ZFS to support chflags?

[Craig Boston]

On Thu, Apr 12, 2007 at 02:03:41PM +0200, Ed Schouten wrote:
> There are nicer ways to do that as far as I know. Just read-only
> nullmount some kind of base install to another directory. Union mount
> another directory on top that holds jail specific data. That way you
> have a `copy-on-write' FreeBSD install. Make sure you mount everything
> with noatime.

Or, since we're talking about ZFS here, snapshot a "master" install
directory and clone it to the jail roots :)