dragonfly- UFS + HAMMER + mirroring setup designed instead of RAID - Is this OK?

[Siju George]

On Thu, Jun 25, 2009 at 8:55 PM, Matthew
Dillon<dillon at apollo.backplane.com> wrote:
>
>    mirror-stream only exits if the connection is lost so it is still a
>    good idea to check-start it with cron.  I usually use lockf for that
>    and a simple script.  Also make sure it isn't being verbose when run
>    from cron or poor cron will be collecting a very large temporary mail
>    file.
>
>    10 1 * * *      (cd ~/adm; /usr/bin/lockf -k -t 0 .lockmirror ./do_mirror 1)
>

After reading the man page for 'lockf' I did not get how to implement
it actually. Are '.lockmirror'  and 'do_mirror' scripts? If so Please
can I get to see them?

thanks

--Siju