On Thu, Aug 7, 2008 at 3:21 AM, Mario Weilguni <mweilguni@xxxxxxxx> wrote: > Mark Kirkwood schrieb: >> >> Mark Kirkwood wrote: >>> >>> You are right, it does (I may be recalling performance from my other >>> machine that has a 3Ware card - this was a couple of years ago...) Anyway, >>> I'm thinking for the Hardware raid tests they may need to be specified. >>> >>> >> >> FWIW - of course this somewhat academic given that the single disk xfs >> test failed! I'm puzzled - having a Gentoo system of similar configuration >> (2.6.25-gentoo-r6) and running the fio tests a little modified for my config >> (2 cpu PIII 2G RAM with 4x ATA disks RAID0 and all xfs filesystems - I >> changed sizes of files to 4G and no. processes to 4) all tests that failed >> on Marks HP work on my Supermicro P2TDER + Promise TX4000. In fact the >> performance is pretty reasonable on the old girl as well (seq read is >> 142Mb/s and the random read/write is 12.7/12.0 Mb/s). >> >> I certainly would like to see some more info on why the xfs tests were >> failing - as on most systems I've encountered xfs is a great performer. >> >> regards >> >> Mark >> > I can second this, we use XFS on nearly all our database servers, and never > encountered the problems mentioned. I have heard of one or two situations where the combination of the disk controller caused bizarre behaviors with different journaling file systems. They seem so few and far between though. I personally wasn't looking forwarding to chasing Linux file system problems, but I can set up an account and remote management access if anyone else would like to volunteer. Regards, Mark