Try booting with the following on /boot/loader.conf: vfs.zfs.vdev.max_pending="10" vfs.zfs.txg.write_limit_override=268435456
And remove setting: vfs.zfs.cache_flush_disable=1 Then try a dd from /dev/zero. Cheers, mm Dňa 4. 8. 2010 16:13, Alex V. Petrov wrote / napísal(a): > 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" _______________________________________________ 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"