[PVE-User] pve-csync version of pve-zsync?

Mark Adams mark at openvs.co.uk
Mon Mar 12 17:51:32 CET 2018


Hi Alwin,

The last I looked at it, rbd mirror only worked if you had different
cluster names. Tried to get it working with proxmox but to no avail,
without really messing with how proxmox uses ceph I'm not sure it's
feasible, as proxmox assumes the default cluster name for everything...

Also the documentation was a bit poor for it IMO.

Would also be nice to choose specifically which VM's you want to be
mirroring, rather than the whole cluster.

I've manually done rbd export-diff and rbd import-diff between 2 separate
proxmox clusters over ssh, and it seems to work really well... It would
just be nice to have a tool like pve-zsync so I don't have to write some
script myself. Seems to me like something that would be desirable as part
of proxmox as well?

Cheers,
Mark

On 12 March 2018 at 16:37, Alwin Antreich <a.antreich at proxmox.com> wrote:

> Hi Mark,
>
> On Mon, Mar 12, 2018 at 03:49:42PM +0000, Mark Adams wrote:
> > Hi All,
> >
> > Has anyone looked at or thought of making a version of pve-zsync for
> ceph?
> >
> > This would be great for DR scenarios...
> >
> > How easy do you think this would be to do? I imagine it wouId it be quite
> > similar to pve-zsync, but using rbd export-diff and rbd import-diff
> instead
> > of zfs send and zfs receive? so could the existing script be relatively
> > easily modified? (I know nothing about perl....)
> >
> > Cheers,
> > Mark
> > _______________________________________________
> > pve-user mailing list
> > pve-user at pve.proxmox.com
> > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> Isn't ceph mirror already what you want? It can mirror a image or a
> whole pool. It keeps track of changes and serves remote image deletes
> (adjustable delay).
>
>
> --
> Cheers,
> Alwin
>
> _______________________________________________
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> pve-user at pve.proxmox.com
> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user


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