Dell S4820T Configuration Manual page 1145

NOTE: The system reboots when the offline diagnostics complete. This is an automatic
process. The following warning message appears when you implement the offline stack-
unit command: Warning - Diagnostic execution will cause stack-unit to
reboot after completion of diags. Proceed with Offline-Diags [confirm
yes/no]:y
After the system goes offline, you must reload or run the online stack-unit stack-unit-number
command for the normal operation.
2. Confirm the offline status.
EXEC Privilege mode
show system brief
3. Start diagnostics on the unit.
diag stack-unit stack-unit-number
When the tests are complete, the system displays the following message and automatically reboots
the unit.
Dell#00:09:42 : Diagnostic test results are stored on file: flash:/
TestReport-SU-0.txt
Diags completed... Rebooting the system now!!!
Mar 12 10:40:35: %S4820:0 %DIAGAGT-6-DA_DIAG_DONE: Diags finished on stack
unit 0
Diagnostic results are printed to a file in the flash using the filename format TestReport-SU-<stack-
unit-id>.txt.
Log messages differ somewhat when diagnostics are done on a standalone unit and on a stack
member.
4. View the results of the diagnostic tests.
EXEC Privilege mode
show file flash://TestReport-SU-stack-unit-id.txt
Examples of Running Offline Diagnostics
The following example shows the offline stack-unit stack-unit-number command.
Dell#offline stack-unit 0
Warning - offline of unit will bring down all the protocols and
the unit will be operationally down, except for running Diagnostics.
Please make sure that stacking is not configured for Diagnostics execution.
Also reboot/online command is necessary for normal operation after the offline
command is issued.
Proceed with Offline [confirm yes/no]:yes
Dell#Mar 12 10:32:18: %STKUNIT0-M:CP %CHMGR-2-STACKUNIT_DOWN: Stack unit 0 down
- stack unit offline
The following example shows the show system brief command.
Dell#show system brief
Stack MAC : 00:01:e8:8b:5d:8c
Reload-Type
-- Stack Info --
S-Series Debugging and Diagnostics
: normal-reload [Next boot : normal-reload]
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