HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 49
High availability features, Operator control panel, HSV200-A/B controller-rear view
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Figure 20 HSV200-A/B controller-rear view 1. Dual controller interconnect 3. Unit ID 5. FC device ports 7. FC host ports 9. Power supply 1 Figure 21 HSV controller-front view 2. CAB (cabinet address bus) 4. Power ON 6. FC cache mirror ports 8. Power supply 0 10. Service connectors (not for customer use) 1. Battery 0 3. Blower 0 5. Operator Control Panel (OCP) 7. Unit ID 2. Battery 1 (EVA8000/8100 only) 4. Blower 1 6. Status indicators High availability features Two interconnected controllers ensure that the failure of a controller component does not disable the system. A single controller can fully support an entire system until the defective controller, or controller component, is repaired. For EVA8x00 configurations with more than four disk drive enclosures, the complete data redundancy configuration includes device loop switches on the two Loop A and two Loop B data paths. For EVA4x00 and EVA6x00 configurations, data redundancy is accomplished with device loop switches on the two Loop A data paths. Each HSV210-A/B controller has two lead-acid cache batteries that provide power to the cache memory. Each HSV200-A/B controller has one battery. When the batteries are fully charged, they can provide power to the cache for up to 96 hours. Operator control panel The operator control panel (OCP) provides a direct interface to each controller. From the OCP you can display storage system status and configuration information, shut down the storage system, and manage the password. The OCP includes a 40-character LCD alphanumeric display, six push-buttons, and five status indicators. See Figure 22 (page 50). HP Command View EVA is the tool you will typically use to display storage system status and configuration information or perform the tasks available from the OCP. However, if HP Command View EVA is not available, the OCP can be used to perform these tasks. HSV controllers 49