Hi,
In your case (24x7), you should use a value for "-B" that can increase
the life of your hard drive having a reasonable temperature. My hard
drives tells (through smartctl) 41ºC and 13/51 for actual and min/max
temperatures. I'm using "hdparm -B254" since yesterday because it
reached 400k loads.
I don't know any case of certain hard drive broker due to load/unload
cycle but reading specifications I found that the drives can support
about 300k loads and can effort a million loads without crashing but
with no warranties.
I didn't find any execution of hdparm in the start-up scripts, the
problem should be in BIOS or kernel. The hard drive can have default
configuration to get a balance between its capabilities (temperature,
loads, spins, etc), this may be configured by BIOS in the POST or by the
drive firmware in its reset.
Regards,
Pedro
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Pedro Martínez Juliá
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Socio HispaLinux #311
Usuario Linux #275438 - http://counter.li.org
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default value in power.sh potentially kills laptop disks
https://bugs.launchpad.net/bugs/59695
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