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Re: [Xen-users] DRBD and XEN on Centos5.5

To: Simon Billis <simon@xxxxxxxxxx>
Subject: Re: [Xen-users] DRBD and XEN on Centos5.5
From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date: Mon, 9 Aug 2010 22:06:07 +0700
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On Mon, Aug 9, 2010 at 9:53 PM, Simon Billis <simon@xxxxxxxxxx> wrote:
> I have also managed to live migrate the domain by promoting to primary the
> drbd resource on the destination server and then issuing the standard xm
> migrate -l DomU destination command. The (in my case) pvm migrated over
> seamlessly and without any problems. The promotion to primary has to be
> manually done i.e. drbdadm primary "drbdresource" on the destination host.

The main advantage of using drbd: (if it works) is that it should take
care of making resources primary as necessary. If you do it manually
anyway, simply use primary on both with phy:/dev/drbd/by-res/


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