*BSD News Article 83186


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From: mlb@csn.org
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Can geometry affect D. I/O performance?
Date: Mon, 18 Nov 1996 21:41:57 -0700
Organization: SuperNet Inc. +1.303.296.8202 Denver Colorado
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hello.

   While the probe at boot correctly identifies the geometry of
   my IDE drive ( the correct # of clys, hd's etc ), during 
   installation I configured with all 0's [zeros].

   My drive I/O seems a bit slow compared to my experiances 
   w/other Intel UNIX's, could my geometry ( or lack there of! )
   be causing this?

   Are there any obvious/ or frequntly tweaked kernel parameters
   or buffers that I should adjust ( beyond the default )?

   thx in advance for any tips,

   Michael Borowski
   mlb@csn.org