According to Kris Kennaway: > (ports-i386:~)> cat /boot/loader.conf > vfs.zfs.prefetch_disable=1 > vm.kmem_size=1572864000 Hvae you tried w/o the prefetch_disable tunable? -- Ollivier ROBERT -=- FreeBSD: The Power to Serve! -=- roberto at keltia.freenix.fr Darwin sidhe.keltia.net Version 9.2.0: Tue Feb 5 16:13:22 PST 2008; i386