Copying an rhel as 3 installation from a PowerEdge 2650 to a 2950

Hola,

  I'm tasked with adding a fourth system to an Oracle cluster, and a
requirement is that it's at the same patch level.  I have been unable to
find a redhat utility to take care of this, so rather spend time in RPM hell
I decided to do file systems dumps of one of the cluster nodes and load it
up on the other box. I copied an install from a PowerEdge 2650 to a 2950.

  These systems use different RAID controllers for the boot disk.  Because
of this I have to load a new driver/module (megaraid_sas).  But, it is not
working.  When I try to boot I get:

VFS: Cannot open root device "LABEL=/" or 00:00
Please append a correct "root=" boot option
Kernel panic: VFS: Uname to mount root fs on 00:00

  I'm assuming that the megaraid_sas module is not being loaded.  If I do a
fresh install from CD I can get the driver installed.  How does Redhat load
kernel modules?  Because the system panics I can't scroll back to to verify
what hardware is recognised.

  Also, if anyone knows of a way to make one system match another system's
patch levels that would be awesome.  I am able to register the systems on
RHN.

Thanks for your time.

RedHat AS 3 Update 4
Dell PowerEdge 2950

-Gene
[email protected]

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