The Nexsan SATABeast system must use a firmware level that is supported by the Lenovo Storage V series. The current level is Nt66E.
https://datacentersupport.lenovo.com/us/en/products/storage/lenovo-storage/v3700v2/6535
https://datacentersupport.lenovo.com/us/en/products/storage/lenovo-storage/v5030/6536
The minimum supported Lenovo Storage V series level for the attachment of Nexsan SATABeast is 5.1.0.3.