Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
What makes HVM requisite? Regarding backups, I think the approach depends on VBD's type/nature. All best! Boyko On May 10, 2011, at 6:20 PM, Bart Coninckx wrote: > Hi Boyko, > > HVM is a requisite I'm afraid, that's the reason why I can't the drbd block script. > > OK, thank you, I will it this way. There is then still the question about how to backup, but I will create a new post for that. > > thx, > > B. > > > > On 05/10/11 17:15, Boyko Yordanov wrote: >> Hi, >> >> For live migration use PV DomUs and Xen's drbd block script - it automatically switches primary/secondary states on both domUs while migrating. >> >> Anyway yes, its that simple - two primaries and live migration works. >> >> Note: I've been having some issues (crashes) with centos xen kernel and drbd 8.3.10 - don't have the time to investigate further. >> >> Boyko >> >> On May 10, 2011, at 6:05 PM, Bart Coninckx wrote: >> >>> Hi, >>> >>> I want to combine all the above mentioned technologies. >>> >>> The Linbit pages warn not to use the drbd: VBD with HVM DomUs. >>> >>> This page however: >>> >>> http://publications.jbfavre.org/virtualisation/cluster-xen-corosync-pacemaker-drbd-ocfs2.en >>> >>> (thank you Jean), simply puts two DRBD devices in dual primary mode and starts Xen DomUs while pointing to the DRBD devices with phy: in the DomU config files. >>> Live migration and HVM seem possible. >>> >>> Is it as simple as Jean describes it? What is the advantage then of the drbd: VBD? Just seeing to it that the dual primary is available (which is handled on Jean's Howto by Pacemaker)? >>> >>> >>> Thx! >>> >>> >>> B. >>