Xen initrd and RAID 10

[Eric E]

Hi all,
  We just got a PowerEdge 2850 with 6 SCSI drives set up in RAID 10.  We are
using SLES 9 Service Pack 2, and would like to run Xen on it.  SLES installs
and boots just fine.  We have been able to install Xen binaries for SLES 9
with no problem as well, and SLES 9 with Xen binaries boots and runs guests
domains just fine on a machine with an IDE drive.  When booting, however, we
run into a kernel panic because the system can't find /dev/sda.  We have
tried to put the drivers (megaraid and the scsi kernel modules) into the
initrd that Xen uses - to no avail.

Has anyone successfully gotten Xen running on a PowerEdge 2850 (or RAID 10
w/a PERC card)?  Does anyone know how to configure grub and/or initrd to
boot Xen using a SCSI device as the root partition?  Any other tricks for
setting up initrd properly?


Many thanks,

Eric
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