...
>BACKUP DATABASE SWORDDB ONLINE USE TSM OPEN 1 SESSIONS WITH 4 BUFFERS BUFFER
>  1024 SQL2062N An error occurred while accessing media
>  "/home/jail/sqllib/adsm/libtadsm.a". Reason code: "406".

The Reason Code is the TSM API return code, which you can find in the API manual
or the TSM Messages manual, indicating that the options file cannot be found,
perhaps because of an errant environment variable.

You can see more about the error by searching the IBM site for the essential
keywords in the problem:    +reason +code +406 +SQL2062N

    Richard Sims