Which slide says you can go direct with osadmin? On Thu, May 28, 2020 at 1:41 PM Matthew Loraditch < [email protected]> 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: *[email protected]* <[email protected]> > [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 <[email protected]> > *Sent:* Thursday, May 28, 2020 2:29 PM > *To:* Matthew Loraditch <[email protected]> > *Cc:* [email protected] > *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 < > [email protected]> 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 < > [email protected]> 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! > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > *Matthew Loraditch*** > > *Sr. Network Engineer* > > p: *443.541.1518* <443.541.1518> > > w: *www.heliontechnologies.com* <http://www.heliontechnologies.com/> > > | > > e: *[email protected]* <[email protected]> > > [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> > > _______________________________________________ > cisco-voip mailing list > [email protected] > https://puck.nether.net/mailman/listinfo/cisco-voip > >
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