Dell Force10 S4820T S4820T Configuration Guide - Page 1068

www.dell.com | support.dell.com Important Points to Remember • You can only perform offline diagnostics on an offline standalone unit or offline member unit of a stack of three or more. You cannot perform diagnostics on the management or standby unit in a stack of two or more (Message 1). Message 1 Offline Diagnostics on Master/Standby Error Running Diagnostics on master/standby unit is not allowed on stack. • Perform offline diagnostics on one stack member at a time. • Diagnostics only test connectivity, not the entire data path. • Diagnostic results are stored on the flash of the unit on which you performed the diagnostics. • When offline diagnostics are complete, the unit or stack member reboots automatically. Running Offline Diagnostics 1. Place the unit in the offline state using the offline stack-unit command from EXEC Privilege mode, as shown in Figure 55-1. YOu cannot enter the command on a Master or Standby stack unit. The system reboots when the off-line diagnostics complete. This is an automatic process. A warning message appears when the offline stack-unit command is implemented. Warning - Diagnostic execution will cause stack-unit to reboot after completion of diags. Proceed with Offline-Diags [confirm yes/no]:y Figure 55-1. Taking an S-Series Stack Unit Offline FTOS#offline stack-unit 2 Warning - Diagnostic execution will cause stack-unit to reboot after completion of diags. Proceed with Offline-Diags [confirm yes/no]:y 5w6d12h: %STKUNIT0-M:CP %CHMGR-2-STACKUNIT_DOWN: Stack unit 2 down - stack unit offline 5w6d12h: %STKUNIT0-M:CP %IFMGR-1-DEL_PORT: Removed port: Gi 2/1-48 FTOS#5w6d12h: %STKUNIT1-S:CP %IFMGR-1-DEL_PORT: Removed port: Gi 2/1-48 2. Use the show system brief command from EXEC Privilege mode to confirm offline status, as shown in Figure 55-2. 1068 | S-Series Debugging and Diagnostics