Gustin Johnson wrote: > Ralf Mardorf wrote: > <snip> >>>> but making hard disks sleep is a PITA on Linux, >>>> >>> indeed. >>> > Really? I have I used this ability under Linux for the better part of a > decade. >> :(
still, setting it up properly is not trivial. >>>> hdparm doesn't work on many machines, so the hard >>>> disks are running all the time, even if I only need one of two devices. >>>> > It has worked on pretty much every machine I have ever owned. For USB > connected devices I have used sdparm. The syntax is different so you > will need to RTFM. > >>> It's not only hdparam but also the 'noatime' mount option, >>> /proc/sys/vm/dirty_writeback_centisecs (or /etc/sysctl.conf) and ext3's >>> journal_data_writeback option (`man tune2fs`). >>> ..and beware: in case of power-loss it can be dangerous to have fiddled >>> with those!!! > > noatime is not dangerous, right, sorry. I should have said the latter two are dangerous. > but does not really gain anything either since > it happens when you are accessing a disk. ..or when re-accessing some file that is already in the disk-cache. It probably does not have any impact on audio workstations, but it does matter when listening to mp3s on the road for example. It spins up the disk again. > Messing with journal options > is probably not the best idea, especially on a DAW where data integrity > would presumably be important. ;-) > Usually you only see the noatime and nodatime options when using write > sensitive media like compact flash. In those cases you would not be > using ext3 anyway. >>> I'm not sure if /etc/hdparm.conf accepts wildcards, but I'd hazard a >>> guess that >>> /dev/discs/disc*/disc { >>> spindown_time = 240 >>> } >>> may be a good default for 64studio. >>> > >>> >>>> It's written that Intel can't scale each core of a CPU independently, > > Anything older than the Core i7 does not scale independently. I did not > know that AMD could do this, perhaps they got something right with AM2 > after all. > _______________________________________________ 64studio-users mailing list 64studio-users@lists.64studio.com http://lists.64studio.com/mailman/listinfo/64studio-users