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    I'm seeing it for a VM that most definitely does have the balloon
    driver installed. Care to take another guess?<br>
    <br>
    regards,<br>
    John<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 12/11/14 20:04, Amedeo Salvati
      wrote:<br>
    </div>
    <blockquote
      cite="mid:NEX57S$FF41F1ABF30BA1B34C2EA62F02151725@oscert.net"
      type="cite">
      <div class="xam_msg_class">
        <div style="font: normal 13px Arial; color:rgb(31, 28, 27);"><span
            dir="ltr" id="msgText_new_message_draft1415782711271_25745">you
            receive this error because on your cluster configurations
            you have checked "Enable Memory Balloon Optimization", and
            on some of your VMs there aren't balloon driver available;
            if you don't want anymore this warning messages you can
            uncheck this under <br>
            <br>
            Clusters -&gt; (select your cluster) edit -&gt; Optimization
            -&gt; uncheck Enable Memory Balloon Optimization<br>
            <br>
            Best Regards<br>
            Amedeo Salvati<br>
            <br>
            <br>
            Date: Wed, 12 Nov 2014 07:59:33 +0000<br>
            From: Karli Sj?berg <a class="moz-txt-link-rfc2396E" href="mailto:Karli.Sjoberg@slu.se">&lt;Karli.Sjoberg@slu.se&gt;</a><br>
            To: <a class="moz-txt-link-rfc2396E" href="mailto:tdemeter@itsmart.hu">"tdemeter@itsmart.hu"</a> <a class="moz-txt-link-rfc2396E" href="mailto:tdemeter@itsmart.hu">&lt;tdemeter@itsmart.hu&gt;</a><br>
            Cc: <a class="moz-txt-link-rfc2396E" href="mailto:users@ovirt.org">"users@ovirt.org"</a> <a class="moz-txt-link-rfc2396E" href="mailto:users@ovirt.org">&lt;users@ovirt.org&gt;</a><br>
            Subject: Re: [ovirt-users] Balloon driver unavailable<br>
            Message-ID:
            &lt;5F9E965F5A80BC468BE5F40576769F099DF97243@exchange2-1&gt;<br>
            Content-Type: text/plain; charset="utf-8"<br>
            <br>
            On Wed, 2014-11-12 at 08:35 +0100, Demeter Tibor wrote:<br>
            &gt; Hi,<br>
            &gt; <br>
            &gt; <br>
            &gt; I have a lot of centos 6 based vms and I have install
            "ovirt guest<br>
            &gt; agent" for those vms. <br>
            &gt; But two vm always say "The balloon driver on xxxvm on
            hostX is<br>
            &gt; requested but unavailable"<br>
            &gt; I did check the virtio_balloon module are loaded on
            vms.<br>
            &gt; <br>
            &gt; <br>
            &gt; Anybody can me help?<br>
            &gt; <br>
            &gt; <br>
            &gt; Thanks in advance<br>
            &gt; <br>
            &gt; <br>
            &gt; Tibor<br>
            <br>
            &gt; I see that too, but only on Windows 2008 R2 guests...
            No one else ever<br>
            &gt; said anything about it, so I thought it was just me:)<br>
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