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Re: [Xen-users] What is the best way to determine a domU is running?

To: Andy Smith <andy@xxxxxxxxxxxxxx>
Subject: Re: [Xen-users] What is the best way to determine a domU is running?
From: Nico Kadel-Garcia <nkadel@xxxxxxxxx>
Date: Tue, 21 Aug 2007 07:34:45 +0100
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Andy Smith wrote:
Hi,

On Wed, Aug 08, 2007 at 09:13:35AM +0200, Dominik Klein wrote:
I need a healthcheck for my domU.

Of course I could go "xm list|grep $dom" but that is pretty ugly. I could also ping my domain's IP but that tells me nothing about its state as a Xen domain.

So what is the suggested way to determine the domain status correctly?

Personally I care more about the services that my domUs are
providing than their state as Xen sees it.  So what is wrong with
monitoring them like you would services on any server, virtualised
or not?
That's what I do, with Nagios and MRTG.

I would like to have a graceful tool to publish web information about the Xen guests in a non-root-owned GUI. In particular, GUI's like the "virt-manager" on RedHat and Fedora Core can't tell when a domain is *down* that should be up, nor can they activate it.

Does anyone have tools for that that actually work? I've seen quite a few badly written different little GUI's, and haven't yet found a good one. (Robust, uses the actual existing configuration files, does not require local user account, etc.)

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