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Re: [Xen-users] How to wait for a destroying domU?

To: Amos Shapira <amos.shapira@xxxxxxxxx>
Subject: Re: [Xen-users] How to wait for a destroying domU?
From: Robert Read <rread@xxxxxxxxxxxxx>
Date: Thu, 17 Jul 2008 14:03:23 -0700
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On Jul 17, 2008, at 05:18 , Amos Shapira wrote:

Hello,

I have a script for auto-reuild of CentOS 5 DomU's (on top of CentOS 5
Dom0) and basically what it does is:

xm destroy $domain
sleep 2
lvremove ...$domain's LV

Sometimes, the domain doesn't destroy within 2 second and the script fails.
I added tests to check that the domain is destroyed before the
lvremove but was wondering whether there is a more elegant way to just
run a command that will exit when the domain is no longer alive.

Is there?

Well, you easily make a command out of something like this:

   while xenstore-exists /local/domain/$DOMID/vm ; do sleep 1; done

cheers,
robert

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