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

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

2007-04-10       - By Karl Latiss

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Reply:     1     2     3     4     5     6     7     8     9  

On Tue, 2007-04-10 at 14:47 -0700, Gene wrote:
> 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
>
If you need exactly Update 4 then install from the Update 4 ISOs. That
way you are guaranteed to be at that patch level.

--
Karl Latiss <karl.latiss@(protected)>
Atvert Systems

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