Hi Sebastian, On Sat, Jun 28, 2008 at 09:00:05PM +0200, Sebastian Breier wrote: > Am Samstag, den 28.06.2008, 14:21 -0400 schrieb Forest Bond: > > Not only does it clobber them, though, it overrides on-battery HDD APM > > settings > > (hdparm -B, hdparm -S) with some pretty aggressive settings that can, in > > fact, > > lead to people's hard drives dying early. Users that think they are setting > > their HDD APM settings on the safe side (in > > /etc/laptop-mode/laptop-mode.conf) > > have no idea that their drives are being worked pretty hard. See #37187. > > I don't want to dismiss your arguments, I have the problem (in quite a > nonhazardous way though, my drive will only die in 3 years) myself. > > I just want to mention two things that are most probably true: > 1) Power saving is known to destroy hardware, not even hard drives; > That's known to technically inclined people. > Monitors, power supplies, fans, anything can break earlier if power > management interferes with it constantly, *especially* mechanical > hardware like hard drives. > 2) Users who tweak their configs should know what they are doing. > > => Users who tweak power management settings should be aware they might > make things worse. > > I'm not saying to leave this bug alone. > I'm only saying I'm much more worried about casual users who have the > problem since install, and don't know anything... and suddenly their > drive is trashed. > > I myself was completely unaware of the bug some months ago, but I was > aware of my disk constantly clicking. > After some time, I did some research, and then the issue also crept up > on IT news sites. > > To conclude: If people change a config setting "to be on the safe side", > they better check if their (load_cycle_count / power_on) ratio > decreases. > You can't change configs and assume all is right without checking. ;-)
I agree that it's reasonable to assume that users who go messing with /etc/* should be expected to know what they're doing. However, just because advanced users can debug these kinds of problems doesn't mean that they should have to. It is a time consuming process, and users should be able to assume that the default configs are at least coherent and behave as advertised in comments, etc. -Forest -- Forest Bond http://www.alittletooquiet.net http://www.pytagsfs.org
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