HP StorageWorks 4/32 HP StorageWorks DC and DC04 SAN Backbone Director Switche - Page 188

1. Check the LED indicators on the WWN bezel and verify that they reflect the actual status of the components. The WWN bezel covers the WWN cards and allows its LEDs to shine through. The LEDs on the WWN bezel provide a consolidated view of the port, CP, and CR blade status (see Table 36). If a blade slot has a filler panel installed, the corresponding LEDs on the WWN card do not light up. Table 36 WWN LED patterns LED location/purpose Color Status Recommended action Director blade/CP/CR blade power Director blade/CP/CR blade status Steady green Power is okay. Steady amber No light (LED is off) Card is faulty. Card is okay. No action required Check card. No action required NOTE: If a status LED on the WWN bezel flashes, the power LED on the WWN bezel also flashes, for increased visibility. 2. Check the WWN card status using the commands listed in Table 37. Difficulty retrieving or modifying this data could indicate a WWN card failure. Table 37 Commands identifying the WWN card status To check the: WWN values Data about the chassis and WWN card Use the following commands wwn, chassisShow chassisShow Ethernet and Fibre Channel IP address information for the CP blades History log information Name of switch ipAddrShow, ipAddrSet historyShow, historyLastShow switchName 188 Replacing DC04 SAN Director field-replaceable units (FRUs)