max memory Redhat AS 4.3 (32 bits) support??

[Mark Watts]

> Alle 15:56, martedì 03 aprile 2007, mcclnx mcc ha scritto:
> > we have DELL 6800 server with 20GB RAM in it.  We like
> > to expand it to 64 GB.  I checked Redhat web site and
> > it say max memory is
> > "Architecture & system dependent".
> >
> > Does anyone know what is Max RAM Redhat AS 4.3 (32
> > bits) support?
>
> The limit is the kernel ...  kernel limit is ( actually 2.6.20.4 ) 64GB of
> ram , IMHO the actual HardWare Limit.
>
> you can check it in your kernel config, if you don't have the kernel
> sources maybe you have config.gz support in proc , check it in /proc/ if
> it's there you can check this way :
> tar -c /proc/config.gz | grep CONFIG_HIGHMEM
>
> there you'll your answer.

RHEL 4 provides a "kernel-hugemem" package 
"The Linux kernel compiled for machines with 16 Gigabytes of memory or more."

Mark.

-- 
Mark Watts BSc RHCE MBCS
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services Group
GPG Public Key ID: 455420ED

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