64bit or not ?

[Ben Ruset]

I generally believe that once you go over 4GB it's better to go 64 bit. 
You can run a >4GB box on 32 bit Linux with the hugemem kernel, but it's 
a bit of a kludge.

I run 15 1950's with 16GB of RAM each running VMWare Server on CentOS 
4.5 64 bit without a problem. As long as you're not getting too crazy 
(and it seems like you're not - just running NFS) then you should be 
alright with 64 bit Linux.


Robert von Bismarck wrote:
> Hello,
> 
> Not really Dell-Specific, but here goes. 
> We have a couple NFS servers, that serve mailboxes to our mailservers
> from a SAN. Those servers are old-ish 2850 dual-xeon 2.8Ghz boxes
> running Centos4.5 with a coupls fibrechannel adapters. 
> These are getting a little bit loaded so we're looking at replacing
> those with some quadcore 1950 with 8Gb ram, and now we're not sure
> whether to go the 64bit route or not.
> 
> Any hints/pointers/opinions/experiences will be welcome.
> 
> Cheers,
> 
> Robert von Bismarck
> Senior Systems Engineer
> VTX Services SA
> 
> 
> 
> 
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