On Thu, 12 Feb 2004, Steve Crawford wrote: > I spoke with some 3Ware reps at a trade show and they recommended > adding the following to /etc/sysctl.conf: > vm.max-readahead = 256 > vm.min-readahead = 128 > > These settings take effect at boot. To change on a running system: > echo 256 > /proc/sys/vm/max-readahead > echo 128 > /proc/sys/vm/min-readahead > > This advice was specific to the 3Ware card on Linux. > > Cheers, > Steve >
Thanks for the information, Steve. It didn't cure the write storm, but I'm sure I gained some read performance. Every little bit helps... - Greg ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster