There are no other devices (ESS and/or FAStT) discovered.
Verify if Tivoli SAN Manager is properly installed and configured. Make sure all discovered devices have inventory collection completed. Check if there are other devices (ESS and/or FAStT) connected (physically) to the SAN Fabric and/or also if the other devices (ESS and/or FAStT) and/or this SAN Volume Controller are properly configured.