Questions about ZFS Tuning
jmc-freebsd2 at milibyte.co.uk
Mon Sep 17 17:22:30 UTC 2012
On Monday 17 September 2012 13:20:14 Jamie Paul Griffin wrote:
> I set zfs.zfs.prefetch_disable=0 because some dmesg line suggested/implied
> it would benefit. I don't recall the exact output now.
If you look in /var/run/dmesg.boot you should find the message saying "ZFS
NOTICE: Prefetch is disabled by default if less than 4GB of RAM is present;
to enable, add "vfs.zfs.prefetch_disable=0" to /boot/loader.conf."
Since you have 2GB RAM then it's best to leave things as they are with
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