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Re: [Xen-users] Fixing Domain ID for DomU

To: "Antti Kanes" <antti.kanes@xxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Fixing Domain ID for DomU
From: "Nick Couchman" <Nick.Couchman@xxxxxxxxx>
Date: Thu, 24 Sep 2009 14:35:05 -0600
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>>> On 2009/09/24 at 08:12, Antti Kanes <antti.kanes@xxxxxxxx> wrote:
> Hi,
> This is probably a simple thing to fix, but I just haven't found the  
> solution (or the reason to this behavior):
> When a domU is restarted (shutdown + start or shutdown + create) a new  
> domain id is always assigned to it.
> Can the domain id be fixed and if so, how? (And if not, why not?)
> It'd make life much easier with monitoring, say, vif interfaces if  
> they'd stay the same after a reboot of a domU.
> I'm running Xen 3.2-1.
> Cheers,
>    Antti Kanes

No, you cannot fix the domain ID - this is an auto-incrementing number that Xen 
assigns at each start.  You should be able to use the information in xenstore 
to monitor interfaces via the domain name instead of the domain ID.


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