<div class="gmail_quote">On Tue, Feb 2, 2010 at 1:26 PM, David Durham <span dir="ltr"><<a href="mailto:david.durham.jr@gmail.com">david.durham.jr@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="im">>> $ sudo hdparm -tT /dev/sdh<br>
>><br>
>> /dev/sdh:<br>
>> Timing cached reads: 7820 MB in 2.00 seconds = 3913.46 MB/sec<br>
>> Timing buffered disk reads: 40 MB in 4.31 seconds = 9.27 MB/sec<br>
>><br>
><br>
> That is ridiculous. The buffered disk read should be 10 times that number..<br>
<br>
</div>I ran it a few more times. Any idea what the issue could be?<br>
<div class="im"><br>
<br>
$ sudo hdparm -tT /dev/sdh<br>
<br>
/dev/sdh:<br>
</div> Timing cached reads: 8196 MB in 2.00 seconds = 4101.81 MB/sec<br>
Timing buffered disk reads: 2 MB in 3.53 seconds = 580.46 kB/sec<br>
<div class="im">$ sudo hdparm -tT /dev/sdh<br>
<br>
/dev/sdh:<br>
</div> Timing cached reads: 8036 MB in 2.00 seconds = 4021.32 MB/sec<br>
Timing buffered disk reads: 4 MB in 14.20 seconds = 288.43 kB/sec<br>
<div class="im">$ sudo hdparm -tT /dev/sdh<br>
<br>
/dev/sdh:<br>
</div> Timing cached reads: 7744 MB in 2.00 seconds = 3875.10 MB/sec<br>
Timing buffered disk reads: 2 MB in 4.90 seconds = 417.84 kB/sec<br>
<br>
<br>
<br>
-Dave<br>
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</div></div></blockquote></div><br><br>it's not IDE so not be a bus issue..<br>