On Wed, Aug 04, 2010 at 10:13:36PM -0400, Joshua Boyd wrote: > On Wed, Aug 4, 2010 at 10:13 AM, Alex V. Petrov <alexvpet...@gmail.com>wrote: > > > interesting results: > > > > From single-UDF-disk to pool: > > $ dd if=petrovs-disk1.iso of=/tank/petrovs-disk1.iso bs=1M > > 3545+1 records in > > 3545+1 records out > > 3718002688 bytes transferred in 438.770195 secs (8473690 bytes/sec) > > > > From single-UDF-disk to null: > > $ dd if=petrovs-disk1.iso of=/dev/null bs=1M > > 3545+1 records in > > 3545+1 records out > > 3718002688 bytes transferred in 83.304575 secs (44631435 bytes/sec) > > ------ > > Alex V. Petrov > > _______________________________________________ > > freebsd-stable@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > > To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org" > > > > What controllers are you using? > > What's the results of dd if=/dev/ada4 of=/dev/null bs=1M count=100 ?
His problem is with writes, not reads. I strongly doubt his problem is with the controller (Intel ICHxx and ESBxx controllers are heavily tested on FreeBSD, both with and without AHCI, including ahci.ko). -- | Jeremy Chadwick j...@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "freebsd-stable-unsubscr...@freebsd.org"