Issue the bak lshosts command to list all of the Tape Coordinators that have entries in the Backup Database:
$ bak lshosts
The output lists the name of the machine for which each Tape Coordinator is defined and the TCID of the Tape Coordinator. A Tape Coordinator's presence in the output does not imply that it is currently running.
$ bak lshosts
Tape hosts:
Host /.../abc.com/hosts/bak1, TCID 0
Host /.../abc.com/hosts/bak1, TCID 1
Host /.../abc.com/hosts/bak2, TCID 3
Host
/.../abc.com/hosts/bak3, TCID 8
Host /.../abc.com/hosts/bak3, TCID 7
Host /.../abc.com/hosts/bak3, TCID 6