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Re: [Qemu-devel] [RFC]VM live snapshot proposal
From: |
Huangpeng (Peter) |
Subject: |
Re: [Qemu-devel] [RFC]VM live snapshot proposal |
Date: |
Tue, 4 Mar 2014 01:28:03 +0000 |
> > I think this is different in the same way that block-backup and
> > block-mirror are different. Huangpeng's proposal would let you make a
> > consistent snapshot of disks and RAM.
>
> Right. Though the point isn't about consistency (doing the disk snapshot when
> memory has converged would be consistent as well), but about having the
> snapshot semantically right at the time when the monitor command is issued
> instead of only starting it then and being consistent at the point of
> completion.
>
> This is indeed like pre/post-copy live migration, and probably both options
> have
> their uses. I would suggest starting with the easy one, and adding the
> post-copy feature on top.
>
Good suggestion, The latest patches of post-copy seems updated 2 years ago.
https://github.com/yamahata/qemu
One question:
Can post-copy fallback if exceptions happen during post-copy?
Thanks
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, (continued)
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Paolo Bonzini, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Kevin Wolf, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Paolo Bonzini, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Kevin Wolf, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Dr. David Alan Gilbert, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Andrea Arcangeli, 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/03
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Andrea Arcangeli, 2014/03/05
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/04
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Andrea Arcangeli, 2014/03/05
- Re: [Qemu-devel] [RFC]VM live snapshot proposal,
Huangpeng (Peter) <=
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Dr. David Alan Gilbert, 2014/03/04
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/04
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Paolo Bonzini, 2014/03/05
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/05
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Dr. David Alan Gilbert, 2014/03/06
- Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/03
Re: [Qemu-devel] [RFC]VM live snapshot proposal, Paolo Bonzini, 2014/03/03
Re: [Qemu-devel] [RFC]VM live snapshot proposal, Huangpeng (Peter), 2014/03/03