On Wed, Apr 7, 2010 at 5:43 AM, Dan Naumov <dan.nau...@gmail.com> wrote: > On Wed, Apr 7, 2010 at 12:37 AM, Glen Barber <glen.j.bar...@gmail.com> wrote: >> Hi Dan, >> >> Dan Naumov wrote: >>> So, I want the basejail to only contain the world and link the ports >>> tree from the host into each individual jail when it's time to update >>> the ports inside them, but I am running into a bit of a bizarre issue: >>> I can mount_nullfs /usr/ports elsewhere on the host just fine, but it >>> doesn't work if I try to mount_nullfs it to /usr/ports inside the >>> jail: >>> >>> mount_nullfs /usr/ports/ /usr/ports2 >>> >>> df -H | grep ports >>> cerberus/usr-ports 34G 241M 34G 1% /usr/ports >>> cerberus/usr-ports-distfiles 34G 0B 34G 0% >>> /usr/ports/distfiles >>> cerberus/usr-ports-packages 34G 0B 34G 0% >>> /usr/ports/packages >>> /usr/ports 34G 241M 34G 1% /usr/ports2 >>> >>> mount | grep ports >>> cerberus/usr-ports on /usr/ports (zfs, local) >>> cerberus/usr-ports-distfiles on /usr/ports/distfiles (zfs, local) >>> cerberus/usr-ports-packages on /usr/ports/packages (zfs, local) >>> /usr/ports on /usr/ports2 (nullfs, local) >>> >>> mount_nullfs /usr/ports/ /usr/jails/semipublic/usr/ports >>> mount_nullfs: /basejail: No such file or directory >>> >>> What is going on here? I also note that the error actually wants a >>> /basejail on the host, which is even more bizarre: >>> >>> mount_nullfs /usr/ports/ /usr/jails/semipublic/usr/ports >>> mount_nullfs: /basejail: No such file or directory >>> >>> mkdir /basejail >>> >>> mount_nullfs /usr/ports/ /usr/jails/semipublic/usr/ports >>> mount_nullfs: /basejail/usr: No such file or directory >>> >>> Yet, this works: >>> >>> mkdir /usr/jails/semipublic/test >>> mount_nullfs /usr/ports/ /usr/jails/semipublic/test >>> umount /usr/jails/semipublic/test >>> >>> Any ideas? >>> >>> >> >> The ports directory in an ezjail is a link to /basejail/usr/ports (in the >> jail). >> >> Breaking the link (from the host) allows the mount to work successfully. >> >> orion# ll usr/ports >> lrwxr-xr-x 1 root wheel 19 Mar 8 18:06 usr/ports -> /basejail/usr/ports >> orion# unlink usr/ports >> orion# mkdir usr/ports >> orion# mount_nullfs /usr/ports usr/ports >> orion# >> >> Regards, >> >> -- >> Glen Barber > > Thanks for the tip. > > An additional question: how come "sade" and "sysinstall" which are run > inside the jail can see (and I can only assume they can also operate > on and damage) the real underlying disks of the host? >
Disks (as well as others you have in your host's /dev) aren't visible inside jails. > - Sincerely > Dan Naumov > _______________________________________________ > freebsd-jail@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-jail > To unsubscribe, send any mail to "freebsd-jail-unsubscr...@freebsd.org" > -- cheers mars ----- _______________________________________________ freebsd-jail@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-jail To unsubscribe, send any mail to "freebsd-jail-unsubscr...@freebsd.org"
