ZFS is ported to NetBSD but snapshotting is not in production quality
> 
> Can anyone help me find a way to backup a running virtual machine such as
> production webserver or DNS server on NetBSD's Xen?

If you use file-backed virtual drives, you can snapshot the filesystem holding
these files. See fssconfig(8)

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--