TRIM on ZFS mirror

[Dan Nelson]

In the last episode (Aug 02), John Andreasson said:
> I read that FreeBSD 9.2 will bring TRIM to ZFS. Does anyone know if this
> works even if the zpool is a mirror?

The vdev type doesn't matter.  It'll work on plain disks, mirrors, and
raidzs.  If for some reason you have a pool built on geom mirrors, it'll
work on that, too, since gmirror forwards BIO_DELETE requests to its
components.

-- 
	Dan Nelson
	dnelson at allantgroup.com