[CentOS] Adding RAM

Matt lm7812 at gmail.com
Sat Dec 6 00:13:20 UTC 2008


>> I have a server running Centos 4.7 32bit.  Will moving from 4Gig of
>> RAM to 8Gig do any good?  Since its 32bit I assume it will only be
>> able to address the first 4Gig not?

> As long as you are using a SMP kernel you can use up to 64GB of RAM
> (though each proccess can only address 4GB of this). So if you can
> find any trace of  "SMP" in the uname (grep is your friend) then it
> should work fine.

I have this:

[root at srvr ~]# rpm -qa | grep kern
kernel-smp-2.6.9-78.0.8.EL
glibc-kernheaders-2.4-9.1.103.EL
kernel-utils-2.4-14.1.117
kernel-2.6.9-78.0.8.EL
[root at srvr ~]#

[root at server ~]# uname -a
Linux XXX 2.6.9-78.0.8.ELsmp #1 SMP Wed Nov 19 20:05:04 EST 2008 i686
i686 i386 GNU/Linux

Matt


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