Might be less work to just start over…..
> On May 28, 2020, at 10:25 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 <tel:443.541.1518> > w: www.heliontechnologies.com <http://www.heliontechnologies.com/> | > e: mloradi...@heliontechnologies.com > <mailto:mloradi...@heliontechnologies.com> > <image989392.png> <http://www.heliontechnologies.com/> > <image983202.png> <https://facebook.com/heliontech> > <image808092.png> <https://twitter.com/heliontech> > <image029668.png> > <https://www.linkedin.com/company/helion-technologies>_______________________________________________ > cisco-voip mailing list > cisco-voip@puck.nether.net <mailto:cisco-voip@puck.nether.net> > https://puck.nether.net/mailman/listinfo/cisco-voip > <https://puck.nether.net/mailman/listinfo/cisco-voip>
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