[NTLUG:Discuss] Calculating Bandwidth, TAG-ALONG question

[Alfred Dayton]

Hello wRy,

       This is excellent for display of broad net saturation points and I
shall run it (MRTG) thru some paces

To learn.  However I am looking for how much load each pc/workstation/server
contributes by reason

Of the hard disk drive subsystem limitations.  I.e. single IDE ATA
drive -vs- scsi raid stripe (3 drives) -vs-

Scsi raid stripe (7 drives) -vs- scsi raid stripe (14 drives [2 scsi
controllers]) -vs- raid SATA (?? New serial drives).

Compaq's server division had an excellent whitepaper describing this very
performance issue of

The hard disk drive subsystem but I can not locate it.  Thanks for your
help.

Alfred

-----Original Message-----
From: discuss-bounces at ntlug.org [mailto:discuss-bounces at ntlug.org]On Behalf
Of Rev. wRy
Sent: Tuesday, November 11, 2003 10:14 AM
To: NTLUG Discussion List
Subject: Re: [NTLUG:Discuss] Calculating Bandwidth, TAG-ALONG question

Alfred Dayton wrote:
> Hi Vaidya,
>
>        I am also seeking "bandwidth" info.  I am looking for general
> guidelines or white papers that
>
> Assist in formulating bandwidths "THRU" a pc's various paths/BUS/hard
drive
> out across the lan
>
> Wire.  I need to see what max throughput would be available before
> "saturating" a 10 -vs- 100 -vs- 1000
>
> Lan network.  This is kind of a "bottle neck" question and what can be
done
> to reduce/eliminate the bottleneck.

You might take a look at MRTG:

http://people.ee.ethz.ch/~oetiker/webtools/mrtg/

Or one of it's relatives, such as Cricket:

http://cricket.sourceforge.net/

> Alfred

Ry


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