HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 Service Manual (A5 - Page 241

Troubleshooting Table 31 Controller Enclosure Troubleshooting Flowchart (Sheet 1 of 5) Start A Yes Power LED on? Look at the Array Controller's FRONT PANEL LEDs No Power is being applied to the Array Enclosure. Array Enclosure Power Problem Check for: 1. Power Cords 2. Power Switch 3. PDU 4. A/C Breaker 5. Controller Fan module is unplugged 6. BOTH Power Supplies are bad 7. BOTH Power Supplies overheated (Thermal Shutdown) 8. Midplane is bad 9. Wiring harness is bad Fast Write Cache LED on or flashing? Yes No Data in Write Cache. Indicates one of the No following conditions: 1. No I/O 2. Cache disabled Data is in Write Cache BBU may be faulted or charging, proceed to E. Go to E Normal Array Enclosure LED Status No Any Other FRONT PANEL LEDs on besides Power or Cache? Experiencing Intermittent or interface No problems? End Yes Fault Condition Yes Check the Host for errors using STM, AM60 and syslog.log. Intermittnet problems can be caused by the following: 1. Missing patches Install latest driver patches 2. Firmware level Install latest Firmware levels 3. Unsupported configurations. 4. Host adapter 5. FC Cables 6. Controller Module Go to B Controller Enclosure Troubleshooting 241