Re: [Devel] Re: [RFC] Virtualization steps

[Bill Davidsen]

Kirill Korotaev wrote:
> Bill,
>
> > > So I would detailed it like this:
> > > - freeze VPS
> >
> > when the VM stops providing services it's down as far as I'm concerned
> please, note, that connections are not dropped, new connections are not 
> responded with RESET and when VM is migrated all the clients are 
> serviced as if nothing has happened. From client point of view there is 
> only a small delay in servicing, but not a real downtime (when clients 
> are rejected). Maybe due to these some of people call it zero down-time. 
> Though from technical POV this is not the best term for sure. It is 
> better to call it checkpointing/restore or live migration.

With that I can agree. The argument that it's not down it's just 
unavailable isn't convincing. I think "live migration" is a really good 
description of what takes place, thanks for the nomenclature.
--
   -bill davidsen (davidsen@xxxxxxx)
"The secret to procrastination is to put things off until the
 last possible moment - but no longer"  -me
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