On Mon, 3 Jun 2013 22:20:20 -0300 Henrique de Moraes Holschuh <h...@debian.org> wrote:
> On Sun, 02 Jun 2013, Celejar wrote: > > On Sun, 2 Jun 2013 21:54:09 -0300 > > Henrique de Moraes Holschuh <h...@debian.org> wrote: > > > http://www.thinkwiki.org/wiki/Problem_with_hard_drive_clicking > > > > > > > 2) What should I do to attempt to preserve whatever life it has left? > > > > hdparm -B 254/255? Anything else? > > > > > > You need to issue that hdparm every time the box had any reason to change > > > power policy to be sure it stuck. So make sure to reissue it when waking > > > up, and when AC power is connected/disconnected. > > > > Thanks. Any ideas about why the load cycle count is so high and > > increases so fast? I thought even -B 128 is a pretty standard value. > > And would you recommend 254 or 255? > > It will unload the heads when left idle for a few seconds, presumably so as > to power off the head actuator. Also, the HDD is much less prone to damage > due to shock when the heads are unloaded... Yes, I can understand why it would do that; I just thought that it sounded rather aggressive, and I became chagrined about what that portended for my HDD's life expectancy. > > As to where to put the hdparm invocations, I suppose that writing an > > "OnResume nn hdparm ..." directive in hibernate.conf will take care of > > issuing it on wakeup, and setting all *_HD_POWERMGMT=254 in > > laptop-mode.conf will take care of the AC power connect / disconnect > > cases? > > Laptop mode was enough to deal with it on my T43, yes. Note that I > configured it manually. > > As for the 600k head unload limit on the Hitachi 7K60 and 7K100 HDDs, that > value comes directly from the data sheet. Thanks. Celejar -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20130604213024.2e437387b19b41b1fa5c9...@gmail.com
