Re: Spurious reboot in 8.1-RELEASE when reading from ZFS pool with > 9 disks

2010-10-20 Thread Sean Thomas Caron
Hi Jeremy, Thanks for the very helpful response! I added all debugging options that you specified to my kernel and rebuilt; then set the kernel parameters as you mention (I was being a bit lazy earlier when I called them sysctls; I always tuned them in loader.conf; just that you can view t

RE: Spurious reboot in 8.1-RELEASE when reading from ZFS pool with > 9 disks

2010-10-20 Thread Sean Thomas Caron
Hi Lawrence, Interesting; have you tried this for raidz2 as well? I just created a raidz2 pool with 5 disks and then added another 5 disk raidz2 to it, so, total of 10 disks in the pool (though this is ultimately a losing strategy unless the number of disks is >> 9 because two drives are l

Spurious reboot in 8.1-RELEASE when reading from ZFS pool with > 9 disks

2010-10-20 Thread Sean Thomas Caron
Hi folks, I've been playing with ZFS in 8.1-RELEASE (amd64) on a Sun Fire X4500 with 16 GB RAM and in general it seems to work well when used as recommended. BUT... In spite of the suggestion of Sun and FreeBSD developers to the contrary, I have been trying to create some zraid pools of