We found this to be a race condition supposedly within aufs. The script that mounts the overlay does the following:
# perform the aufs root mount modprobe aufs mount -t aufs -o br:${localroot}=rw:${netroot}=nfsro aufsroot ${rootmnt} Doing this results in the described problem - df reports 0 bytes free on ${rootmnt}. The fix is rather easy while a little annoying: # perform the aufs root mount modprobe aufs # wait a second to avoid a race condition; see https://bugs.launchpad.net/bugs/382842 sleep 1 mount -t aufs -o br:${localroot}=rw:${netroot}=nfsro aufsroot ${rootmnt} This all happens within the initrd, by the way. Perhaps this should be documented somewhere. -- aufs fails to report free space when the readonly-branch comes via nfs and the readwrite-branch via a local ext3 https://bugs.launchpad.net/bugs/382842 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs