Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 571
Offline Diagnostic Commands, diag stack-unit, Important Points to Remember
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Related Commands Entering no tcpdump stops the file dump immediately, without waiting for a threshold to be met. The files saved on the flash are located in the flash://TCP_DUMP_DIR/ Tcpdump_/directory. The file name is tcpdump_*.pcap. There can be up to 20 Tcpdump_ directories. If more than 20 files are created, the oldest is overwritten. logging coredump - designates a server to upload kernel core-dumps. Offline Diagnostic Commands The offline diagnostics test suite is useful for isolating faults and debugging hardware. While tests are running, FTOS 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. FTOS 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. S-Series, Z-Series Syntax Parameters diag stack-unit number [alllevels | level0 | level1 | level2] verbose testname number alllevels level0 level1 Enter the stack-unit number. The range is 0 to 7. Enter the keyword alllevels to run the complete set of offline diagnostic tests. 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. 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 appropriate values. In addition, they perform extensive tests on memory devices (for example, SDRAM, flash, NVRAM, EEPROM, and CPLD) wherever 571
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