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Re: [Xen-devel] Trace Disk I/O per guest domain!

To: Ata Bohra <ata.husain@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Trace Disk I/O per guest domain!
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Mon, 31 Aug 2009 22:09:44 +0300
Cc: Xen developer <xen-devel@xxxxxxxxxxxxxxxxxxx>
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On Tue, Sep 01, 2009 at 12:19:33AM +0530, Ata Bohra wrote:
> Dear All, 
> I am trying to trace all the disk I/O accesses made by the xen guest domains 
> to dom0 domain. I would request for critics or comments in doing the same. 
> Its easy to run "iostat -x" on all domains and dom0 to get the disk i/o 
> utilization stats, but I am just looking if there can be any other way than 
> running this utility in all domUs but using simply dom0 to get all guest 
> domain stats along with dom0 accesses (different from domUs) also. 

Use LVM volumes for domU disks in dom0, and then use iostat in dom0?

-- Pasi

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