Dell PowerVault MD3600f Owner's Manual - Page 294

Troubleshooting Expansion Enclosure Management Modules CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product. CAUTION: It is recommended that you turn off the host server before turning off the expansion enclosure array to prevent loss of data. • If the EMM status LED is solid or blinking amber (2 or 4 times per sequence): a Turn off the server. b Remove the EMM and verify that the pins on backplane and EMM are not bent. See Removing an EMM in the MD1200 and MD1220 Storage Enclosures Hardware Owner's Manual. c Reseat the EMM module and wait for 30 seconds. See Removing an EMM in the MD1200 and MD1220 Storage Enclosures Hardware Owner's Manual. d Turn on the server. e Check the EMM status LED. f If the LED does not turn Green, replace the EMM. If the problem is not resolved, step c. • If EMM status LED is blinking amber (5 times per sequence), update the firmware to the latest supported firmware on both the EMMs. For more information about downloading the latest firmware, see "Management: Firmware Downloads" on page 247. • If the link status LEDs are not green: a Turn off the server. b Reseat the cables on the expansion array and the server. c Turn on the expansion arrays and then the storage array and wait until the system is fully booted. 294 Troubleshooting: Your Array