[nova] Per-instance serial number implementation question

Zhenyu Zheng zhengzhenyulixi at gmail.com
Thu Jan 31 11:31:11 UTC 2019

Thanks alot for bring this up, if we decided to make unique serial the only
choice, I guess we have to sort on what curcumstances it will
change the serial of instances that already exists. Should we have a way to
preserve the serial for exisiting instances in order to not
cause any workload failue for our customers as changing the serial may
cause some problem.

On Sat, Jan 26, 2019 at 7:30 PM Stephen Finucane <sfinucan at redhat.com>

> On Fri, 2019-01-25 at 18:52 -0600, Matt Riedemann wrote:
> > On 1/25/2019 10:35 AM, Stephen Finucane wrote:
> > > He noted that one would be a valid point in
> > > claiming the host OS identity should have been reported in
> > > 'chassis.serial' instead of 'system.serial' in the first place [1] but
> > > changing it now is definitely not zero risk.
> >
> > If I'm reading those docs correctly, chassis.serial was new in libvirt
> > 4.1.0 which is quite a bit newer than our minimum libvirt version
> support.
> Good point. Guess it doesn't matter though if we have the two
> alternatives you and Sean have suggested for figuring this stuff out?
> The important thing is that release note. Setting 'chassis.serial'
> would be a nice TODO if we have 4.1.0.
> Stephen
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