Testmem, Errchat on/off, Help | Texas Memory Systems RAM-SAN 520

Chapter 5 – Using the Management Port

The management port on the RAM-SAN allows an administrator to configure the system, monitor performance, and diagnose problems with the system. The ‘help’ command displays a list of commands available. The following sections provide a more detailed description of the commands available through the monitor.

5.1 testmem

The ‘testmem’ command is used to verify the integrity of the system memory. This command causes the management port to generate and check patterns in the shared memory area. Any errors that are found are reported to the monitor along with the address in memory and the data that failed. WARNING: This test should only be run when there are no attached Fibre Channel connections because all data in system memory is overwritten by this test. The monitor also displays a line that shows the parameters associated with each test. The following is output from the ‘testmem’ command:

ram-san> testmem

All data in the RAM-SAN will be destroyed. Continue (yes/no)? yes

Press ‘Q’ to Quit

004729 sa:0x00e8f458 wc: 0x014a5390 64-bit COMPLX RND

The first number denotes the test iteration. The next two numbers are the starting address and word count for the test. The last part of the line describes the type of pattern being tested. In this case a complex 64-bit random pattern is used. This test is used to find bit error and ECC errors in system memory. Data errors will be shown as part of the ‘testmem’ command. ECC errors may be viewed using the ‘log’ command from the command line. Any ECC errors will be noted with a terminal beep and a message.

NOTE: THIS COMMAND DESTROYS ALL DATA IN SYSTEM MEMORY.

5.2 errchat <on/off>

The ‘errchat’ command toggles the displaying of ECC error messages. All errors are still logged to on the management port, but the error warning is not displayed. This function is useful for systems that find an error but still need to be used without the constant reporting of the error.

5.3 exit (quit)

The exit command is used to close a telnet connection. This command has no effect from the console.

5.4 help

The help command provides a brief online description of each command that is available. Commands that require parameters are listed with the ‘<parameters>’ as options.

ram-san> help	: Run memory diagnostics (destructive)
testmem	: Run memory diagnostics (destructive)
errchat	: Togles ECC error chattering on or off
exit	: Logout of the monitor
help	: List a table of commands
history	: Show command line history
ipconfig	: Configure ethernet parameters
log	: Displays a list of system ecc errors
partition	: Disk space allocation utility
password	: Sets the login password
performance	: Displays system performance
reboot <hard/soft>	: Power on reset of the RAM-SAN
reset <port>	: Resets a Fibre Channel port
status	: Prints status information
RAM-SAN User’s Guide	Texas Memory Systems, Inc. (February 7, 2003)	5-1