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Re: [Qemu-devel] [PATCH v2 for 2.13] migration: Don't activate block dev
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] [PATCH v2 for 2.13] migration: Don't activate block devices if using -S |
Date: |
Mon, 04 Jun 2018 05:56:07 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.3 (gnu/linux) |
"Dr. David Alan Gilbert (git)" <address@hidden> wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Activating the block devices causes the locks to be taken on
> the backing file. If we're running with -S and the destination libvirt
> hasn't started the destination with 'cont', it's expecting the locks are
> still untaken.
>
> Don't activate the block devices if we're not going to autostart the VM;
> 'cont' already will do that anyway. This change is tied to the new
> migration capability 'late-block-activate' that defaults to off, keeping
> the old behaviour by default.
>
> bz: https://bugzilla.redhat.com/show_bug.cgi?id=1560854
> Signed-off-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
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