HP StorageWorks 8/40 Brocade Fabric OS Command Reference v6.3.0 (53-1001337-01 - Page 396
historyMode, Synopsis, Description, Rotating mode, First-in mode, Operands, Examples, See Also
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2 historyMode historyMode Displays or sets the mode of the field replaceable unit (FRU) history log. Synopsis historymode [ rot | fi ] Description Use this command to display or set the mode of the history buffer, which records the insertion and removal of FRUs on a switch or chassis. This command supports two modes of handling new log entries once the history buffer has reached its maximum size: Rotating mode Any new entry exceeding the maximum buffer size overwrites the oldest entry in the log. First-in mode Any new entry exceeding the maximum buffer size is discarded. The original entries in the buffer is preserved. The size of the history buffer depends on the HW platform: The Brocade 48000 Director supports 100 history log entries. The Brocade DCX backbone supports a maximum log size of 50 entries. Since the WWNs are completely separate FRUs in the DCX, they have redundant data in these units. All other platforms containing FRUs support 28 history log entries. Note The execution of this command is subject to Virtual Fabric or Admin Domain restrictions that may be in place. Refer to chapter 1, "Using Fabric OS commands" and Appendix A, "Command Availability" for details. Operands When invoked without operands the command displays the mode of the history log. Setting the mode of the history log requires root permission. The following operands are supported when the command is executed as root: rot Set history log to rotating mode. fi Set history log to first-in mode. When setting the history mode, you are prompted to clear the log. Examples To display the mode of the history log: switch:admin> historymode History Mode is: Rotating. See Also historyLastShow, historyShow 366 Fabric OS Command Reference 53-1001337-01