[ltp] hdparm params for 7k60 drive
Tue, 23 Dec 2003 20:35:54 -0500
Steve Barr wrote:
> Thanks for posting; I wouldn't have played around with this otherwise.
> For some reason I could not set readahead to 256:
> setting fs readahead to 256
> BLKRASET failed: Invalid argument
> So I set it to 192:
> readahead = 192 (on)
> With these results:
> hdparm -tT /dev/hda
> Timing buffer-cache reads: 1616 MB in 2.01 seconds = 803.98 MB/sec
> Timing buffered disk reads: 112 MB in 3.00 seconds = 37.33 MB/sec
> Perhaps there is an even better setting waiting to be discovered...
> I'm running RH9 on a T40p in case that matters.
> Thanks again,
Heh, my T41 with the 40 GB 5400 rpm drive is about the same speed:
hdparm -tT /dev/hda
Timing buffer-cache reads: 1820 MB in 2.00 seconds = 909.23 MB/sec
Timing buffered disk reads: 110 MB in 3.03 seconds = 36.25 MB/sec
I'm running Fedora. On a sidenote, after I upgraded to the 2.6 kernel,
the 3rd button started working :D.