SCSI diagnostics & benchmarks

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1 total messages Started by Michael R. Volow Tue, 25 Dec 1990 05:23

#24

Author: Michael R. Volow
Date: Tue, 25 Dec 1990 05:23

26 lines
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Having recently acquired an SCSI drive (CDC WREN III 91 meg) and 
controller (Adaptec 1522) I'm interested in evaluating their performance
particularly because the combination subjectively does not seem faster
than my previous iron (Miniscribe 44 meg 25msec MFM drive and WD1006
MFM controller).

I understand that regular hard disk test utilities give misleading
results with SCSI drives because of extensive processing of the data
by the controller. Does anyone know of hard disk test utilities 
specifically for SCSI drives? I found one program written for Western
Digital SCSI drives/controllers on the WD BBS, called SDIAG.EXE.
It's relatively complex and I'm not sure exactly how to use it even
with the docs. I have recently heard that Disk Technician Advanced
has a new release that is supposed to include SCSI drives, but have
not seen it.

If anyone has any experience in these areas, I'd be interested in hear-
ing from you. hanks in advance. Will of course post summary if I
receive any substantive replies; or if my SCSI consultant can figure
out how to use SDIAG (I don't even know if it's safe to use on the
Adaptec controller). The Adaptec BBS did not have any SCSI diagnostic
programs on it, only a LLF utility for my 1522 controller.
-- 
Michael Volow, Psychiatry, Durham VA Med Center, Durham NC 27712
919 286 0411 Ext 6933               mvolo@ecsvax.edu

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