Adaptec 412R User Guide - Page 61

Understanding and Maintaining Components RAID Controllers (6320SS and 7320SS only) The 6320SS and 7320SS storage subsystems house one or two RAID controllers. The subsystems provide configurations for single stand-alone and dual active-active/active-passive controller solutions. In the stand-alone mode, the controller operates autonomously. In the active-active/active-passive mode, the two controllers operate as a pair. If one controller fails in the active-active/active-passive mode, the other can take over the failed controller's work. The Adaptec Disk Array Administrator storage management tool is embedded in the controller firmware. See Chapter 3, Accessing Your Storage Management Tools and the Adaptec Disk Array Administrator User's Guide on your DuraStor CD for more information. Figure 5-2 RAID Controller and Canister The DuraStor 6320SS includes a single Ultra160-to-Ultra160 SCSI RAID controller as standard equipment. The controller has two Ultra160 host channels that connect to four host I/O ports on the subsystem and two Ultra160 SCSI disk channels connecting to two disk I/O ports. This controller is referred to in this Guide and in the storage management software as the DuraStor 6200S. The DuraStor 7320SS includes a Fibre Channel-to-Ultra160 SCSI RAID controller a standard equipment. The controller has four 2 Gigabit FC host ports and four Ultra160 SCSI disk channels. This controller is referred to in this Guide and in the storage management software as the DuraStor 7200S. 5-3