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<p>Hi,</p>
<p>The migration is working fine with Cluster Switch set to "Legacy"
Mode.<br>
</p>
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<p style="margin-bottom: 0cm">But I have run into a different
problem. Yesterday, for some reason, I had to restart the hosts.
But the Hosts never came online. Hosts were constantly in Non
Responsive state. I manually fenced it, and Vds command timed
out.</p>
<p style="margin-bottom: 0cm">I found that NIC was down for some
reason. I brought it up and again fenced the hosts. Again the
Vds command timed out. I manually attempted to restart the VDSM
service, but host reported there is no such service. Starting
VDSMD service resulted in failure. <br>
</p>
<p style="margin-bottom: 0cm">Finally, I had to forcefully remove
the hosts, reinstalled base (CentOS 7) on hosts and re-added
them to oVirt with the storage domain intact. All hosts, storage
domains went online and all VMs were intact.</p>
<p style="margin-bottom: 0cm">Post reinstallation, I set the
Cluster Switch mode to "Legacy" and tried migration and it
worked fine.<br>
</p>
<p style="margin-bottom: 0cm">I fail to understand what went wrong
while rebooting the hosts.<br>
</p>
<p>-- </p>
<p style="margin-bottom: 0cm; line-height: 100%"><font face="Times
New Roman, serif">Thanks
& Regards,</font></p>
<p style="margin-bottom: 0cm; line-height: 100%"><br>
</p>
<address style="line-height: 100%"><font face="Times New Roman,
serif">Anantha
Raghava</font></address>
<address style="line-height: 100%"><font face="Times New Roman,
serif">eXza
Technology Consulting & Services</font></address>
<font color="#66cc00"><font face="Times New Roman, serif"><br>
Do
not print this e-mail unless required. Save Paper & trees.</font></font>
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<div class="moz-cite-prefix">On Friday 26 August 2016 10:12 PM,
Anantha Raghava wrote:<br>
</div>
<blockquote
cite="mid:ea203138-3169-7211-b306-66d82e9bc7a0@exzatechconsulting.com"
type="cite">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<p>Hi,</p>
<p>Then, I will switch the cluster switch type back to Legacy and
then try to migrate. Will post the results here.</p>
<p>Any other suggestions?<br>
</p>
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<p>-- </p>
<p style="margin-bottom: 0cm; line-height: 100%"><font
face="Times New Roman, serif">Thanks & Regards,</font></p>
<p style="margin-bottom: 0cm; line-height: 100%"><br>
</p>
<address style="line-height: 100%"><font face="Times New Roman,
serif">Anantha Raghava</font></address>
<address style="line-height: 100%"><font face="Times New Roman,
serif">eXza Technology Consulting & Services</font></address>
<br>
<p style="margin-bottom: 0cm; line-height: 100%"><br>
</p>
<p style="margin-bottom: 0cm; line-height: 100%"><font
color="#66cc00"><font face="Times New Roman, serif">Do not
print this e-mail unless required. Save Paper & trees.</font></font></p>
</div>
<div class="moz-cite-prefix">On Friday 26 August 2016 09:58 PM,
Yaniv Dary wrote:<br>
</div>
<blockquote
cite="mid:CACKMAy8yvBUnJGrEtWXkP_VH=7vE+sC8pAQoKm3v0b0ZYi_jwg@mail.gmail.com"
type="cite">
<div dir="ltr">OVS is experimental and there is a open item on
making migration work:
<div><a moz-do-not-send="true"
href="https://bugzilla.redhat.com/show_bug.cgi?id=1362495">https://bugzilla.redhat.com/show_bug.cgi?id=1362495</a> </div>
</div>
<div class="gmail_extra"><br clear="all">
<div>
<div class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<pre cols="72"><span style="font-family:arial,helvetica,sans-serif">Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : +972 (9) 7692306
8272306
Email: <a moz-do-not-send="true" href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a>
IRC : ydary</span></pre>
</div>
</div>
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</div>
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<br>
<div class="gmail_quote">On Fri, Aug 26, 2016 at 11:25 AM,
Anantha Raghava <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:raghav@exzatechconsulting.com"
target="_blank">raghav@exzatechconsulting.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p><font face="Liberation Serif">Hi,</font></p>
<p><font face="Liberation Serif">Not at all.</font></p>
<p><font face="Liberation Serif">Just newly created
Virtual Machine. No user is accessing the VM yet.
Only Ubuntu Trusty Tahr (14.04) OS with oVirt Guest
Agent is installed. VM and both hosts are in the
same network as well. <br>
</font></p>
<p><font face="Liberation Serif">Applied migration
policy is "Minimum Downtime". Bandwidth limit is set
to Auto. Cluster switch is set to "OVS" I can send
the screen shot tomorrow. <br>
</font></p>
<p><font face="Liberation Serif">Host Hardware
configuration. Intel Xeon CPU, 2 Socket X 16 Core in
each socket. Installed Memory is 256 GB on each
host. I have 4 X 10Gbps NIC, 2 given for VM traffic
and 2 given for iSCSI traffic. oVirt Management is
on a separate 1 X 1Gbps NIC.</font></p>
<p><font face="Liberation Serif">Yet, migration fails.</font><br>
</p>
<div>
<p>-- </p>
<p style="margin-bottom:0cm;line-height:100%"><font
face="Times New Roman, serif">Thanks &
Regards,</font></p>
<p style="margin-bottom:0cm;line-height:100%"><br>
</p>
<address style="line-height:100%"><font face="Times
New Roman, serif">Anantha Raghava</font></address>
<address style="line-height:100%"><font face="Times
New Roman, serif">eXza Technology Consulting &
Services<br>
<br>
</font></address>
<font color="#66cc00"><font face="Times New Roman,
serif">Do not print this e-mail unless required.
Save Paper & trees.</font></font> </div>
<div>
<div class="h5">
<div>On Friday 26 August 2016 09:31 PM, Yaniv Dary
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Is the VM very busy?
<div>Did you apply the new cluster migration
policies?</div>
</div>
<div class="gmail_extra"><br clear="all">
<div>
<div data-smartmail="gmail_signature">
<div dir="ltr">
<div>
<div dir="ltr">
<pre cols="72"><span style="font-family:arial,helvetica,sans-serif">Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109
Tel : <a moz-do-not-send="true" href="tel:%2B972%20%289%29%207692306" value="+97297692306" target="_blank">+972 (9) 7692306</a>
8272306
Email: <a moz-do-not-send="true" href="mailto:ydary@redhat.com" target="_blank">ydary@redhat.com</a>
IRC : ydary</span></pre>
</div>
</div>
</div>
</div>
</div>
<br>
<div class="gmail_quote">On Fri, Aug 26, 2016 at
1:54 AM, Anantha Raghava <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:raghav@exzatechconsulting.com"
target="_blank">raghav@exzatechconsulting.com</a><wbr>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0 0 0 .8ex;border-left:1px
#ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<p><font face="Liberation Serif">Hi,</font></p>
<p><font face="Liberation Serif">In our
setup we have configured two hosts,
both of same CPU type, same amount of
memory and Master storage domain is
created on iSCSI storage and is live.</font></p>
<p><font face="Liberation Serif">I created
a single VM with Ubuntu Trusty as OS.
It installed properly and when I
attempted to migrate the running VM,
the migration failed. <br>
</font></p>
<p><font face="Liberation Serif">Engine
log, Host 1 log and Host 2 logs are
attached for your reference. Since
logs are running into several MBs, I
have compressed them and attached
here.<br>
</font></p>
<p><font face="Liberation Serif">Can
someone help us to solve this issue?</font><br>
</p>
<br>
<div>--
<p
style="margin-bottom:0cm;line-height:100%"><font
face="Times New Roman, serif">Thanks
& Regards,</font></p>
<address style="line-height:100%"><font
face="Times New Roman, serif">Anantha
Raghava</font></address>
<br>
</div>
</div>
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