This is information on multisession configurations for different operating systems.
Use quotation marks around this string to search for "Support Information for IBM Lenovo Storage V series" on the product support site, http://support.lenovo.com/us/en/products/servers/lenovo-storage. Then look for the appropriate link to "Configuration Limits and Restrictions for Lenovo Storage V series" for information on session limit maximums for an iSCSI target, an I/O group, and a clustered system.