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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Just on#1 and 2 because I happened to just be building 2 CCX servers today, it did configure itself.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA<br>
Network Engineer<br>
Direct Voice: 443.541.1518</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><br>
<br>
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Anthony Holloway<br>
<b>Sent:</b> Tuesday, April 11, 2017 2:29 PM<br>
<b>To:</b> Abhiram Kramadhati (akramadh) <akramadh@cisco.com>; Nick Britt <nickolasjbritt@gmail.com><br>
<b>Cc:</b> Cisco VoIP Group <cisco-voip@puck.nether.net><br>
<b>Subject:</b> Re: [cisco-voip] UCCX HA and CUIC Historical Data Source<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I do appreciate the follow up, but I have a bone to pick here...actually, a few. First, I was not in a situation where datasources were pointing at each other, I did have them pointing to a single node. And that's where failover failed
me. I had both nodes pointing at the default Node 1, which was my Master, and when failover happened, reporting was down.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">1) Where in the documentation does it say to reconfigure the datasource to point to the non-master node when deploying HA?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">2) Why doesn't it configure itself?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">3) Why doesn't it update itself like LiveData does?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">4) Why can't we use the secondary source tab to populate both nodes?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">5) What if I don't want all my reporting traffic traversing the WAN in HAoW deployments? I.e., My Mast is located where most of my Agent and Supervisors are, and I want reporting to stay local to them. The
HA node is there just in case of a datacenter failure.<o:p></o:p></p>
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<p class="MsoNormal">On Tue, Apr 11, 2017 at 3:03 AM Abhiram Kramadhati (akramadh) <<a href="mailto:akramadh@cisco.com">akramadh@cisco.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Hi guys,
</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">So, here is the expected behavior and we are taking 11.5 as reference:
</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Historical datasource:</span></u></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">The historical datasource on either node should always point to the non-master Node. So, assume
N1 is the master. CUIC on N1 should be pointing to N2 datasource host and CUIC on N2 should be pointing to N2 datasource host. Also, unlike older versions we don’t redirect users to the secondary UCCX IP to login to run reports. You can login to any node CUIC
and run the report, but the datsource host should be the secondary server. </span>
</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">However, we have seen cases where the nodes point to each other: N1 pointing to N2 (expected),
N2 pointing to N1 (problem). This is opened as a defect and we are investigating why this can happen and I am guessing that’s what has happened in Anthony’s case in the original email thread.
<u> </u></span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">CSCvd22513 is the defectID for your reference. I will share more information on the outcome
of the investigation. </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><u><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">LiveData:</span></u></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">This is always pointing to the local node by default and need not be changed. The LD datasource
uses REST API to figure out the engine master and will obtain the feed from the current active server. The LD failover too should happen automatically. So if the engine failover happens and you are still logged into N1 (slave now), LD should still be available
and usable. </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Regards,</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Abhiram Kramadhati</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Technical Solutions Manager, CCBU</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">CCIE Collaboration # 40065</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><b><span style="font-family:"Calibri",sans-serif;color:black">From:
</span></b></span><span class="gmailmsg"><span style="font-family:"Calibri",sans-serif;color:black">"Abhiram Kramadhati (akramadh)" <<a href="mailto:akramadh@cisco.com" target="_blank">akramadh@cisco.com</a>></span></span><span style="font-family:"Calibri",sans-serif;color:black"><br>
<span class="gmailmsg"><b>Date: </b>Friday, 7 April 2017 at 2:52 PM</span><br>
<span class="gmailmsg"><b>To: </b>Anthony Holloway <<a href="mailto:avholloway%2Bcisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>>, Nick Britt <<a href="mailto:nickolasjbritt@gmail.com" target="_blank">nickolasjbritt@gmail.com</a>></span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Calibri",sans-serif;color:black"><br>
<span class="gmailmsg"><b>Cc: </b>Cisco VoIP Group <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>></span><br>
<span class="gmailmsg"><b>Subject: </b>Re: [cisco-voip] UCCX HA and CUIC Historical Data Source</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">I will get back on this by Monday with details.
</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Regards,</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Abhiram Kramadhati</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">Technical Solutions Manager, CCBU</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:10.5pt;font-family:"Calibri",sans-serif;color:black">CCIE Collaboration # 40065</span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><b><span style="font-family:"Calibri",sans-serif;color:black">From:
</span></b></span><span class="gmailmsg"><span style="font-family:"Calibri",sans-serif;color:black">cisco-voip <<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>> on behalf of Anthony Holloway <<a href="mailto:avholloway%2Bcisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>></span></span><span style="font-family:"Calibri",sans-serif;color:black"><br>
<span class="gmailmsg"><b>Date: </b>Friday, 7 April 2017 at 6:01 AM</span><br>
<span class="gmailmsg"><b>To: </b>Nick Britt <<a href="mailto:nickolasjbritt@gmail.com" target="_blank">nickolasjbritt@gmail.com</a>></span><br>
<span class="gmailmsg"><b>Cc: </b>Cisco VoIP Group <<a href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a>></span><br>
<span class="gmailmsg"><b>Subject: </b>Re: [cisco-voip] UCCX HA and CUIC Historical Data Source</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Nope. Abhiram?<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Thu, Apr 6, 2017 at 2:31 PM Nick Britt <<a href="mailto:nickolasjbritt@gmail.com" target="_blank">nickolasjbritt@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi Anthony,
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Sorry to grave dig but just wondered if you ever got an answer for this? <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am about to go down this rabbit hole myself as a customer wants a better explanation (documentation) as to how this is supposed to be configured and how this should behave. <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Cheers<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Nick<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Wed, Jun 15, 2016 at 10:22 PM, Anthony Holloway
<span class="m5771678979209765436gmailmsg"><<a href="mailto:avholloway+cisco-voip@gmail.com" target="_blank">avholloway+cisco-voip@gmail.com</a>></span> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">There seems to be zero documentation for UCCX that mentions changing or adding Data Source configuration in CUIC when running
HA; whether HAoL or HAoW.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">However, I have heard from Cisco employees, forums posts, and colleagues, these two points:</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt;margin-left:47.25pt">
<span class="gmailmsg">1.</span><span class="gmailmsg"><span style="font-size:7.0pt">
</span></span><span class="gmailmsg"><span style="font-size:9.5pt">The Data Source should point to the secondary node, and you have to manually change it, as the default is pointing to the primary node.</span></span><o:p></o:p></p>
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<span class="gmailmsg">2.</span><span class="gmailmsg"><span style="font-size:7.0pt">
</span></span><span class="gmailmsg"><span style="font-size:9.5pt">The Data Source's Secondary tab is defaulted to disabled, and not populated. It shouldn't be used, and CUIC takes care of updating the Data Source during a failure.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">First off, where in the documentation is that explained? I cannot find a good explanation, sans ambiguity, to save my life.
Are people just spreading rumors and old wives tales?</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">Also, I do know that back in the HRC days, the client would handle the connection to the secondary server automatically. So,
I can see where this tale comes from.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">Now, with HAoW, I tested failover with the server shutdown. Not in slave, but actually powered off. What I observed was, the
Data Source was not automatically updated, and I could run any reports, despite being logged in to the secondary CUIC server. The Data Source connection test failed, obviously, and reports failed, obviously.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">I did consider take a leap of faith and confiure the CUIC Data Source's Secondary tab, but the user account to connect to the
DB instance was not in my control, and I don't know the password. I'm sure I could get it, but it was a show stopper nonetheless.</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt">So, has anyone here actually tested with a failed node or island mode with their HA setup, or is it all just speculation, like
this post:</span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"> </span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span class="gmailmsg"><span style="font-size:9.5pt"><a href="https://supportforums.cisco.com/discussion/12473981/ha-uccx-cuic-data-only-one-server" target="_blank">https://supportforums.cisco.com/discussion/12473981/ha-uccx-cuic-data-only-one-server</a></span></span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt">_______________________________________________<br>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">- Nick<o:p></o:p></p>
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