[Beowulf] mysterious slow disk
carsten.aulbert at aei.mpg.de
Mon Mar 3 22:57:24 PST 2008
David Mathog wrote:
> 2. hdparm -i -v and -i -m are identical on all machines, except
> for serial number. Here is -i -v on the slow one:
Looks good. Can you run hdparm -I /dev/hda?
And there please have a look at the line with acoustic mgmt:
Recommended acoustic management value: 128, current value: 128
(this line is from my laptop).
Run it on the faster node and compare those. Maybe it's ust that somehow
acoustic mgmt is enabled on one and not on the other.
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