dean gaudet wrote: > > i see you have split /var and / on the same spindle... if your /home is on > / then you're causing extra seek action by having two active filesystems > on the same spindles. another option to consider is to make / small and > mostly read-only and move /home to /var/home (and use a symlink or mount > --bind to place it at /home). > Yes I have it like this now: /var/bind/home on /home type bind (rw,bind,noatime) > hopefully your swap isn't being used much anyhow. > Zero used, infact. > try "iostat -kx /dev/sd* 5" and see if the split is causing you troubles > -- i/o activity on more than one partition at once. > It seems to be roughly the same numbers on the disks. > turning off write caching is a recipe for disasterous performance on most > ata disks... unfortunately. better to buy a UPS and set up nut or apcupsd > or something to handle shutdown. or just take your chances. > This is a mail server, I would like it to not lose mail if there is an power outage. Is there anything one can do without buying more hardware? Thanks for the feedback, Magnus - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html