IBM 2109 Service Guide - Page 116
spinSilk test, sramRetentionTest, Switch offline, DIAG-PORTSTOPPED, DIAG-ERRSTAT, DIAG-PORTABSENT.
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Push Button Test 1 & 4 to exit 324 1 Figure 42. Push button command example Pressing any front panel button causes the corresponding button number to move to the second line. To exit this test, simultaneously press the Enter and the Down buttons. spinSilk test The spinSilk command verifies the intended functional operation of the switch by sending frames from the transmitter of each port through the GBIC and external cable, and back to the receiver of another port at the full hardware speed of 1Gbps. It exercises the entire path of the switch. The switch must be offline. Because the CPU is not comparing data on each frame as with the other two frame tests, the DIAG-DATA error is never reported during the spinSilk test. However, the other error messages defined for the crossPort test and their corresponding probable causes and actions are applicable to the spinSilk test. Pressing Enter while the spinSilk test is selected displays a reminder to take the switch offline, if it is not offline. If the message is displayed, take the switch offline. Pressing Enter starts the spinSilk test. The panel activates the display shown in Figure 43. SpinSilk: Press any button to terminate Figure 43. spinSilk command example If an error is encountered during the test, the error is displayed on either the front panel or by using Telnet. Note: When running the spinSilk test, you must set the operating mode value to 0 or 1. Modes 2 and 3 do not send out the extended link parameters (ELP) used to discover switches. If the ELP is not sent, the switch does not know that the port is connected to another port on the same switch and the test fails. Related error messages: DIAG-INIT, DIAG-PORTDIED, DIAG-XMIT, DIAG-PORTSTOPPED, DIAG-ERRSTAT, DIAG-ERRSTATS, DIAG-PORTABSENT. sramRetentionTest The sramRetentionTest command verifies that data written into the ASIC memories are retained and that data bits do not drop when read after some amount of delay since the write operation. The switch must be offline. Related error messages: DIAG-REGERR, DIAG-REGERR_UNRST, DIAG-BUS_TIMEOUT. Switch offline Pressing Enter while Switch Offline is selected activates the display shown in Figure 44 on page 101. 100 IBM SAN Fibre Channel Switch: 2109 Model S16 Installation and Service Guide