When you choose this type of configuration, all the hosts must have the same operating system and special software (such as clustering software) to manage virtual disk sharing and accessibility.
You can use the Storage Partitioning Wizard to define a single storage partition. The Storage Partitioning Wizard guides you through the major steps required to specify which host groups, hosts, virtual disks, and associated logical unit numbers (LUNs) are to be included in the storage partition.
Storage partitioning is unavailable when:
Storage partitioning topology is the collection of elements, such as Default Group, host groups, hosts, and host ports shown as nodes in the object tree of the Host Mappings tab in the AMW. For more information, see Using The Host Mappings Tab .
If a storage partitioning topology is not defined, an informational dialog is displayed each time you select the Host Mappings tab. You must define the storage partitioning topology before you define the actual storage partition.