Hi Matt,
KVM live migration is possible and we are working on it right now. The
hardest part (the kernel & qemu support) is already done and currently
I'm able to successfully migrate the VMs. Now we need two things:
1. integrate the patches into the illumos-kvm and illumos-kvm-cmd repos
(requires testing, reviews, etc.)
2. some userspace support (live migration script).
After merging the patches into SmartOS, we can focus on the userspace
part (or you can write your own migration script).
Jan
PS: in parallel with the above, the live migration will be present in
the Danube Cloud v3.0.0 expected in this December.
On 6. 11. 2017 17:05, Matthew Law wrote:
De-lurking for a moment to ask a question: is live migration of zones
and KVM VMs possible? I recall it has been mentioned on this list
before and I can find ageing references to it, e.g:
https://github.com/joyent/smartos-live/blob/master/src/vm/README.migration
I usually get by with vmadm send and vmadm receive after first
stopping the VM and that works great but it’s a bit of a chore
stopping and migrating dozens of VMs off a busy host when it needs to
go down for maintenance.
Cheers,
Matt.
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