HP Command View for Tape Libraries Software - Manual (Page 248)

Syntax unmap host host_num [force]
Availability All users and modes
Operands Specify the host number. This operand is required. host_num
[force] An optional parameter; when force is specified, there will be no
prompt asking if you really want to unmap the host.
Examples To block host 1 access to all drives:
/>unmap host 1
Caution: Unmapping hosts could force a reboot of some interfaces
and will terminate all backup operations involving the rebooting
interfaces.
Do you really want to unmap the host? y
Committing configuration...done
See also map host
set host name
show host name
248 CLI Command Reference