Connecting to Director boss:9101
1000 OK: boss-dir Version: 1.36.3 (22 April 2005)
Enter a period to cancel a command.
*unmount
Using default Catalog name=MyCatalog DB=bacula
Automatically selected Storage: Yosemite
3901 Device "/dev/st0" is already unmounted.
You have messages.
*mess
01-Feb 15:53 boss-dir:  Error: bnet.c:406 Write error sending 73 bytes to client:127.0.0.1:36131: ERR=Broken pipe
*mess
You have no messages.
*mount
Automatically selected Storage: Yosemite

(i hung here)