Re: [Xen-devel] Re: xen 4.0 testing - not check if disk is already in use by other domU on start

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, May 20, 2011 at 12:46:13AM -0700, Fantu wrote:
> Maybe i have posted the question in the wrong way.
> For example i have
> 
> squeeze1.cfg
> ------------
> name = "squeeze1"
> ...
> disk  = ['tap2:aio:/mnt/vm/disks/squeeze1.disk1.xm,xvda1,w',
> 'tap2:aio:/mnt/vm/disks/squeeze1.disk2.xm,xvda2,w']
> ------------
> 
> 
> squeeze2.cfg
> ------------
> name = "squeeze2"
> ...
> disk  = ['tap2:aio:/mnt/vm/disks/squeeze1.disk1.xm,xvda1,w',
> 'tap2:aio:/mnt/vm/disks/squeeze1.disk2.xm,xvda2,w']
> ------------
> 
> in squeeze2.cfg i forgot to change disk name from squeeze1 to squeeze2, and
> then started the 2 domUs:
> xm create squeeze1.cfg
> xm create squeeze2.cfg
> 
> domU squeeze2 starts even if squeeze1 domU was already active and running on
> the same disk file, logically i think that is wrong that there is no check,
> maybe I'm wrong?

Think of clusters of guests - where they share the same disk.

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