[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] add file: migration support (r2)
|
From: |
Paul Brook |
|
Subject: |
Re: [Qemu-devel] [PATCH] add file: migration support (r2) |
|
Date: |
Tue, 18 Nov 2008 12:57:41 +0000 |
|
User-agent: |
KMail/1.9.9 |
On Tuesday 18 November 2008, Jamie Lokier wrote:
> Paul Brook wrote:
> > > I'm not sure if "live" migration to a file is really useful. "Dead"
> > > migration is useful for suspending a VM to disk.
> >
> > Right. That's the point I was trying to make.
>
> I thought of a use for live migration to and from a file. It's when
> you have to restart a host while minimising downtime of all its
> guests. The liveness reduces that downtime.
I wouldn't be surprised if this actually took longer, because you have to read
more data in when you do the restore.
Paul