[cisco-voip] UCM Upgrade Poll

[Erick Bergquist]

I've done a few dozen inplace upgrades of CUCM, Unity, UCCX with existing
VMs with no real issues over the past few years. Talking 8.x to 10.x  or
11.x or 9.x to 10/11.x.

Issues encountered:

Freeing up disk space on existing VM for the RU/SU to install on a few
upgrades (more of a slow down)

Recently had issue with IM&P 9.x to 11.x where a invalid ntp entry was in
the platformcfg.xml XML file that there is a bug ID on that TAC had to get
in with root access to remove. After that the IM&P inplace upgrade went
fine.

And a few non-upgrade issues involving license matters and getting correct
number of licenses.

I was reading another post about 12.0 using CentOS now, need to read that
over more and see what is changing with upgrade process.


My only wish was if these would go faster. Maybe have an incremental patch
with just fixes instead of a full size SU/install file and reinstalling
every file - especially for SU patches within same major version.

YMMV, Erick


On Thu, Aug 24, 2017 at 10:34 AM, Anthony Holloway <
avholloway+cisco-voip at gmail.com> wrote:

> Why not just come along with me on my next upgrade.  You can feel the
> pain...err excitement, of planning and executing an upgrade in the real
> world.  ;)
>
> On Thu, Aug 24, 2017 at 9:52 AM Ryan Ratliff (rratliff) <
> rratliff at cisco.com> wrote:
>
>> Thanks everyone for the feedback.
>>
>> We are looking at ways to make upgrades easier and stories like these are
>> very helpful.
>>
>> -Ryan
>>
>> On Aug 24, 2017, at 10:17 AM, Scott Voll <svoll.voip at gmail.com> wrote:
>>
>> 1. I'm guessing we are 10% True bugs and 90% environment, but I will
>> agree with other comments about DNS and NTP being a dumb reason to fail
>>
>> 2. as for time, over the years we used to spend over 6 months on
>> upgrades...... we are down to about 2 months.  in our enviroment we have to
>> document all the changes before so it can be communicated to the end user.
>> Researching for the answers has moved from Anthony's 100 documents to just
>> opening a TAC case.  It has become way to time consuming to find all the
>> right doc's to get the correct answer.
>>
>> YMMV
>>
>> Scott
>>
>>
>> On Wed, Aug 23, 2017 at 1:46 PM, Anthony Holloway <
>> avholloway+cisco-voip at gmail.com> wrote:
>>
>>> Wow, it's kind of cool that you're even asking.  Thanks for that.
>>>
>>> Already I can see this is going to be a wide gap in responses. Partner
>>> vs end user, this customer vs that customer, this version vs that version,
>>> this scenario vs that one, and on, and on, and on.
>>>
>>> 1) I feel like it's always a bug (100%), in that, developers should code
>>> solutions that can work around most issues.  E.g., I had an upgrade fail on
>>> a CUCM because the ntp was 0.us.pool.ntp.org, despite CUCM happily
>>> syncing to it in the current version.  OR Common partition not having
>>> enough space, when devs could just purge old logs to make room, or simply
>>> make better logs to begin with (I do admit, moving to compress logs
>>> [TAR/GZ] was sweet)
>>>
>>> 2) This is a painful one for me, but I put in a lot of time preparing
>>> for an upgrade.  A large portion of the time is, in my opinion, wasted
>>> finding the right documentation and then trying to interpret it.  Here's a
>>> fun one: there's over 100 documents an Engineer needs to reference in
>>> preparation for what I would consider a low-medium level environment.  I've
>>> posted this before, but I'll post it again, I have a matrix of documents I
>>> need to reference during the planning and execution phase of an upgrade:
>>>
>>>
>>>
>>>
>>> On Wed, Aug 23, 2017 at 8:38 AM Ryan Ratliff (rratliff) <
>>> rratliff at cisco.com> wrote:
>>>
>>>> Quick 2 question poll, feel free to unicast or share your response with
>>>> the group.
>>>>
>>>> 1. When you or your customers have a UCM or IMP upgrade fail, what
>>>> percentage of failures are due to a bug vs something in the environment
>>>> (user error, db updates, etc)?
>>>> % bug:
>>>> % not a bug:
>>>> Yes it’s a very subjective question but that’s ok, use your judgement.
>>>>
>>>> 2. When an upgrade goes smoothly with no issues, how much time do you
>>>> put into the planning and preparation for the upgrade (not the execution)?
>>>>
>>>> Thanks,
>>>>
>>>> -Ryan
>>>>
>>>> _______________________________________________
>>>> cisco-voip mailing list
>>>> cisco-voip at puck.nether.net
>>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>>
>>>
>>> _______________________________________________
>>> cisco-voip mailing list
>>> cisco-voip at puck.nether.net
>>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>>
>>>
>>
>>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-voip/attachments/20170827/9faa78a2/attachment.html>