On Mon, Aug 25, 2008 at 01:43:02AM +0200, Oliver Welter wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi All, > > I am playing around with aufs (unionfs) and dont find the right way to > do the following: > > I want to have a readonly root-image and mount a writable partition on > top of it. I can so so mounting the trees first in the main context and > than start the vserver, but I want to do it in the context of the guest, > so it is not visible outside. > I put the aufs mount in the guest fstab: > none / aufs dirs=overlay:rootfs=ro 0 0 that's the correct way to do it (fstab.remote for network related mounts) > When I launch the guest, I get: > vcontext(/dev/null) permission denied looks like your /dev/null is not accessible, try to add an explicit 'dev' to the fstab, IIRC, the fstab mounts are executed 'securely' which means they add 'nodev' if not specified otherwise ... > Anybody has a working setup? no, why would one do that, when there is something like unification available, with a lot of advantages over such an overlay setup ... HTH, Herbert > Oli > - -- > Protect your environment - close windows and adopt a penguin! > PGP-Key: 3B2C 8095 A7DF 8BB5 2CFF 8168 CAB7 B0DD 3985 1721 > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.7 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org > > iD8DBQFIsfHtyrew3TmFFyERAkS1AJ9TzFv44ed6h0FtJ9XmO3cs+2BDCgCdF4+O > W8XRdgVOrRIqmXsVD6Om+R0= > =BqUZ > -----END PGP SIGNATURE-----