WARNING:

Fiddling around with hdparm might stop the unload/load cycles but can
also dramatically increases HD Temp - at least here on my Compaq
Evo600N:

192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       
-       12
193 Load_Cycle_Count        0x0032   094   094   000    Old_age   Always       
-       67387
194 Temperature_Celsius     0x0022   100   100   000    Old_age   Always       
-       50 (Lifetime Min/Max 16/50)

-->we have winter, the laptop is being used as a web server, low load, in a 
very cold room (14 degress Celsius!!) The fan is going on constantly to cool 
down the HD.
I took the -B 200 value, which works fine for my HP NX6325 - but NOT for this 
machine. I have to check if this is connected with laptop-mode - although I am 
on cable, it seems to be activated during boot up.

So careful with modifying APM values with hdparm.....

I think this bug does not get more importance until Mark Shuttleworth
notebook dies from it :-((((((

-- 
default value in power.sh potentially kills laptop disks
https://bugs.launchpad.net/bugs/59695
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