Quoting Carsten Koch:
Matthias Schniedermeyer wrote: ...
- Is there a bug in the linux kernel that makes it spin up the disk needlessly even if the data are still in the cache?
...
I haven't tried or read it myself, but this: Documentation/laptop-mode.txt might contain the information you need.
Correct. Interesting information. I'll try it out.
You may have a look at the following page too: http://gentoo-wiki.com/HOWTO_HDD_spindown_small_server
Stefan Lucke