Administrator Guide

Usage
Information
The Kernel core dump can be large and may take up to 5 to 30 minutes to upload.
Dell Networking OS does not overwrite application core dumps so you should
delete them as necessary to conserve space on the flash; if the flash is out of
memory, the coredump is aborted. On the S-Series, if the FTP server is not
reachable, the application coredump is aborted. Dell Networking OS completes the
coredump process and wait until the upload is complete before rebooting the
system.
Offline Diagnostic Commands
The offline diagnostics test suite is useful for isolating faults and debugging hardware. While tests are
running, Dell Networking OS results are saved as a text file (TestReport-SU-X.txt) in the flash directory.
This show file command is available only on master and standby.
Important Points to Remember
• Offline diagnostics can only be run when the unit is offline.
• You can only run offline diagnostics on a unit to which you are connected via the console. In other
words, you cannot run diagnostics on a unit to which you are connected to via a stacking link.
• Diagnostic results are printed to the screen. Dell Networking OS does not write them to memory.
• Diagnostics only test connectivity, not the entire data path.
diag stack-unit
Run offline diagnostics on a stack unit.
Z9000
Syntax
diag stack-unit number [alllevels | level0 | level1 | level2]
verbose testname
Parameters
number
Enter the stack-unit id.
Z9000 - 0 to 7.
Enter the stack-unit number. The range is from 0 to 7.
alllevels Enter the keyword alllevels to run the complete set of
offline diagnostic tests.
level0 Enter the keyword level0 to run Level 0 diagnostics. Level
0 diagnostics check for the presence of various components
and perform essential path verifications. In addition, they
verify the identification registers of the components on the
board.
level1 Enter the keyword Level1 to run Level 1 diagnostics. Level 1
diagnostics is a smaller set of diagnostic tests with support
for automatic partitioning. They perform status/self test for
all the components on the board and test their registers for
Debugging and Diagnostics
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