Block Storage is a service offered internally for use with other Information Technology Services (ITS) systems. Th Block Storage service provides external disk storage for enterprise applications like Oracle and VM. Centralization of storage allows for disaster recovery and business continuity planning as well as better disk utilization achieved by combining isolated pools of storage. The service is available via Fibre Channel and iSCSI interconnects.
Internal Fibre Channel storage is provided via an IBM San Volume Controller (SVC) and the associated disk storage. iSCSI is offered via several platforms.
To find out more about ITS Block Storage services, please see the document Introduction to Block Storage.