[ltp] Hard drive constantly spinning down

Eric Van Buggenhaut linux-thinkpad@linux-thinkpad.org
Wed, 26 Oct 2005 23:32:55 +0200


On Tue, Oct 18, 2005 at 06:46:14PM -0400, Alejandro Bonilla wrote:
> On Wed, 19 Oct 2005 00:09:46 +0200, Eric Van Buggenhaut wrote
> > On Sat, Oct 15, 2005 at 11:08:11PM -0700, Bill Sheppard wrote:
> > > I just replaced the standard 40GB drive in my T42 with a Toshiba 60GB
> > > drive.  Upon booting it appears the drive is spinning down after only a
> > > few seconds, as almost every command I type is followed by a slight
> > > delay, and then I hear the drive spin up.  I've tried "hdparm -B 255
> > > /dev/hda" to turn off APM on the drive, but this doesn't seem to help. 
> > > I also think the drive may be operating far slower than it should - I
> > > tried a "hdparm -t /dev/hda" and only got about 30MB/sec.  If I'm not
> > > mistaken the old drive got over 100MB/sec, and this drive in it's
> > > previous laptop (Toshiba Tecra S1) got around 100MB/sec as well.
> > 
> > I'm not sure but 100MB/s seems a lot. I own a 60GB 7200 RPM disk and 
> > it gives me 36MB/s for buffered reads and 1147MB/s for cached reads
> > 
> > Could other people post their result too ?
> 
> Maybe this is laptop-mode fault?
> abonilla@debian:~$ sudo hdparm -I /dev/hda
> 

What about hdparm -tT /dev/hda ?


-- 
Eric VAN BUGGENHAUT
Eric.VanBuggenhaut@AdValvas.be