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-v...@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 < > mloradi...@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! >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> Matthew Loraditch >> Sr. Network Engineer >> p: *443.541.1518* <443.541.1518> >> w: *www.heliontechnologies.com* <http://www.heliontechnologies.com/> | >> e: *mloradi...@heliontechnologies.com* >> <mloradi...@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> >> _______________________________________________ >> cisco-voip mailing list >> cisco-voip@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-voip >> >
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