[cisco-voip] Migration from CUCM/UCXN/UCCX 8.5 to 12.5

Thu May 28 14:50:53 EDT 2020

Which slide says you can go direct with osadmin?

On Thu, May 28, 2020 at 1:41 PM Matthew Loraditch <
MLoraditch at heliontechnologies.com> wrote:

> Interesting thing is this preso (which is not official for TAC Purposes)
> says I can go from 8.6 to 12.5 directly in OS admin, but docs say use PCD.
> Not going to try it, but nevertheless curious.
>
>
>
> Matthew Loraditch
> Sr. Network Engineer
> p: *443.541.1518* <443.541.1518>
> w: *www.heliontechnologies.com* <http://www.heliontechnologies.com/>  |
> e: *MLoraditch at heliontechnologies.com* <MLoraditch at heliontechnologies.com>
> [image: Helion Technologies] <http://www.heliontechnologies.com/>
> [image: Facebook] <https://facebook.com/heliontech>
> [image: Twitter] <https://twitter.com/heliontech>
> [image: LinkedIn] <https://www.linkedin.com/company/helion-technologies>
>
> *From:* Anthony Holloway <avholloway+cisco-voip at gmail.com>
> *Sent:* Thursday, May 28, 2020 2:29 PM
> *To:* Matthew Loraditch <MLoraditch at heliontechnologies.com>
> *Cc:* cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Migration from CUCM/UCXN/UCCX 8.5 to 12.5
>
>
>
> [EXTERNAL]
>
>
>
> Another thing, CUCM 12.5 specific, Cisco wants all of us to run through
> the Collaboration Sizing Tool every time we upgrade to 12.5 now.
>
>
>
> See slide 13
>
>
> https://www.ciscolive.com/c/dam/r/ciscolive/us/docs/2019/pdf/BRKUCC-2011.pdf
>
>
>
> On Thu, May 28, 2020 at 1:08 PM Anthony Holloway <
> avholloway+cisco-voip at gmail.com> wrote:
>
> Keep in mind that PCD network migrations, while awesome for CUCM, do not
> work for other products.
>
>
>
> Typically with a project like this, you'll likely have a different
> approach for each app, and not a one size fits all solution.
>
>
>
> With the app upgrades, you will also have to change OVA sizes (or want to
> in some cases), and at that point, it might be better to install fresh, and
> use tools like COBRAS, BAT, AXL, ADMIN API, stare & compare, etc. to get
> data exported/imported from old to new.
>
>
>
> Or like Kent said, tell yourself it's a toshiba system, and treat it like
> a greenfield.
>
>
>
> On Thu, May 28, 2020 at 11:26 AM Matthew Loraditch <
> MLoraditch at heliontechnologies.com> wrote:
>
> Here’s a fun one. We have taken over support of these ancient servers
> hosted on Esxi 4.1 on UCS-C200-M2s!
>
>
>
> Exact Versions are:
>
> 8.5 SU2 for CUCM/UCXN
>
> 8.5 FCS for UCCX
>
>
>
> Each  is a pair of servers.
>
>
>
> Have new M5s and flex licensing… need to get to 12.5..  8.5 docs are dead
> for CUCM/UCXN and 8 and 9 docs are dead for UCCX. ISOs I may need are not
> available publicly.
>
>
>
> Also fun wrinkle the new host are across the WAN and for many logistical
> reasons are staying there. The migration to the new hosts will have to be
> via DRS or maybe PCD somehow? Not sure if the bandwidth available to get
> data across will be fast enough to finish in the allotted time period. My
> plan was a change freeze window and copy/restore the backups and then
> activate the new servers and move the subnet to the new location.
>
>
>
> As best I can tell I need to get UCCX to SU4 of 8.5.1 then I can go to
> 10.6 SU3 and then to 12x (with the fun of two CAD upgrades and then a
> migration to Finesse!)
>
>
>
> For CUCM/UCXN I need to go to 8.6 anything and then I can go to 11.5 and
> then to 12x
>
>
>
> I think my plan is to do the upgrades to the interim versions on the old
> hosts then migrate to the new and then finish the upgrades. The old hosts
> will need ESXi upgrades to an interim version.
>
>
>
> Anyone have thoughts on what they would do here? This is partially
> depending on TAC being able to provide me the ISOs I will need, but I
> presume there is an archive.
>
>
>
> In theory some sort of PCD migration is also an option, but I’ve never
> done one and not sure how it could handle the subnet situation that will
> have to exist.
>
>
>
> Welcome to my fun life!
>
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>
> *Matthew Loraditch***
>
> *Sr. Network Engineer*
>
> p: *443.541.1518* <443.541.1518>
>
> w: *www.heliontechnologies.com* <http://www.heliontechnologies.com/>
>
>  |
>
> e: *MLoraditch at heliontechnologies.com* <MLoraditch at heliontechnologies.com>
>
> [image: Helion Technologies] <http://www.heliontechnologies.com/>
>
> [image: Facebook] <https://facebook.com/heliontech>
>
> [image: Twitter] <https://twitter.com/heliontech>
>
> [image: LinkedIn] <https://www.linkedin.com/company/helion-technologies>
>
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