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<div>Just make sure you have a good DRS of the publisher so that if anything happens all you have to do is reinstall the VM and restore the backup. Unless you’ve multi-purposed the Pub (with TFTP, etc.) then it’s just the configuration databases that gets pushed
realtime to the subs so if it fails operations will continue.</div>
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<div style="color: rgb(0, 0, 0);">Hank</div>
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<span style="font-weight:bold">From: </span>Brian Meade<br>
<span style="font-weight:bold">Date: </span>Friday, March 20, 2015 at 10:15<br>
<span style="font-weight:bold">To: </span>Ahmed Abd EL-Rahman<br>
<span style="font-weight:bold">Cc: </span>"<a href="mailto:cisco-voip@puck.nether.net">cisco-voip@puck.nether.net</a>"<br>
<span style="font-weight:bold">Subject: </span>Re: [cisco-voip] CUCM Cluster Redundancy<br>
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<div dir="ltr">Ahmed,
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<div>I don't think this is a good route to go. Really you should have no dependence on the publisher besides configuration updates so it shouldn't be anything that affects operation.</div>
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<div>I would be concerned that the subscribers would have a more updated version of the database than the cold-standby publisher.</div>
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<div>Brian</div>
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<div class="gmail_quote">On Fri, Mar 20, 2015 at 10:03 AM, Ahmed Abd EL-Rahman <span dir="ltr">
<<a href="mailto:Ahmed.Rahman@bmbgroup.com" target="_blank">Ahmed.Rahman@bmbgroup.com</a>></span> wrote:<br>
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<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;">Hi All,<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;"> I have a UC cluster
</span><span style="font-size: 9pt; font-family: Tahoma, sans-serif;">V10.5</span><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;"> on 2 UCS Blade servers having 1 Pub and 4 Subs, and I’d like to ask if there is any need or benefit
from having a cold standby virtual machine for the Pub server (a replicated VM for the Pub which is turned off to backup Pub functionality in case of Pub failure), and also if the license will be valid on this cold standby VM for the Pub so that if the main
Pub fails and we turned on the cold standby Pub VM everything will be fine and the operation continues normally.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;">Waiting your feedback.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: black;"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: rgb(56, 62, 76);">Best Regards<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family: Verdana, sans-serif; color: rgb(31, 73, 125);"> </span><span style="font-family: Verdana, sans-serif; color: black;"><u></u><u></u></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-family: 'Verdana Bold', serif; color: rgb(56, 62, 76);">Ahmed Abd EL-Rahman<u></u><u></u></span></p>
<p class="MsoNormal" style="margin-bottom:1.0pt"><span style="font-size: 10pt; font-family: Verdana, sans-serif; color: rgb(56, 62, 76);">Senior Network Engineer</span><span style="color:black"><u></u><u></u></span></p>
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