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<div class="moz-cite-prefix">On 02/16/2015 04:55 AM, Soeren Malchow
wrote:<br>
</div>
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cite="mid:687766E0007010429FBFF98CA7082488874329@mc-exch-01.mcon-group.net"
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<div class="WordSection1">
<p class="MsoNormal">Dear all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">we ahve a setup with
several hosts running fedora 10 with the virt-preview
packages installed (for snapshot live merge) and a hosted
engine running centos 6.6-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">We are experiencing a
problem with the Live Migration of the Hosted Engine, in the
case of setting the host for the Engine into maintenance as
well as a manual migration.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I tried this on the
“ovirtmgmt” network and when that failed I did some research
and tried to use another network interface (separate from
ovirtmgmt on layer 2), this also fails.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">It looks as if the
migration is still going through the ovirtmgmt interface, at
least judging from the network traffic, and I think the
error that I found (RHBZ#919201) is actually the right one.
<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US"> --<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">vdsm.log:Thread-6745::WARNING::2015-02-16
03:22:25,743::migration::458::vm.Vm::(monitor_migration)
vmId=`XXX`::Migration stalling: remaining (35MiB) >
lowmark (15MiB). Refer to RHBZ#919201.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">vdsm.log:Thread-6745::WARNING::2015-02-16
03:22:35,745::migration::458::vm.Vm::(monitor_migration)
vmId=`XXX`::Migration stalling: remaining (129MiB) >
lowmark (15MiB). Refer to RHBZ#919201.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">vdsm.log:Thread-6745::WARNING::2015-02-16
03:22:45,747::migration::458::vm.Vm::(monitor_migration)
vmId=`XXX`::Migration stalling: remaining (42MiB) >
lowmark (15MiB). Refer to RHBZ#919201.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">vdsm.log:Thread-6745::WARNING::2015-02-16
03:22:55,749::migration::458::vm.Vm::(monitor_migration)
vmId=`XXX`::Migration stalling: remaining (88MiB) >
lowmark (15MiB). Refer to RHBZ#919201.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">The
ovirtmgmt interface is 2 x 1Gbit (LACP connected to Dell
Switches with MLAG) and by far not fully utilized.<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">Can
anyone help me where to go form here ?</span></p>
</div>
</blockquote>
<br>
still need the whole log. probably the guest (engine) is doing lots
of memory i/o if you got a fair amount of running VMs and Hosts.
that will stalls the migration because <br>
the guest pages are getting dirty faster than qemu can copy.<br>
<br>
<br>
you have 2 options:<br>
<br>
1. try several more times.<br>
<br>
2. shutdown the engine vm, it should start on another host<br>
<br>
<blockquote
cite="mid:687766E0007010429FBFF98CA7082488874329@mc-exch-01.mcon-group.net"
type="cite">
<div class="WordSection1">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">Regards<o:p></o:p></span></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:12.0pt;font-family:"Times New
Roman",serif;mso-fareast-language:DE" lang="EN-US">Soeren
<o:p></o:p></span></p>
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