Re: Please see System Specs inside and comment. Thank You! :)

Thanks again, Ed! Jay was exactly right in his reply--I should have been
more specific about the load. Twenty users is the max, and that will be
rare--probably only when a class of that size is actually held in the lab.
From what I've seen of the students use of Matlab in there, I would have to
guess that that 2 to 5 users will be the most common average, and not often
will more than 8 users be on Cadence at a time.

Yes, they did purchase Cadence thru the university program.

LOL @ your "home antics."

Thanks again for the follow-up reply, Ed!! :)

Best regards,

John

===================

Edward Kalenda wrote:

You need a license for each user running the software concurrently. All
on one machine, each on separate machines, it makes no difference. The
licenses are not per machine, they are per user on the machine. One
student on each of twenty machines or twenty students on one machine,
you still need twenty licenses if they are going to run at the same
time. I hope he went through the University Program when he bought the
software. I heard it has very good terms for situations like you
describe.

For your environment, I'd go with the single machine. Cost is more
important than performance in this case. With twenty users it'll get
slow at times, but you may find they are not all actually using the CPUs
at the same time and it will be acceptable. Of course, I can bring our
28 processor box to it's knees easily enough. Best to work from home
when I do that. Harder for the others to find me that way. :)

On Tue, 02 May 2006 11:24:45 -0500, WinXP_Powered
<winxp_powerednospam@xxxxxxxxxxxxxxx> wrote:

Thanks for the quick response!

Let me see if I understand you correctly. Are you saying they need to
purchase 20 licenses and run a licensed copy on each workstation and
just use the server to store the data files (drawings and such) from
Cadence?

The environment is the Electrical Engineering Lab on a small university
campus. The professor purchased Cadence to install on a Sun server and
have from 1 to 20 students access it at a time from Windows workstations
in the lab. Are you saying that's an unrealistic expectation or goal?!
If it is, it's critical I tell him now BEFORE he purchases that Sun
Server 4200.

Thanks, Edward!

Regards,

John Ellard

----------------------

Edward Kalenda wrote:
On Mon, 01 May 2006 12:32:21 -0500, sun_powered
<sun_powered@xxxxxxxxxxxxx> wrote:


BASIC SPECS: A65-EGB2-2H-8G-CB7

Sun Fire X4200 x64 Server: 2x AMD Opteron Model 285 SE (2.6Ghz/1MB) dual
core processor, 4x 2GB PC3200 DDR-400 memory, 2x 73GB 10K RPM SAS drive,
DVD-ROM, 2x PSU, Service Processor, 4x10/100/1000 Ethernet ports, 4x USB
1.1 ports, 1x 64-bit/133Mhz PCI-X slot, 1x 64-bit/100Mhz PCI-X slot, 3x
64-bit/66Mhz PCI-X slots, no power cord, order Geo-specific x-option.
Standard Configuration
-----------------------
DETAILS: See http://www.sun.com/servers/entry/x4200/specifications.jsp
==============

Although it says 2x73GB drives, I was told that a single (approx.) 250GB
drive was discussed with the Sun rep. The purchaser of the system asked
about purchasing an external HDD for backups--he does not want to rely
on the network's nightly backups alone. I suggested a 2nd 250GB drive
with both drives deployed using RAID 1 mirroring to address the
purchaser's backup concerns.

This server is being considered for purchase in an environment with 33
Cadence products installed and a max of 20 remote Xwindow clients at any
time (and each client could be running more than 1 tool at a time).

My main concern is 8GB RAM, since reading in the IC5141 documentation
the strong recommendation of a 2GB swap space, just for that 1 product.
Do you think a strong recommendation for 16GB RAM is justified with
these requirements?

I would appreciate any comments, thanks!


Even with the maximum RAM of 16GB, it is going to perform poorly with 20
users. Advise them they need to watch the swap rate and may need to buy
another system, or three. I'd not want more than four to six users per
system with this hardware.

A better configuration might be twenty single processor workstations and
a file server. Connect them together on a fast subnet to minimize
traffic.

.

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