COMPAT4X and 5.x ... how backwards compatible?

[Colin Percival]

At 19:14 15/05/2004, Marc G. Fournier wrote:
>I'm picking up some new servers, and want to start looking at migrating to
>5.x from 4.x ... how viable is it to install 5.x on the new server, and
>move an existing jail'd environment over to there and run it, with the 4.x
>binaries/libraries inside of the jail?  Is this "wishful thinking" on my
>part, that this would be possible?

As long as you mount an appropriate devfs inside each jail, this should
be possible.  I run RELENG_4_x jails inside a RELENG_5_2 system for the
purpose of building binary updates, and I haven't had any problems yet.

Colin Percival