HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 89

• Primitive sequence errors — Number of primitive sequence protocol errors
received from an attached device, which indicates a Fibre Channel link-level
protocol violation.
• Discarded frames — A received frame could not be routed and was discarded
because the frame timed out due to an insufficient buffer-to-buffer credit, or the
destination device was not logged into the product.
• Invalid transmission words — Number of invalid transmission words from an
attached device. This indicates that a frame or primitive sequence arrived at the
port corrupted.
• CRC errors — A received frame failed a cyclic redundancy check (CRC)
validation, indicating the frame arrived at the port corrupted. Frame corruption
may be caused by device disconnection, an optical transceiver failure at the
device, a bad fiber-optic cable, or a poor cable connection.
• Delimiter errors — Number of times that the switch detected an unrecognized
start-of-frame (SOF), an unrecognized end-of-frame (EOF) delimiter, or an
invalid class of service. This indicates that the frame arrived at the switch's port
corrupted. This corruption can be due to plugging/unplugging the link, bad optics
at either end of the cable, bad cable, or dirty or poor connections. Moving the
connection around or replacing cables can isolate the problem.
• Address ID errors — A received frame had an unavailable or invalid Fibre
Channel destination address, or an invalid Fibre Channel source address. This
typically indicates the destination device is unavailable.
• Frames too short — A received frame exceeded the Fibre Channel frame
maximum size or was less than the Fibre Channel minimum size, indicating the
frame arrived at the switch's port corrupted. Frame corruption may be caused by
device disconnection, an optical transceiver failure at the device, a bad fiber-optic
cable, or a poor cable connection.
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