|Subject:||Copying an rhel as 3 installation from a PowerEdge 2650 to a 2950|
|Date:||Tue, 10 Apr 2007 14:47:38 -0700|
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
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