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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thanks for the info.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">From what I understand, if we are running less than Juno, the hw guest agent feature/fsfreeze is not fully functional even with the
appropriate flags on the image.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I’ll keep an eye on the upcoming features before advertising this for the end users.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Tim<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Yaguang Tang [mailto:heut2008@gmail.com]
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<b>Sent:</b> 04 January 2015 05:44<br>
<b>To:</b> Tim Bell<br>
<b>Cc:</b> openstack@lists.openstack.org<br>
<b>Subject:</b> Re: [Openstack] Guest agent and fsfreeze<o:p></o:p></span></p>
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<p class="MsoNormal">This feature is being added during Kilo, <a href="https://blueprints.launchpad.net/nova/+spec/quiesced-image-snapshots-with-qemu-guest-agent">https://blueprints.launchpad.net/nova/+spec/quiesced-image-snapshots-with-qemu-guest-agent</a>,
so if you want to test it, it's better to use devstack with trunk, <o:p></o:p></p>
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<p class="MsoNormal">there are some requirements:<o:p></o:p></p>
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<p class="MsoNormal">1. libvirt >=1.2.5<o:p></o:p></p>
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<p class="MsoNormal">2. <span style="font-size:9.0pt;color:black">os_require_quiesce=yes need to be set as image property</span><o:p></o:p></p>
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<p class="MsoNormal">Note that so far only support instances booted from glance images, instances booted from<o:p></o:p></p>
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<p class="MsoNormal">volume for this feature is working in progress <a href="https://review.openstack.org/#/c/138795/">https://review.openstack.org/#/c/138795/</a>.<o:p></o:p></p>
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<p class="MsoNormal">Related wiki <a href="https://wiki.openstack.org/wiki/Cinder/QuiescedSnapshotWithQemuGuestAgent">https://wiki.openstack.org/wiki/Cinder/QuiescedSnapshotWithQemuGuestAgent</a><o:p></o:p></p>
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<p class="MsoNormal">On Sat, Jan 3, 2015 at 4:30 AM, Tim Bell <<a href="mailto:Tim.Bell@cern.ch" target="_blank">Tim.Bell@cern.ch</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I'm trying to get the guest agent working on OpenStack.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I have enabled the guest agent using the property<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">| Property 'hw_qemu_guest_agent' | yes |<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The VM has the qemu guest agent installed<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">$ rpm -qa | grep guest<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">qemu-guest-agent-1.5.3-60.el7_0.11.x86_64<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The service has been started<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">/bin/systemctl status qemu-guest-agent.service<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">qemu-guest-agent.service - QEMU Guest Agent Loaded: loaded (/usr/lib/systemd/system/qemu-guest-agent.service; static)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Active: active (running) since Sun 2014-12-21 17:45:32 CET; 18h ago<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Main PID: 1066 (qemu-ga) CGroup: /system.slice/qemu-guest-agent.service └─1066 /usr/bin/qemu-ga --method=virtio-serial --path=/dev/virtio-ports/org.qemu.guest_agent.0 --bla...<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Dec 21 17:45:32 timhwag144 systemd[1]: Started QEMU Guest Agent.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">However, when I run the nova image-create command, I do not get any entry in /var/log/qemu-ga to show that fsfreeze has been run.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Any suggestions ? I could not find any documentation on how to do fsfreeze with QEMU GA other than the blueprints implementing the function.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888"> <o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#888888">Tim<o:p></o:p></span></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">Tang Yaguang<o:p></o:p></p>
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