On Tue, 2005-12-20 at 22:40 +0100, MrVanes wrote: > Can anybody tell me where to look or how to find out what process is writing > to (or reading from) the HD that makes spindown in a single HD system > impossible? > I use a homebrewn kernel (2.6.14). Is or are there kernel option(s) that > check the filesystem that I can (should) disable like inotify or dnotify?
Try mounting your filesystems with the 'noatime' option. By default, each time a file is accessed, regardless of whether it is already loaded into memory, the kernel will update the access time file attribute, causing a disk write. Most people don't ever use this information so it should be safe to turn it off. I shouldn't think this would be the cause of all the disk activity but you should see a noticeable reduction (as I did on one of my systems). HTH, Adam.
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