Re: [SI-LIST] : How to simulate SCSI backplane with 15 slots?

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From: Doug McKean (dmckean@corp.auspex.com)
Date: Fri Jan 12 2001 - 13:40:16 PST


Personally, in the past, I've tried a minimum of
two tests: one with a fully populated bus of 15
drives, then maybe a second test setup with one
or two drives at various positions like you said.
Depending upon the actual layout of the bus, I'm
not sure you can say that only one type of test
condition does all. - Doug

--------------------------------------------------
Dear SI gurus,

One question regarding SI simulation for SCSI backplane. How do I
define the worst case of SCSI backplane with 15 slots for 15 SCSI
drives?

Shall I do the SI simulation, theoretically, for all combinations of
15 SCSI drives?
There are huge combinations -- the number of drives mixed with the
number of slots (location on the backplane). Based on my knowledge, I
would like to put drives on even spaces for the best case of SI
simulation. for example, three drives on slot 1st,8th, and 15th. For
the worst case, intuitively, I would like to put them on slot 1st,2nd,
and 3rd because of far away from end terminators.

The question is that how to assure the worst case for simulation?
Or, doing all combinations is only way to do even it is exhaustive.

Your comments are highly appreciated.

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