Re: [Xen-users] iSCSI root on Dom0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Apr 02, 2008 at 09:01:45PM +0300, Pasi Kärkkäinen wrote:
> On Wed, Apr 02, 2008 at 01:13:58PM -0400, Joe Royall wrote:
> > On Wed, Apr 2, 2008 at 11:55 AM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:
> > 
> > > On Wed, Apr 02, 2008 at 10:41:01AM -0400, Tait Clarridge wrote:
> > > > Hello,
> > > >
> > > > In my experience, I have noticed that iSCSI is never brought up
> > > > properly. On a box we have running Xen 3.1 and Centos 5.0 the iSCSI
> > > > mount needs to be brought up manually after it fails to load on boot. I
> > > > don't have a working solution, just trying to point you in a direction.
> > > >
> > > > Probably happens for us here because the box tries to bring up the iSCSI
> > > > before trying to bring up the NICS.
> > > >
> > > > Anyways, just thought I'd add my two cents.
> > > >
> > >
> > > I'll add my two cents too..
> > >
> > > Upcoming RHEL 5.2 (and CentOS 5.2) should support software iSCSI root
> > > using iBFT
> > > information.. if your BIOS/NIC/whatnot support iBFT and fills up the iBFT
> > > table
> > > before booting the OS then initrd image is able to configure iSCSI root
> > > using the
> > > IP/LUN information on the iBFT table.
> > >
> > > See RHEL 5.2 beta announcement for more information..
> > 
> > 
> > 
> > I think this would make the problem go away and a lot of others.  Do you
> > know of any GBE nics that support this?
> >
> 
> Afaik both Intel and Broadcom _server_ NICs have special iBFT/int13h capable
> firmware available making boot-from-iscsi-san without HBA possible.
> 

And IBM blade servers also have iBFT support on their BIOS..

-- Pasi

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