<div dir="ltr">That page specifically says you don't have to disable LRO if you are above 4.1 esxi and 8.6 CUCM.<div><br></div><div>Martin, which version of 5.5 are you on? GA, update 1 or 2? I recently ran into an issue with a customer on 5.5 u1 and too new of raid drivers on the card and had to downgrade the drivers. Wasn't causing 100% cpu, but very slow drive access times.</div><div><br></div><div>So checked your vmware version and compatibility on the hardware you are running.</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Nov 17, 2014 at 11:59 AM, Ryan Huff <span dir="ltr"><<a href="mailto:ryanhuff@outlook.com" target="_blank">ryanhuff@outlook.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div><div dir="ltr"><font style="font-size:12pt" size="3" face="Calibri"><span style="font-size:12pt"><span dir="ltr">Martin,<br>
<br>
Have you disabled Large Receive Offset (LRO) on all the Elastic Sky hosts? <a href="http://docwiki.cisco.com/wiki/Disable_LRO" target="_blank">http://docwiki.cisco.com/wiki/Disable_LRO</a><span class=""><br>
<br>
Thanks,<br>
<br>
Ryan Huff<br>
CCIE Collaboration (Written), CCNP Voice, CCNA Voice,<br>
CCNA Route & Switch, CCNA Wireless<br>
UCCX Specialist</span></span></span></font><br><br><div><hr>From: <a href="mailto:ms@bilobit.com" target="_blank">ms@bilobit.com</a><br>To: <a href="mailto:james.buchanan2@gmail.com" target="_blank">james.buchanan2@gmail.com</a><br>Date: Mon, 17 Nov 2014 18:06:51 +0000<br>CC: <a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><div><div class="h5"><br>Subject: Re: [cisco-voip] VMware 5.5<br><br>
<div>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US">So 5.5 is supported with CUCM 9.1.x
</span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US"> </span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US">So the question is: Why do I have CUCM at 100% CPU? Only hard reset helps at this point.</span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US"> </span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US">Thanks, Martin</span></p>
<p><span style="font-size:11.0pt;font-family:"Calibri","sans-serif"" lang="EN-US"> </span></p>
<div style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt">
<div>
<div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> James Buchanan [mailto:<a href="mailto:james.buchanan2@gmail.com" target="_blank">james.buchanan2@gmail.com</a>]
<br>
<b>Sent:</b> Monday, November 17, 2014 1:10 PM<br>
<b>To:</b> Martin Schmuker<br>
<b>Cc:</b> Cisco VoIP Mailing List<br>
<b>Subject:</b> Re: [cisco-voip] VMware 5.5</span></p>
</div>
</div>
<p> </p>
<div>
<p>Hello,<br>
<br>
Whenever you are looking for answers on UC virtualization, look here: <a href="http://docwiki.cisco.com/wiki/Virtualization_for_Cisco_Unified_Communications_Manager_%28CUCM%29" target="_blank">
http://docwiki.cisco.com/wiki/Virtualization_for_Cisco_Unified_Communications_Manager_%28CUCM%29</a><br>
<br>
Thanks,<br>
James</p>
</div>
<div>
<p> </p>
<div>
<p>On Mon, Nov 17, 2014 at 5:36 AM, Martin Schmuker <<a href="mailto:ms@bilobit.com" target="_blank">ms@bilobit.com</a>> wrote:</p>
<div>
<div>
<p>Guys,</p>
<p> </p>
<p><span lang="EN-US">since 3 weeks we are running our UC Environment (CUCM, Unity Cxn, IM&P) on ESXi 5.5. At Friday we setup new vCenter 5.5 and added the esx hosts.</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">Since saturday, all machines are stuck in 100% CPU after a few hours. Sometimes all machines at the *<b>same</b>* time! They don’t reply Ping (ICMP Echo), and
CPU is at 100%.</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">CUCM and Cxn are on 9.1(2)SU2a (9.1.2.12901-3).</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">Someone has any idea? Is 9.1.x not supported on vSphere 5.5?</span></p>
<p><span lang="EN-US"> </span></p>
<p><span lang="EN-US">Thanks, Martin</span></p>
</div>
</div>
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