Apparently, laptop_mode causes issues for some people, though. But, perhaps it would be doable to identify models that *do* have issues with laptop_mode, and disable them? ..laptop_mode is what I'm using to keep cool, these days.. Heads park, and stay parked for a reasonable length of time.
On Mon, 2008-02-04 at 14:19 +0000, Baronek wrote: > My laptop was experiencing problem in this thread. > Now it is working quite better, hard drive can be idle for so long that it > parks heads and so on - parking cycles still increses but I daresay at the > sane levels - I've got 10k after half a 5 months of usage. > So what i did? > > I've tried every trick that i can think of that could reduce hdd usage: > http://www.lesswatts.org/tips/disks.php - this was good starting place - I've > used every trick there, took some of them to extreme. > I've inputed insane high values for everything, like thay say: > echo 1500 > /proc/sys/vm/dirty_writeback_centisecs > i did: > echo 150000 > /proc/sys/vm/dirty_writeback_centisecs > > Other tricks (not only hard drive) are also worth trying. > > I've checked logs, disabled acpi logging as this was cousing insane high > amouts of logs (some kind of error or sth), set all logs NOT to be flushed. > I've disabled uneccessary services (cups for example - it is known to couse > problems with hdd usage) > I've disabled or make happen not so often many services from cron (updatedb > anyone? hate this). I do not start cron if on battery (with laptop mode) > Of course disks mounted with noatime, nodiratime. > I've enabled laptop mode with aggressive pwr mgmt (insane high amouts for > acceptable data loss time for the example) > I am using B 128 on battery and 254 on ac. Hard drive spindown on battery is > 30 seconds. If i do just web and IM hdd can be spined down for 10-15 minutes. > (not parked, spined down) > > I encourege all of you to try the same - tweak your system so no hard > disk activity is going on, this is our problem, not head parking. On > windows it just depend how much bloatware you have i guess. > -- High frequency of load/unload cycles on some hard disks may shorten lifetime https://bugs.launchpad.net/bugs/59695 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
