[cisco-voip] best way to move CUCM Publisher from one host/DC to another

Wed Dec 11 11:47:41 EST 2019

No issue, but also don't do it very much.  I just take the one that's
randomly generated and use that as the static assignment, then redo the
license request.

On Wed, Dec 11, 2019 at 9:55 AM Ryan Ratliff (rratliff) via cisco-voip <
cisco-voip at puck.nether.net> wrote:

> Has anyone run into problems setting a static MAC on your ELM/PLM vm?
> Dynamic mac addresses can definitely bite you but I’m curious how this
> workaround (that we do document as best practice) works in the real world.
>
>
>
>    - Ryan
>
>
>
> *From: *cisco-voip <cisco-voip-bounces at puck.nether.net> on behalf of
> Charles Goldsmith <w at woka.us>
> *Date: *Wednesday, December 11, 2019 at 10:37 AM
> *To: *Ryan Huff <ryanhuff at outlook.com>
> *Cc: *cisco-voip list <cisco-voip at puck.nether.net>
> *Subject: *Re: [cisco-voip] best way to move CUCM Publisher from one
> host/DC to another
>
>
>
> Yes sir, moving to new hosts in the same DC, both hosts plugged into the
> same Nexus on 10gbit.
>
>
>
> To UC Penguin's point, it was on 6.0
>
>
>
> On Wed, Dec 11, 2019 at 7:46 AM Ryan Huff <ryanhuff at outlook.com> wrote:
>
> Interesting, was it 10GB end2end (nics and all)? I’ve done it on a 1GB
> end2end and got close to 700 mbps (if I recall correctly, 680-682 was the
> highest it hit).
>
>
>
> Not disagreeing, just interesting... it would be worth some investigating
> someday.
>
>
>
> Sent from my iPhone
>
>
>
> On Dec 11, 2019, at 01:50, Charles Goldsmith <w at woka.us> wrote:
>
> I'm a big fan of SCP as well, but it's limited to 1 vCPU on the
> encryption, so that seems to limit it more than the links.  I know this
> because trying to move VM's over 10gbit connections and was only getting
> about 400 mbps.
>
>
>
> If you have a middle pc/jump box, I'm a big fan of simple export/import if
> you don't have a vCenter in the picture.  That way, you get a backup of the
> VM.  vCenter is nice, but migration moves it, doesn't copy, even with
> different storage.
>
>
>
> I have never tried to use vmkstools, may have to investigate that the next
> time I migrate.
>
>
>
> On Tue, Dec 10, 2019 at 8:26 PM Ryan Huff <ryanhuff at outlook.com> wrote:
>
> Yes, SCP is beholden to the line rate between the hosts. Though VMWare
> doesn’t “recommend” it, I can say I’ve also never had a problem with it,
> FWIW... and yeah, super convenient.
>
>
>
> Is you have shared storage between the hosts and can migrate the storage
> and compute, I’d power off the VM and just do that.
>
> Sent from my iPhone
>
>
>
> On Dec 10, 2019, at 21:20, Anthony Holloway <
> avholloway+cisco-voip at gmail.com> wrote:
>
> SCP is so slow and not recommended by VMware*, but damn if it's not
> convenient.
>
>
>
> Ovftool is super fast but I think it requires a middle PC to be ran from.
>
>
>
> It would be awesome if you could have the best of both worlds. Like run
> ovftool right on ESXi. I wonder.
>
>
>
> I have used Veeam free backup to move VMs, which is as fast as ovftool,
> but a huge install for a one time move.
>
>
>
> *To prevent performance and data management related issues on ESX, avoid
> the use of using scp, cp, or mv for storage operations; instead use
> vmkfstools, VMware's virtual machine Importer tool.
>
> https://kb.vmware.com/s/article/1000936
> <https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fkb.vmware.com%2Fs%2Farticle%2F1000936&data=02%7C01%7C%7Ceb93b37ca4fb479b4b6008d77e0670b0%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637116438430643299&sdata=mFju5OvyMPfidnEhicwZeqm2AVIkyG6fcymST%2B5Txl4%3D&reserved=0>
>
>
>
>
>
> On Tue, Dec 10, 2019, 7:50 PM Ryan Huff <ryanhuff at outlook.com> wrote:
>
> I don’t think vMotion would change the MAC address, UUID.. etc and I think
> you’d be fine (not while the VM is powered on though).
>
>
>
> Typically, what I do is power the VM down and SCP the VM folder to the
> target host from the source host (requires SSH server/client be enabled and
> excluded in the host firewall for the hosts). Then in the target host, add
> the .vmx file into inventory and power on. You’ll initially be asked if you
> moved or copied the VM and you’ll want to select move (if you select copy,
> then it will randomize a few things like nic MAC .. etc).
>
>
>
> Lastly, remove the source VM from inventory and after you’re sure the
> target VM is healthy and running fine, delete the source VM from storage on
> the source host.
>
> Thanks,
>
>
>
> Ryan
>
>
>
> On Dec 10, 2019, at 20:42, naresh rathore <nareh84 at hotmail.com> wrote:
>
> hi
>
>
>
>
>
> We have to migrate our Voice VMs from one host/DC to another host/DC. i
> think if we clone or do vmotion, mac address gets changed and we have to
> apply for license, we may face database corruption.
>
>
>
>
>
> Is there a way which Cisco recommends to do migration, if we have to
> migrate Voice VMs from one host to another?
>
>
>
>
>
> Regards
>
>
>
>
>
> Naray
>
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