Make installworld in single-user mode all the time?

[Kris Kennaway]

On Thu, Mar 23, 2006 at 09:25:13AM +0100, Philippe Lang wrote:
> Hi,
> 
> I'd like to patch a production server, with about 10 jails, running FreeBSD
> 6.0 Release, in order to get FreeBSD 6.0-p6.
> 
> Since this server is being hosted on a remote location, rebooting in
> single-user mode before doing the installworld requires me to move to the
> hosting center.

Or set up a serial console so you don't have to in future
(recommended).

> Documentation mentions that a reboot in single-user mode is necessary. But
> on the opposite, /usr/src/UPDATING says:
> 
> > Also, when doing a major release upgrade, it is required that
> > you boot into single user mode to do the installworld.
> 
> Since this is no "major release upgrade", does that mean I can do the
> installworld in multi-user mode?

You can often get away with it, except when you can't.

> I have tested that on a smaller test server yesterday evening, I have even
> done the installworld in running jails, and it worked just fine. Was I lucky
> maybe?

Somewhat.

> Does anyone have a definitive guide to update FreeBSD correctly?

You've already quoted from it.  The same procedure is in the handbook.

Kris
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