Exposing a hierarchy of ZFS datasets inside multiple jails

[Alexander Leidinger]

On Fri, 17 Jun 2011 14:46:59 -0400 Lars Kellogg-Stedman
<lars at seas.harvard.edu> wrote:

> Hello all,
> 
> Hi there,
> 
> I am trying to expose a hierarchy of home directories to a number of
> FreeBSD jails. The home directories are configured such that each is a
> unique ZFS dataset. The jails are used for development work and hence
> are created and destroyed on a regular basis.
> 
> My first thought was simply to use nullfs to mount /home inside the
> jail, but nullfs doesn't provide any way to access subordinate
> filesystems.
> 
> My second thought was to export the directories via NFS and then run
> the automounter daemon (amd) inside each jail. This would have Just
> Worked...if it were possible to perform NFS mounts inside a jail. But
> it's not.

See the second part of the patch at
http://www.leidinger.net/FreeBSD/current-patches/sys:nfsclient.diff
for how to allow NFS mounts in a jail.

Bye,
Alexander.

-- 
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