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xen-devel
[Xen-devel] Re: [PATCH 12/13] Unplug emulated disks and nics
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To: |
Don Dutile <ddutile@xxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: [PATCH 12/13] Unplug emulated disks and nics |
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From: |
Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> |
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Date: |
Mon, 5 Jul 2010 12:58:52 +0100 |
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Cc: |
"jeremy@xxxxxxxx" <jeremy@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Stabellini <Stefano.Stabellini@xxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Stefano, "stefano@xxxxxxxxxxxxxx" <stefano@xxxxxxxxxxxxxx>, "sheng@xxxxxxxxxxxxxxx" <sheng@xxxxxxxxxxxxxxx> |
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Mon, 05 Jul 2010 05:00:44 -0700 |
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<alpine.DEB.2.00.1006211456360.18470@kaball-desktop> <1277136847-13266-12-git-send-email-stefano@xxxxxxxxxxxxxx> <4C2CEF56.4050008@xxxxxxxxxx> |
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Alpine 2.00 (DEB 1167 2008-08-23) |
On Thu, 1 Jul 2010, Don Dutile wrote:
> The problem with this check/enable is that if you run
> this on an older qemu-xen that doesn't have unplug support,
> it fails pv-hvm configuration.
>
> But, all that means is that you can't use an xvd as the boot device,
> and you have to use an emulated IDE device as boot device.
> There are a couple ways to configure the vnif correctly (in guest
> or in xen guest config file).
>
> So, on an older (say, rhel5) xen, I don't have this check;
> the boot device is required to be spec'd as hda, not vda, and
> xen-blkfront is not allowed to configure blk major nums
> for IDE (& SCSI) (to avoid 2 drivers twiddling w/same phys backend... not
> good!).
>
Who is requiring that the boot device is spec'd as hda and not xvda?
I don't think there is such limitation in xend or libxl at the moment.
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