No magic as Ivan said,
you may want to check dynamic auto-convergence in case of busy VMs (high
RAM change ram i.e. busy MSSQL servers and such) - qemu 2.5 needed for
this, can be consumed from 4.11 and onwards - but might not be relevant in
your case.
Some very short interruption IS done - i.e.
Hello Ivan
We upgrade only when critical security patch is released like meltdown and L1TF
else we don't do upgrades for every single kernel release
Sent from my iPhone
> On 13-Dec-2018, at 11:05 PM, Ivan Kudryavtsev
> wrote:
>
> Rakesh,
> No magic exists. Migrate forth, reboot, and migrate
Rakesh,
No magic exists. Migrate forth, reboot, and migrate back. What I'm really
wondering about is why you upgrade every time, Ubuntu releases a new
kernel... There are a pretty small amount of fixes related to KVM and hosts
are located in the private networks, they are single-tenant. Maybe you
Hello Folks
I have a question regarding upgrading OS on hypervisor. We have few platforms
with around 200 hypervisors in each platforms. Every time a new Ubuntu kernel
comes in with new security patch like L1TF fix or other , we need to upgrade
kernel on all hypervisors. Before rebooting
