This is a demonstration that GNU tar may create multi volume archives that
GNU tar rejects to read back.

Reüeat with the following files

-rw-r--r--    1 root     star       139264 Oct 11 20:26 gnu-multi-fail-volume1.gtar
-rw-r--r--    1 root     star       136192 Oct 11 20:27 gnu-multi-fail-volume2.gtar

by calling: 

gtar -tvM -f gnu-multi-fail-volume1.gtar -f gnu-multi-fail-volume2.gtar

There are other problems with the multi volume system from GNU tar tat are caused
by the fact that the concept to create multi volume archives used by GNU tar 
is broken.