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RE: RHEL 4 or 5 AS 64Bit OS

We run RHEL 4 64bit on the Dell 2950's with 16GB of memory (2x Woodcrest 2.66Ghz).  Works well with no problems.  The only issue we ran into is that the OS will not load with all 16GB of memory installed in the box.  The install will hang up on installing /loader.  The work around is that you will need to remove a few sticks of the memory out of the server for the install, and then put the memory back in afterwards. This only happens on the 2950 model, the 2850/6850/6950 models do not have this issue.

If your application supports 64bit, I would recommend installing the 64bit RHEL, especially since you have 16GB of memory. I have heard of a few issues with running RHEL 32bit on systems with 16GB of more of memory.  Again we have had no problems with our 64bit clusters running on 2950's.


-----Original Message-----
From: redhat-list-bounces redhat com [mailto:redhat-list-bounces redhat com] On Behalf Of Esquivel, Vicente
Sent: Wednesday, August 15, 2007 4:12 PM
To: General Red Hat Linux discussion list
Subject: RHEL 4 or 5 AS 64Bit OS

Hello all,

Is anyone running 64bit RHEL 4 or 5 AS on an intel based Dell Power Edge
2950 with 2x(dual core) Xeon Woodcrest processors with 16GB of RAM,
since this is not true 64bit hardware but rather it is 32bit with 64bit
extensions.  Dell claims that it supports 64bit RHEL on this hardware.

  Can anyone tell me if there are having problems doing this or if there
would be anything I should take into consideration when trying to decide
to run 32bit RHEL or 64bit RHEL.  The application I will running on this
server supports both 32 or 64 bit.

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