ISCSI boot

James Devine fxmulder at gmail.com
Fri May 18 21:24:21 UTC 2012


I am using 5017C-MTRF supermicro servers which have iscsi support through
the bios.  I was able to get the boot process initiated by taking one of my
virtual machines and exporting that disk via iscsi.  Now I'm running into a
problem where it can't find the root disk

Gave up waiting for root device.  Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
   - Check root= (did the system wait for the right device?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT!  /dev/disk/by-uuid/37f56527-373c-4354-9f91-8f595de66620 does not
exist.
Dropping to a shell!



On Fri, May 18, 2012 at 1:41 PM, Liam Proven <lproven at gmail.com> wrote:

> On 18 May 2012 19:51, James Devine <fxmulder at gmail.com> wrote:
> > I have some servers that can boot from iscsi so I thought I would give
> it a
> > shot.  I see in the ubuntu install that I have the option to install to
> an
> > iscsi target, so I added the target during the ubuntu install which
> exposes
> > an 8gb partition and chose it for the / mount using ext4.  I can erase
> this
> > partition and in doing so I can see lots of iscsi traffic through the
> use of
> > tcpdump on the iscsi target server, but when I try to install to it,
> there
> > is very little traffic, a couple small packets every 5 seconds or so and
> the
> > install has been sitting at 33% for over an hour.  Any idea what I might
> be
> > doing wrong?
>
> Your BIOS needs to support it; it's nothing to do with the OS. I have
> never seen a PC that could do this.
>
>
> --
> Liam Proven • Profile: http://lproven.livejournal.com/profile
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>
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