RE: hdparm and hd performance

["Keith S Marshall" <kmarshall@commercenti.com>]

can't say whether your values are right,but this site might help some


http://www.oreillynet.com/pub/a/linux/2000/06/29/hdparm.html

-----Original Message-----
From: Anthony Fox [mailto:adf5j@cs.virginia.edu]
Sent: 31 October 2000 11:36
To: debian-user@lists.debian.org
Subject: hdparm and hd performance


Hello,

I have two IBM 75GXP 15.3G harddrives.  The IBM website states that this
particular drive can sustain data transfer rates of 37MB/sec.  I am
attempting to use hdparm to check my harddrive performance.  I get the
following values:

Timing buffered disk reads:  64 MB in 21.64 seconds =  2.96 MB/sec
Timing buffer-cache reads:   128 MB in  1.09 seconds =117.43 MB/sec

I am fairly certain that I am using ATA/66 as that is what my BIOS tells
me.

So, my question is: am I missing something completely obvious or are these
performance values way below the stated specs?

Any help would be appreciated.

Thanks.
-Anthony.


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