Re: [Xen-users] drbd non-live migration with drbd

[Martin GombaÄ <martin@xxxxxx>]

This is a question for Linbit or DRBD mailing list.
I can however tell you, that for live migration you have to have both 
resources mounted in primary (for at least short period of time).
For PV's this is possible using drbd OCF ra drbd instead of phy in Xen 
config, but has some catches related to outdating drbd.
For live migration of HVM, you have to have active/active or. 
promoted/promoted.
Regards,
M.

Aleksandar Ivanisevic wrote:
> Hi,
>
> I'm trying to achieve non-live migration with drbd using
> primary/secondary setup (not live primary/primary like everyone else,
> I think that the risk of running two domUs on a same drbd resource is
> too high)
>
> Is this possible? When I try migrating, the primary drbd device goes
> down to secondary mode but the destination device never goes to
> primary and as a result i get a locked-up domU.
>
> using centos5 x86_64 and xen 3.4.1 from www.gitco.de/linux but got the
> same results with stock xen on centos5 i386
>
>
>
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