Cisco MDS-9124 Troubleshooting Guide - Page 113

Chapter 4 Troubleshooting Hardware Troubleshooting Supervisor Issues Send documentation comments to [email protected] Standby Supervisor Not Recognized by Active Supervisor Symptom Standby supervisor is not recognized by the active supervisor. Table 4-8 Standby Supervisor Not Recognized by Active Supervisor Symptom Standby supervisor not recognized by the active supervisor. Possible Cause Standby supervisor did not synchronize properly with active supervisor. Solution See the "Standby Supervisor Not Recognized by Active Supervisor" section on page 4-17 to verify the problem. Observe the boot process to verify that the LEDs follow the proper boot sequence and verify that the standby supervisor goes through the proper power-up, initializing, and testing phases. If the standby supervisor is at the loader> prompt, use the reload module 6 force-dlnd command from the active supervisor to force the standby supervisor to netboot off of the active supervisor. Verifying That a Standby Supervisor Failed to Synchronize Using the CLI To verify that a standby supervisor did not synchronize with the active supervisor using the CLI, follow these steps: Step 1 Use the show module command on the active supervisor to verify that the active supervisor does not detect the standby supervisor. (See Example 4-10.) Example 4-10 show module Command Output switch# show module Mod Ports Module-Type Model Status 5 0 Supervisor/Fabric-1 DS-X9530-SF1-K9 active * 8 8 IP Storage Services Module powered-dn Mod Sw Hw World-Wide-Name(s) (WWN) 5 2.1(2) 1.1 -- Mod MAC-Address(es) Serial-Num 5 00-0b-be-f7-4d-1c to 00-0b-be-f7-4d-20 JAB070307XG * this terminal session Step 2 Telnet to the standby supervisor console port and verify that it is in standby mode. (See Example 4-11.) Example 4-11 Verify Standby Supervisor Mode runlog>telnet sw4-ts 2004 Trying 172.22.22.55... Connected to sw4-ts.cisco.com (172.22.22.55). Escape character is '^]'. OL-9285-05 Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x 4-17