we are having the exact same issue with windows 2008r2 server vm on an all aio install on physical sata drives using virtio drives. was not a migration though, installed the vm and drivers from scratch and randoly every 24 to 48 hours the cpu usage maxes out. can only be fixed with a shutdown and start.

thanks and regards,

grant pasley.
xtranet.

On 8/20/2015 10:45 AM, [email protected] wrote:
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Today's Topics:

    1. Re:  Servers Hang at 100% CPU On Migration
       (Chris Jones - BookIt.com Systems Administrator)
    2.  Servers Hang at 100% CPU On Migration
       (Chris Jones - BookIt.com Systems Administrator)
    3.  Change IP Address of Ovirt Engine (Phil Gersekowski)
    4. Re:  Ovirt/Gluster (Sander Hoentjen)


----------------------------------------------------------------------

Message: 1
Date: Wed, 19 Aug 2015 14:18:51 -0400
From: Chris Jones - BookIt.com Systems Administrator
        <[email protected]>
To: "[email protected]" <[email protected]>
Cc: "Jason Rottero - BookIt.com Systems Engineer"
        <[email protected]>,       "Kevin Gangi - BookIt.com Systems
        Administrator" <[email protected]>,     "Jete Okeeffe - BookIt.com
        Director of Production Systems"    <[email protected]>
Subject: Re: [ovirt-users] Servers Hang at 100% CPU On Migration
Message-ID: <[email protected]>
Content-Type: text/plain; charset="utf-8"; format=flowed

I forgot to mention that the vm have to be forcefully restarted when
this happens.

On 08/19/2015 02:15 PM, Chris Jones - BookIt.com Systems Administrator
wrote:
oVirt Node - 3.5 - 0.999.201504280931.el7.centos

When migrating servers using an iSCSI storage domain, about 75% of the
time they will become unresponsive and stuck at 100% CPU after
migration. This does not happen with direct LUNs, however.

What causes this? How do I stop it from happening?

Thanks


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