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Don’t confuse the Unity Connection and UCM specs.
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<div class=""><a href="http://www.cisco.com/web/software/283088407/108296/cucm_10.0_vmv8_v1.7.ova.README.txt" class="">http://www.cisco.com/web/software/283088407/108296/cucm_10.0_vmv8_v1.7.ova.README.txt</a></div>
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<div class="">The 2500-user 1 vCPU spec is for the non-“Restricted Perf CPUs” (<a href="http://docwiki.cisco.com/wiki/UC_Virtualization_Supported_Hardware#Processors_.2F_CPUs" class="">http://docwiki.cisco.com/wiki/UC_Virtualization_Supported_Hardware#Processors_.2F_CPUs</a>)
only usesa n 800MHz reservation.</div>
<div class="">If you are adding another vCPU I’d have no qualms doubling that reservation. Note that the 7500-user spec uses 2 vCPUs with a 3600 MHz reservation.</div>
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<div class="">-Ryan </div>
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<div class="">On Feb 24, 2015, at 11:54 AM, Anthony Holloway <<a href="mailto:avholloway+cisco-voip@gmail.com" class="">avholloway+cisco-voip@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">Great technical point there Dan. I did mean cores and not sockets. This conversation has me now wondering about the need to adjust the CPU reservation in MHz under Resources > CPU.<br class="">
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<div class="">In the 10.5 OVA it lists the following for the 5000 device option:</div>
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<pre style="line-height: normal; word-wrap: break-word; white-space: pre-wrap;" class="">The 5000 user node
Cisco Unity Connection (CUC) configuration that supports up to
5000 users per node.
Details:
- Number of virtual CPUs: 2
- For Xeon 5600 and 7500 processors - minimum of 2.53 GHz each (5.06 GHz reserved or
- For Xeon E7 processors - minimum of 2.4 GHz each (4.8 GHz reserved)
- Amount of RAM: 6 GB
- Hard disks: 1 x 200 GB (contains aligned partitions for CUC application)
- OS support: Red Hat Enterprise Linux 6 (64-bit)</pre>
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<div class="">Source: <a href="http://www.cisco.com/web/software/282074348/113178/CUC_10.5_vmv8_v1.5.ova.README.txt" target="_blank" class="">http://www.cisco.com/web/software/282074348/113178/CUC_10.5_vmv8_v1.5.ova.README.txt</a></div>
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<div class="">So, would one be expected to adjust the following setting to 5.06GHz or 4.8GHz? Or simply leave it be?</div>
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<div class="gmail_quote">On Tue Feb 24 2015 at 10:23:48 AM Daniel Pagan <<a href="mailto:dpagan@fidelus.com" target="_blank" class="">dpagan@fidelus.com</a>> wrote:<br class="">
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(64,64,64)" class="">Just to add to Anthony’s email, I suggest making sure to add to the vCPU socket count, not number of vCPU cores per socket. Also note that you can
increase your vCPU socket count but should *<b class="">not</b>* decrease it – this is not supported.<u class=""></u><u class=""></u></span></p>
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<p class="MsoNormal"><span style="font-size:11pt;font-family:Calibri,sans-serif;color:rgb(64,64,64)" class="">- Dan<u class=""></u><u class=""></u></span></p>
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<p class="MsoNormal"><b class=""><span style="font-size:11pt;font-family:Calibri,sans-serif" class="">From:</span></b><span style="font-size:11pt;font-family:Calibri,sans-serif" class=""> cisco-voip [mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank" class="">cisco-voip-bounces@<u class=""></u>puck.nether.net</a>]
<b class="">On Behalf Of </b>Anthony Holloway<br class="">
<b class="">Sent:</b> Monday, February 23, 2015 6:51 PM<br class="">
<b class="">To:</b> Claiton Campos; <a href="mailto:cisco-voip@puck.nether.net" target="_blank" class="">
cisco-voip@puck.nether.net</a><br class="">
<b class="">Subject:</b> Re: [cisco-voip] Add new vCPU of CUCM server<u class=""></u><u class=""></u></span></p>
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<p class="MsoNormal">Yes. You would need to shutdown the VM first, and then just add the new vCPU count under Edit Settings of the VM. It's the disks which you cannot simply increase from within VMWare.<u class=""></u><u class=""></u></p>
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<p class="MsoNormal"><span style="font-size:10pt" class="">This is something I did recently during an upgrade of CUCM from 8x to 10x on a C210M2 which was using the 2500 user OVA.</span><u class=""></u><u class=""></u></p>
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<p class="MsoNormal"><span style="font-size:10pt" class="">This is what I read which prompted me to change mine:</span><u class=""></u><u class=""></u></p>
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<p class="MsoNormal">“The 2500 user VM configuration with one vcpu may exhibit performance issues during CPU/IO-intensive operations (such as installs, upgrades, backups and CDR writes), or if your deployment has certain characteristics such as a large quantity
of TFTP files. Changing the VM config to 2 vcpu is recommended as a prevention strategy.”<u class=""></u><u class=""></u></p>
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<p class="MsoNormal">Source: <span style="font-size:10pt" class=""><a href="http://docwiki.cisco.com/wiki/Virtualization_for_Cisco_Unified_Communications_Manager_(CUCM)#Notes_on_2500_user_VM_configurations" target="_blank" class="">http://docwiki.cisco.<u class=""></u>com/wiki/Virtualization_for_<u class=""></u>Cisco_Unified_Communications_<u class=""></u>Manager_(CUCM)#Notes_on_2500_<u class=""></u>user_VM_configurations</a></span><u class=""></u><u class=""></u></p>
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<p class="MsoNormal">On Mon Feb 23 2015 at 5:42:14 PM Claiton Campos <<a href="mailto:claitoncampos@gmail.com" target="_blank" class="">claitoncampos@gmail.com</a>> wrote:<u class=""></u><u class=""></u></p>
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<pre style="white-space:pre-wrap;word-wrap:break-word;min-height:240px;overflow:hidden;font-size:16px!important;line-height:24px!important" class=""><span class="">Hello , someone has come to change the amount of vCPU a CUCM server in production? Recently 'm having problems with high throughput publisher server and as directed by the TAC is suggested to add a new vCPU to the server. My question is whether the server recognizes this new vCPU .<u class=""></u><u class=""></u></span></pre>
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