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

[Abhiram Kramadhati (akramadh)]

Couldn't get to this today, will do tomorrow. Thanks.

Sent from my iPhone

On 7 Apr 2017, at 6:02 am, Anthony Holloway <avholloway+cisco-voip at gmail.com<mailto:avholloway+cisco-voip at gmail.com>> wrote:

Nope. Abhiram?

On Thu, Apr 6, 2017 at 2:31 PM Nick Britt <nickolasjbritt at gmail.com<mailto: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<mailto: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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