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Re: [Qemu-devel] Re: [PATCH 0/3 v5] Live migration without shared storag

From: Liran Schour
Subject: Re: [Qemu-devel] Re: [PATCH 0/3 v5] Live migration without shared storage
Date: Tue, 24 Nov 2009 16:52:14 +0200

"Anthony Liguori" <address@hidden> wrote on 24/11/2009
> Jan Kiszka wrote:
> > Oh, indeed, thanks. Due to the fact that this discussion suggested that
> > there are still open issues, I did not even checked git.
> They still need to be addressed.  However, I wanted to do that work in
> the tree vs. outside of the tree.  With all the qmp stuff happening,
> that seemed like the rationale thing to do.

What do you think about the following syntax:
migrate [-d] URI
copy_level: 0 - flat copy.
            1 - copy only first COW level.
            n - copy all COW levels.
default_copy_level: use this copy level for all devices that are not
mentioned in the migrate command.

I intend to implement it this week, I am planning to implement on the first
phase only copy levels 0 and 1.
It suppose to solve the major problem today that a guest has one block
device that needs to be copied flat and the other block device that needs
to be COW copy.

- Liran

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