HP StorageWorks 8/80 HP StorageWorks Fabric OS 6.1.x administrator guide (5697 - Page 333
Monitoring AL_PAs
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Monitoring AL_PAs You can use the perfShowAlpaCrc command to display the CRC error count for all AL_PA devices or for a single AL_PA on a specific active L_Port. The following example displays the CRC error count for all AL_PA devices on a port: switch:admin> perfshowalpacrc 1/1 AL_PA CRC count 0xd9 0 The following example displays the CRC error count for a single AL_PA device on a port: switch:admin> perfshowalpacrc 1/1, 0xd9 The CRC count at ALPA 0xd9 on port 1 is 0x000000000. The following example clears the CRC error count: switch:admin> perfclearalpacrc 1/1, 0xd9 CRC error count at AL_PA 0xd9 on port 1 is cleared. switch:admin> perfclearalpacrc 1/1 No AL_PA value is specified. This will clear all AL_PA CRC counts on port 1. Do you want to continue? (yes, y, no, n): [no] y Please wait ... All alpa CRC counts are cleared on port 1. In 3.1.0, 4.1.0, and later versions, you can use the portStatsClear command to clear AL_PA- based CRC error counters for all the ports in the same group. NOTE: For end-to-end monitors, CRC counters are not displayed on the 4/8 SAN Switch, 4/16 SAN Switch, SAN Switch 4/32, 4/64 SAN Switch, SAN Switch 4/32B, 400 Multi-protocol Router, 4/256 SAN Director, and DC Director switches. Adding end-to-end monitors An end-to-end monitor counts the following items for a port: number of words received, number of words transmitted, and number of CRC errors detected in frames. NOTE: Only one mask per port can be set. When you set a mask, all existing end-to-end monitors are deleted. Fabric OS 6.1.x administrator guide 333