Pascal Vandeputte wrote: > Tejun Heo wrote: >> Hello, >> >> Pascal Vandeputte wrote: >> >>> Hi, >>> >>> I've been highly frustrated for more than a year about this problem with >>> my HP nx7400 laptop and its Seagate Momentus 5400.2 disk (which is >>> otherwise a really fine piece of equipment). By switching from Ubuntu to >>> openSUSE today, I had to look for the Suse way of fixing this up >>> (instead of editing /etc/hdparm.conf on Ubuntu), and I stumbled upon the >>> storage-fixup script which is really nice! >>> >>> As my harddisk isn't included in by default yet, I've attached the >>> required information to this e-mail. >>> >>> Adding this to /etc/storage-fixup.conf solves it: >>> >>> # Reported drive model: ST9100824AS >>> rule hp-nx7400 >>> dmi system-manufacturer Hewlett-Packard >>> dmi system-product-name HP Compaq nx7400* >>> ata model ST9*AS >>> act hdparm -B 255 $DEV >>> >> How much does the Load_Cycle_Count increase under idle usage per hour >> without the adjustment? >> > About thrice per minute: > > # while : ; do smartctl --all /dev/sda | grep ^193; sleep 60; done > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126856 > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126859 > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126862 > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126865 > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126867 > 193 Load_Cycle_Count 0x0032 037 037 000 Old_age > Always - 126869 > > I reached the first 120000 cycles within 10 months of moderate usage > (it's my personal laptop, not used for my day job). > > It occurs in Windows XP as well, but not as frequently. > >>> An unfortunate side-effect of meddling with the power saving on my >>> system occurs at shutdown: for some reason I can clearly hear the drive >>> spin down and then suddenly spin up and initialize again before the >>> power is killed... This doesn't happen if I leave everything at default >>> settings. Restoring the default setting (128) manually before shutting >>> down doesn't prevent this either. It's weird and I've been working >>> around it by rebooting and using the power button when I see GRUB appear. >>> >> That's a known problem of certain HP laptops. Please take a look at the >> following bug report. >> >> http://bugzilla.kernel.org/show_bug.cgi?id=8855 >> >> Thanks. >> > Thanks for the pointer, I have already submitted my own data in that > topic in the mean time. I hope that someday I can install the latest > distro without worrying about hdparm tweaks :-) > > Greetings, > > Pascal added -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
