6:12 a.m.
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On 02/16/2015 04:55 AM, Soeren Malchow wrote:
Dear all,
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-
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.
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.
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.
--
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.
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.
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.
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.
--
The ovirtmgmt interface is 2 x 1Gbit (LACP connected to Dell Switches
with MLAG) and by far not fully utilized.
Can anyone help me where to go form here ?
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
the guest pages are getting dirty faster than qemu can copy.
you have 2 options:
1. try several more times.
2. shutdown the engine vm, it should start on another host
Regards
Soeren
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
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<div class="moz-cite-prefix">On 02/16/2015 04:55 AM, Soeren Malchow
wrote:<br>
</div>
<blockquote
cite="mid:687766E0007010429FBFF98CA7082488874329@mc-exch-01.mcon-group.net"
type="cite">
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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>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
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</pre>
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