AND IF one of those is a home directory
AND IF both are mounted before the user logs in
AND IF the first of the two is the read only backup
THEN parts of the the operating system may have difficulty.
Example:
- in the right-hand part of the Dock, icons for files and folders may refer to the wrong items.
Expected: read and write.
Actual: read only.
Tested: ZEVO Community Edition 1.1.1 with OS X 10.8.2.