On Fri, Nov 26, 2010 at 08:49:48AM +0100, Stephan wrote: > Hi folks, > > I already sent this to netbsd-users but didnĀ“t get an answer. The > Netbsd mpt driver in release 5.0.2 and 5.1 does perform extremely slow > on LSI Logic 1030 RAID controllers. Some findings: > > Write speed: > > # dd if=/dev/zero of=myfile bs=4096 count=10000 > 10000+0 records in > 10000+0 records out > 40960000 bytes transferred in 12.762 secs (3209528 bytes/sec) > > Read speed after reboot: > > # dd if=myfile of=/dev/null > 80000+0 records in > 80000+0 records out > 40960000 bytes transferred in 6.929 secs (5911386 bytes/sec)
what does 'dd if=myfile of=/dev/null bs=64k' shows ? Also, what RAID level is it ? -- Manuel Bouyer <bou...@antioche.eu.org> NetBSD: 26 ans d'experience feront toujours la difference --