The Lenovo Web sites provide up-to-date information about the supported Fibre Channel switches.
Ensure that switches are at or above the minimum requirements.
The SAN must contain only supported switches.
For Lenovo Storage V3700 V2 and Lenovo Storage V3700 V2 XP: https://datacentersupport.lenovo.com/us/en/products/storage/lenovo-storage/v3700v2/6535
For Lenovo Storage V5030: https://datacentersupport.lenovo.com/us/en/products/storage/lenovo-storage/v5030/6536
Operation with other switches is not supported.