Opteron 252 install

[Bill Broadley]

On Mon, Apr 18, 2005 at 12:07:56PM -0700, Jason DePaul wrote:
> All -
> 
> I have received several HP DL385 / Opteron 252 servers and getting
> ready to install Redhat ES 3.  My question is do I need to install
> the x86_64 version of rhel to truely take advantage of the hardware,

Yes.

> or can I install the standard 32-bit version? 

You could do that as well.

> Outside of NUMA, what
> other advantages do I have by installing the x86_64 version.

Performance and security.  At least I don't think the IA32 version
will recognize the NX flag.

>  Does the
> x86_64 bit version ship with all the standard 32-bit compatible libs.

Yes.

> If I have developers that have written code on a standard RHEL3, will
> the compile w/o issue in the x86_64?

Assuming it's good code it should just recompile in 64 bit, if not
you can just compile it in 32 bit mode.

So yes.


-- 
Bill Broadley
Computational Science and Engineering
UC Davis