Solved the problem. Marco Peereboom suggested to check writeback cache and I obviosly missed that.
Thank you. Regards, Mitja Mitja wrote: > Hi, > > I am trying to figure out why the performance of PERC 4/SC RAID controller is > so poor. I've searched the archives > but nothing usefull came up. I'm running OpenBSD 3.8-release on a Dell > PowerEdge 1800 server, RAID 5. > > # time (dd if=/dev/zero of=x bs=1m count=100; sync; sync) > 100+0 records in > 100+0 records out > 104857600 bytes transferred in 9.765 secs (10737292 bytes/sec) > 0m15.40s real 0m0.00s user 0m0.23s system > > > Any clues or this kind of throughput is normal? > > > Regards, > Mitja
