More into /etc/rc.d/jail
brooks at one-eyed-alien.net
Wed Aug 10 05:54:21 GMT 2005
On Wed, Aug 10, 2005 at 12:05:26AM +0200, Jeremie Le Hen wrote:
> Hi Brooks,
> > > This was recently discussed in some thread. The problem with this
> > > approach is that file backed md(4) devices are too slow to make it
> > > standard. This is why this won't go into FreeBSD, IMHO.
> > Nonsense. Integrating support for mounting file backed MD file systems
> > at boot would be quite logical even if md(4) devices are slow. In a
> > large portion of cases, the overhead isn't relevent compared to the
> > administrative freedom granted by using files instead of partitions.
> Ok. Then Stefan Bethke's script (see his mail in this thread) might be
> a better solution since it is a more generic. However it is not
> explicitely bound to jails has initially requested, so a note in jail(8)
> manpage would be worth in this case.
I'm of two minds about a more generic solution. On hand jails aren't
the only logical consumers of file backed mds. On the other hand,
there's a fair bit of value in being able to start and stop a jail with
"/etc/rc.d/jail start|stop <jailname>". The answer here might be to
have an mdmount (or something) script that runs fairly early in the
boot process, but also supports a "mdmount start|stop <path>" form.
Code could then be hooked into the jail script to use that to mount and
unmount jail drives during the start/stop process. I'm not sure what
hte best approach is.
Any statement of the form "X is the one, true Y" is FALSE.
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