[LAU] optimal disk performance, ubuntu

[Peder Hedlund]

Quoting Peder Hedlund <peder at musikhuset.org>:

> Those numbers seem about right. The three disks in my PC at work show:
>
> sda: Samsung SpinPoint SP0411C 40GB SATA/150 7200RPM 2MB HDD
> /dev/sda:
>   Timing cached reads:   2920 MB in  2.00 seconds = 1460.18 MB/sec
>   Timing buffered disk reads:  150 MB in  3.02 seconds =  49.72 MB/sec

Hmm, I tried using hdparm-9.3 (as opposed to the default 6.6) and the  
cached reads dropped to short of 700. The buffered numbers remained  
though.

- Peder