[DRBD-user] Using DRBD for Backup and Cheap SAN ?

Lars Ellenberg lars.ellenberg at linbit.com
Mon Sep 10 14:52:56 CEST 2007

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Mon, Sep 10, 2007 at 08:25:45AM +0200, Dominik Klein wrote:
> >It all should rock, I just read that I even can live-migrate my
> >xen-domains from one server to the other with drbd 8.0.6..
> If I understand this correctly, this is possible if the domU uses a drbd 
> device directly.
> If I understand *you* correctly, you want to use an LVM on a DRBD 
> device. I'm not sure if it would work this was.
> >Instead I will have 3 xen-dom0 Servers and each of them drbd-
> >replicates their vms to another xen-server and so I should
> >be able to migrate or boot a xen-vm on another server, regardless
> >of which server just has a problem, should be raplaced and so on.
> If you let Xen do the DRBD work and setup heartbeat to manage the Xen 
> domUs, you can achieven high available Xen domains. You can even 
> live-migrate using Linux-HA with Xen and DRBD.
> A setup like that is running really nicely here. Feel free to contact me 
> off-list if you want additional information.

on-list is fine, too.
drbd + virtualisation interoperability is an apropriate topic
for this list, I think, and probably interessting to a lot of people.

: Lars Ellenberg                            Tel +43-1-8178292-0  :
: LINBIT Information Technologies GmbH      Fax +43-1-8178292-82 :
: Vivenotgasse 48, A-1120 Vienna/Europe    http://www.linbit.com :
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