On Mon, 25 Jul 2011 12:09:31 +0300 Gleb Natapov <g...@redhat.com> wrote:
> On Mon, Jul 25, 2011 at 04:44:58PM +0900, Minoru Usui wrote: > > On Sun, 24 Jul 2011 09:30:49 +0300 > > Gleb Natapov <g...@redhat.com> wrote: > > > [skip] > > > I tested another one about <boot order> case on RHEL6.1, and I also faced > > another problem. > > > > VM has two virtio HDD. HDD1 is installed RHEL6.1, HDD2 is empty. > > I specified boot order to HDD1:1, HDD2:2, VM booted up from HDD1, > > but boot order HDD1:2, HDD2:1 case, VM couldn't boot up from HDD2. > > (It searched CD-ROM, NIC(gPXE), and finally stopped booting.) > > > That's BIOS specification limitation. BIOS can't fall back from one HDD > to another, so only HDD with lowest priority among all HDDs will be tried. Thank you for explanation. I understand. > > It seems seabios searches only 1 device per device list(HDD, CD-ROM, NET, > > FLOPPY). > > Is it true? > No, it searches only one HDD. Other devices do not have this limitation > IIRC. > > > > > <boot order> can specify per device, so shouldn't seabios search all device, > > even if it specifies multiple device per device list? > > > > -- > > Minoru Usui <u...@mxm.nes.nec.co.jp> > > -- > Gleb. -- Minoru Usui <u...@mxm.nes.nec.co.jp>
