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

[Ryan Huff]

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://eur04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fkb.vmware.com%2Fs%2Farticle%2F1000936&data=02%7C01%7C%7Cab0b7bc019a5498b47cb08d77de0b304%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637116276330000116&sdata=knBH29jcaYeLJNpDcAsbUb4KgtvLDFYZdpU0FSnhy5Y%3D&reserved=0>


On Tue, Dec 10, 2019, 7:50 PM Ryan Huff <ryanhuff at outlook.com<mailto: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<mailto: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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