we are running linux nfs servers supporting sun workstations.  We have
ultrasparcs, supersparcs, and even linux boxes, all mounting from our
linux server (there is a trick to make suns perform decently on linux
NFS servers if you need it).  We are using single cpu pentium-pro 200's,
with 20 gigs of disk mounted using "md" to do software raid0 and combine
the disks into a single partition.  We currently support about 100
machines doing NFS mounts with zero problems.  Remember that the network
is going to be the big bottleneck...  a pentium pro can drive a
100mbit/sec ethernet with no problems, so if all you are doing is
supplying NFS mounts to clients, a quad xeon would work, but probably
not a lot better than a single processor.  If performance is a real
issue, I'd consider using 4 machines, with different filesystems on
each one, so that with a good switched network, you could get all 4
servers busy at once...

IMHO, of course, YMMV...

But linux can work perfectly with suns...


Robert Hyatt                    Computer and Information Sciences
[EMAIL PROTECTED]               University of Alabama at Birmingham
(205) 934-2213                  115A Campbell Hall, UAB Station 
(205) 934-5473 FAX              Birmingham, AL 35294-1170

On Wed, 16 Dec 1998, Timothy MacDonald wrote:

> Hail all,
> 
>       I currently have some medium to big iron ( Sun Enterprise 3000 quad
> CPU ) functioning as an NFS application server in our shop. It is my opinion
> that I could replace this with an SMP linux machine, thereby freeing up the
> Sparc to perform platform dependent tasks such as compiles. I would
> guesstimate that currently I am serving around 150-200 concurrent users peak
> on the Enterprise. My first assumption is that the Enterprise is overkill
> for the task at hand. The second is that SOME hardware configuration of a
> linux machine could handle this load. The question is, what would I need to
> get? A full blown Quad Xeon 450 rig? Can anyone give me a real world example
> of a linux box running in this type of capacity? Am I crazy? I am asking for
> CPU usage only. The I/O and storage on the machine would be a RAID 5
> hardware implementation connected via UltraSCSI 2 to the box.
> 
> 
> regards,
> 
>       Timothy MacDonald
>       Landmark Graphics
>       [EMAIL PROTECTED]
> 
> -
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> 

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