From: Gerd Hoffmann <kraxel@redhat.com>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: libvir-list@redhat.com, Guannan Ren <gren@redhat.com>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [libvirt] [PATCH 3/5] qemu: add usb-bot support from disks points of view
Date: Tue, 03 Sep 2013 09:51:52 +0200 [thread overview]
Message-ID: <1378194712.3618.12.camel@nilsson.home.kraxel.org> (raw)
In-Reply-To: <20130902125757.GH15704@redhat.com>
On Mo, 2013-09-02 at 13:57 +0100, Daniel P. Berrange wrote:
> On Mon, Sep 02, 2013 at 05:38:42PM +0800, Guannan Ren wrote:
> > usb-bot only supports 16 luns(0~15) and they must be contiguous,
> > (using lun 0 and 2 without 1 doesn't work). In this case qemu
> > doesn't throw an error, we can not find the lun 2 in guests. So
> > Adding a checking function in libvirt to prevent from this case.
>
> Hmm, this seems like a problematic restriction.
It's how the hardware works.
> How does this work if we start off a guest with 3 disks
> attached to the usb-bot SCSI controller. Then hot-unplug
> the 2nd disk.
You can't hotplug individual luns anyway.
cheers,
Gerd
next prev parent reply other threads:[~2013-09-03 7:52 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1378114724-1748-1-git-send-email-gren@redhat.com>
[not found] ` <1378114724-1748-4-git-send-email-gren@redhat.com>
2013-09-02 12:57 ` [Qemu-devel] [libvirt] [PATCH 3/5] qemu: add usb-bot support from disks points of view Daniel P. Berrange
2013-09-03 3:26 ` Guannan Ren
2013-09-03 7:51 ` Gerd Hoffmann [this message]
2013-09-03 9:32 ` Daniel P. Berrange
2013-09-03 12:06 ` Gerd Hoffmann
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