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

[Anthony Holloway]

Thanks Abhiram.  Your efforts are appreciated.

On Mon, Apr 10, 2017 at 10:17 AM Abhiram Kramadhati (akramadh) <
akramadh at cisco.com> wrote:

> 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> wrote:
>
> 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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