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Re: [Qemu-devel] Re: [patch 2/3] Add support for live block copy

From: Anthony Liguori
Subject: Re: [Qemu-devel] Re: [patch 2/3] Add support for live block copy
Date: Wed, 02 Mar 2011 16:55:20 -0500
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20101027 Lightning/1.0b1 Thunderbird/3.0.10

On 03/02/2011 11:30 AM, Avi Kivity wrote:
It's really the natural generalization
of what you're proposing.

So basically, the only differences are:

 1) always use the new RAID1 format
 2) drop the progress bitmap
 3) support multiple devices per file
 4) let drive properties be specified beyond filename

All reasonable things to do.

Well, I dislike 3, and the whole "qemu is authoritative source of configuration" thing.

Yeah, at this point, I think the new no-stored-state approach is obviously better than anything proposed. So we'll have to revisit this discussion if/when there's another use-case that demands it.


Anthony Liguori

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