ZFS in jails 9.2-RC1 permission denied

[Trond Endrestøl]

On Fri, 9 Aug 2013 13:35+0300, George Kontostanos wrote:

> On Fri, Aug 9, 2013 at 8:55 AM, Trond Endrestøl <
> Trond.Endrestol at fagskolen.gjovik.no> wrote:
> 
> > On Thu, 8 Aug 2013 19:04+0300, George Kontostanos wrote:
> >
> > > On Thu, Aug 8, 2013 at 2:59 PM, Mark Felder <feld at freebsd.org> wrote:
> > >
> > > > On Thu, Aug 8, 2013, at 6:53, George Kontostanos wrote:
> > > > >
> > > > > Anybody?
> > > > >
> > > >
> > > > Can you provide your jail configuration? I think 9.2 introduces the new
> > > > /etc/jail.conf functionality and perhaps it somehow it broke the way
> > you
> > > > were doing it previously? If so, the old method is supposed to be work
> > > > as well...
> > >
> > > jail_enable="YES"
> > > jail_list="jail1"
> > > jail_jail1_rootdir="/tank/jails/jail1"
> > > jail_jail1_hostname="jail1"
> > > jail_jail1_interface="em0"
> > > jail_jail1_ip="172.16.154.32"
> > > jail_jail1_devfs_enable="YES"
> >
> > During my experimentation yesterday, I had to add:
> >
> > jail_jail1_parameters="enforce_statfs=1 allow.mount=1 allow.mount.zfs=1"
> >
> > I wish there was a way of executing a command in the host environment
> > _after_ the jail is created, but _before_ exec.start is run from
> > within the jail environment, exec.prestart is run in the host
> > environment before the jail is created and is of no use for attaching
> > a ZFS dataset to a particular jail with the zfs jail command.
> >
> > Until this issue is resolved, I see no other way than manually
> > attaching a ZFS dataset to a jail, and manually running the mount
> > command from within the jail environment.
> 
> Excellent, this worked like a charm!
> 
> Does this means that the sysctl parameters are not honored or they have to
> be also passed in the jail parameters?

I guess so. Setting the sysctls in /etc/sysctl.conf doesn't seem to 
propagate to the jail environments at all in 9.2-BETA2.

> Thanks!

You're welcome, and thanks for pushing me to explore jails and ZFS 
even further. ;-)

Maybe the jail people should erect exec.afterprestart, enabling us to 
attach ZFS datasets to our jails prior to launching the jails.

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