[cisco-voip] UCCX HA and CUIC Historical Data Source

Tue Apr 11 15:34:20 EDT 2017

What version Matt?

On Tue, Apr 11, 2017 at 1:34 PM Matthew Loraditch <
MLoraditch at heliontechnologies.com> wrote:

> Just on#1 and 2 because I happened to just be building 2 CCX servers
> today, it did configure itself.
>
>
>
> Matthew G. Loraditch – CCNP-Voice, CCNA-R&S, CCDA
> Network Engineer
> Direct Voice: 443.541.1518 <(443)%20541-1518>
>
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>
>
>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf
> Of *Anthony Holloway
> *Sent:* Tuesday, April 11, 2017 2:29 PM
> *To:* Abhiram Kramadhati (akramadh) <akramadh at cisco.com>; Nick Britt <
> nickolasjbritt at gmail.com>
>
>
> *Cc:* Cisco VoIP Group <cisco-voip at puck.nether.net>
> *Subject:* Re: [cisco-voip] UCCX HA and CUIC Historical Data Source
>
>
>
> 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.
>
>
>
> 1) Where in the documentation does it say to reconfigure the datasource to
> point to the non-master node when deploying HA?
>
>
>
> 2) Why doesn't it configure itself?
>
>
>
> 3) Why doesn't it update itself like LiveData does?
>
>
>
> 4) Why can't we use the secondary source tab to populate both nodes?
>
>
>
> 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.
>
> On Tue, Apr 11, 2017 at 3:03 AM Abhiram Kramadhati (akramadh) <
> akramadh at cisco.com> wrote:
>
> Hi guys,
>
>
>
> So, here is the expected behavior and we are taking 11.5 as reference:
>
>
>
> *Historical datasource:*
>
>
>
> 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.
>
> 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.
>
>
>
> CSCvd22513 is the defectID for your reference. I will share more
> information on the outcome of the investigation.
>
>
>
> *LiveData:*
>
>
>
> 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.
>
>
>
> Regards,
>
> Abhiram Kramadhati
>
> Technical Solutions Manager, CCBU
>
> CCIE Collaboration # 40065
>
>
>
>
>
>
>
> *From: *"Abhiram Kramadhati (akramadh)" <akramadh at cisco.com>
> *Date: *Friday, 7 April 2017 at 2:52 PM
> *To: *Anthony Holloway <avholloway+cisco-voip at gmail.com>, Nick Britt <
> nickolasjbritt at gmail.com>
>
>
> *Cc: *Cisco VoIP Group <cisco-voip at puck.nether.net>
> *Subject: *Re: [cisco-voip] UCCX HA and CUIC Historical Data Source
>
>
>
> I will get back on this by Monday with details.
>
>
>
> Regards,
>
> Abhiram Kramadhati
>
> Technical Solutions Manager, CCBU
>
> CCIE Collaboration # 40065
>
>
>
>
>
> *From: *cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
> Anthony Holloway <avholloway+cisco-voip at gmail.com>
> *Date: *Friday, 7 April 2017 at 6:01 AM
> *To: *Nick Britt <nickolasjbritt at gmail.com>
> *Cc: *Cisco VoIP Group <cisco-voip at puck.nether.net>
> *Subject: *Re: [cisco-voip] UCCX HA and CUIC Historical Data Source
>
>
>
> Nope. Abhiram?
>
>
>
> On Thu, Apr 6, 2017 at 2:31 PM Nick Britt <nickolasjbritt at gmail.com>
> wrote:
>
> Hi Anthony,
>
>
>
> Sorry to grave dig but just wondered if you ever got an answer for this?
>
>
>
> 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.
>
>
>
> Cheers
>
>
>
> Nick
>
>
>
> On Wed, Jun 15, 2016 at 10:22 PM, Anthony Holloway <
> avholloway+cisco-voip at gmail.com> wrote:
>
> 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.
>
>
>
> However, I have heard from Cisco employees, forums posts, and colleagues,
> these two points:
>
> 1.      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.
>
> 2.      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.
>
> 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?
>
>
>
> 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.
>
>
>
> 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.
>
>
>
> 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.
>
>
>
> 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:
>
>
>
>
> https://supportforums.cisco.com/discussion/12473981/ha-uccx-cuic-data-only-one-server
>
>
>
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>
>
>
>
>
> --
>
> - Nick
>
>
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