FreeBSD services.tcbug.org 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Mon Feb 16 21:07:14 UTC 2009 root@:/usr/obj/usr/src/sys/SERVICES amd64

But 6.x and 7.x give similar results.

The disks themselves are capable of sequential read/write in the 180 Meg/sec range, so I'm trying to understand why I'm being told they are 100 Meg/sec, and why that seems to be their real world performance cap.


probably you use RAID5

# dd if=/dev/zero of=stuff bs=8m count=100
100+0 records in
100+0 records out
838860800 bytes transferred in 8.711125 secs (96297644 bytes/sec)

Thanks,

Josh Paetzel




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