1. The license is normal by checking.
2. The spare server is one of the blade, which is linked by FC switch module. VTL3500 finds there is no port ID information in WWPN when redistributing, as follow:
The adapter is normal, ‘Link Up’ by checking. Check the SNS table, there is no WWPN of the spare server.
Confirm it is the problem of link.
3. Communicating with the clients, the configuration of FC switch is updated, the cascading configuration is not right by checking. Link VTL3500 with blade by other FC port, VTL3500 adapter could find WWPN, redistribute it to the client, and everything is OK.