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Re: [K12OSN] Bang For The Buck



On Thu, 17 Jul 2003, Ken Johnson wrote:

> I have a dilemma. At my own expense, I have created a 6 node K12LTSP
> network for my sister's sixth grade class. This fall we would like to go to
> 10 nodes.
>
> Our server is a 700Mhz Via CPU w/512meg of RAM and an 18Gig Hard Drive.
> (This is all out of MY pocket!) The rest of our network consists of:
>
> 3 old Dell Optiplexes (Pentium 166 MHz) that we were able to purchase
> refurbished from our local computer store for $29 each!
> 2 old HP Pavilion 350's (333MHz AMD K6-2's) donated by friends.
> 1 donated ancient Pentium.
> One monitor is a refurbished 15in. Sony that we got for $60!
> The other monitors we got from friends who were upgrading to larger monitors.
>
> Here is my question: With a REALLY limited budget, what are my best options
> for supporting 10 Workstations?
>
> Should I build another server similar to the first and run the 4 new
> workstations?
>
> If so, how do I make them operate together so that any of the students can
> log in from any workstation and their work is saved to the same hard drive?
> (Be specific here  I just started with Linux last summer.)
>
> Should I build a beefier server to support all 10 workstations, and convert
> our present server to another workstation? Budget will permit maybe an AMD
> 1900 and a Gig of memory (will that support 10 workstations?)
>
> The additional workstations will come from friends and parents donations.
>
> Our primary applications are Open Office and Mozilla.
>
> How can I get the most bang for my limited buck?
>
adding memory will give you the most bang for the buck. with 10
workstations, I'd go at least 1GB, preferably 2GB. the reason is that you
get no swap activity (super slow), and large buffer cache which
alleviates the disk i/o waits. my $0.02, julius




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