On Fri, 30 Jul 2004 at 11:16am, Mark Watts wrote > Basically anything involving I/O is causing the system to crawl. > I can reliably reproduce this by doing: > > mke2fs -j /dev/sda7 > > Where sda7 is a 600GB partition. > > Basically the system load goes orbital and responsivness goes out the window. > gkrellm only shows ~1MB/sec of disk activity and the processors (Dual Opteron) > are twiddling their thumbs (top shows 100% 'wa' state for both processors), > yet I can hardly do anything with any open applications. > > Kernel is a 2.6.8rc1 kernel.org job. Make sure that your driver and firmware versions match (check the 3ware site). Also, have you tried other FSs? I get *very* good performance out of 7500-8s using XFS on 2.4 (and hardware RAID5+software RAID0). I haven't tried 2.6 yet. -- Joshua Baker-LePain Department of Biomedical Engineering Duke University - 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