IBM 2109 Service Guide - Page 122
diagClearError, diagDisablePost
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switch:admin> crossPort Test Running Cross Port Test switchName: JR-6011 switchType: 3.1 switchState: Testing switchRole: Disabled switchDomain: 1 (unconfirmed) switchId: fffc01 switchWwn: 10:00:00:60:69:00:60:11 port 0: sw Testing Loopback->1 port 1: sw Testing Loopback->0 port 2: sw Testing Loopback->7 port 3: sw Testing Loopback->6 port 4: sw Testing Loopback->5 port 5: sw Testing Loopback->4 port 6: sw Testing Loopback->3 port 7: sw Testing Loopback->2 Port SNMP Physical Flags 0: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 1: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 2: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 3: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 4: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 5: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 6: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 7: Testing In_Sync PRESENT ACTIVE E_PORT G_PORT U_PORT SEGMENTED CBL_LB LOGIN 8: Testing UNKNOWN PRESENT ACTIVE G_PORT Figure 50. crossPortTest command example Related error messages: DIAG-INIT, DIAG-PORTDIED, DIAG-XMIT, DIAG-TIMEOUT, DIAG-ERRSTAT, DIAG-STATS, DIAG-PORTWRONG, DIAG-DATA, DIAG-PORTABSENT. diagClearError Figure 51 shows the diagClearError command, which clears diagnostic errors that are detected on a specified port. The command syntax is diagClearError . Without the port# parameter, all errors are cleared. Note: Issuing this command does not clear the error log. switch:admin> diagClearError Figure 51. diagClearError command example diagDisablePost Figure 52 on page 107 shows the diagDisablePost command, which disables POST processing. The startup time without POST processing is approximately 50 55 seconds (based on a 2109 Model S16) for warm or cold startups. A switch that is restarted without POST generates the DIAG-POST_SKIPPED error. Note: IBM recommends that POST processing always be run to ensure the operational status of the switch during the power-on stage. 106 IBM SAN Fibre Channel Switch: 2109 Model S16 Installation and Service Guide
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