SAN boot for HP AlphaServer hosts is supported by the system.
SAN boot is supported on HP AlphaServer hosts by using TruCluster Server or OpenVMS Cluster software as the multipathing software on the boot device.
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