Thanks Remy. I'll investigate some of these settings. As I sat here at 6:48AM (roughly) the drive spun up again. I was watching 'top' but couldn't tell what process used more CPU.
One setting I noticed rereading the config file was this one: <SNIP> Enable laptop mode always, not just when on battery? # (This will still disable laptop mode when the battery almost runs out.) LAPTOP_MODE_ALWAYS_ON=0 <SNIP> Since it's a desktop machine it would seem that maybe laptop mode is not totally operational since I would never be on battery? I'm trying changing this to '1' and seeing what happens. cheers, Mark On 6/8/05, Remy Blank <[EMAIL PROTECTED]> wrote: > Mark Knecht wrote: > > I'm experimenting with leaving a drive turned off in a MythTV > > frontend. I have laptop_mode turned on with whatever it has for > > default settings. I have vixie-cron turned off. Once an hour it seems > > that the drive still spins up for about 1 minute. How can I find > > what's causing that and at least make it more infrequent? I see > > nothing in /var/log/messages nor anything in dmesg. Is there somewhere > > else I should look? > > Laptop mode prevents the drive spinning up when a process writes to the > disk. However, in its default configuration, it is configured to flush > the cached writes after a maximum of 600 seconds (MAX_AGE). On my > laptop, this means that the drive does spin up about every 10 minues. > > Your could try enabling "block dumping" in the kernel: > > echo 1 >/proc/sys/vm/block_dump > > After that, the kernel will dump every block read and write to the > kernel log. This might allow you to identify which file is accessed and > which process causes the access. > > Note that you better switch off any logger before doing that (or at > least log through the network), otherwise you'll see all the writes from > the logger itself... > > HTH. > -- Remy > > > Remove underscore and suffix in reply address for a timely response. > > -- > gentoo-user@gentoo.org mailing list > > -- gentoo-user@gentoo.org mailing list
