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HP StorageWorks 2/16 User Manual Page 86

Hp storageworks 2/16: user guide.
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Monitoring and Managing the Switch
An incorrect primitive sequence was received from the attached device, indicating
a Fibre Channel link-level protocol violation. At the Hardware View, a yellow
triangle appears to indicate a link incident.
Discarded frames
A received frame could not be routed and was discarded because the frame timed
out (insufficient buffer-to-buffer credit) or the destination device was not logged
into the switch.
Invalid transmission words
The number of times that the switch detected invalid transmission words from the
attached device. This indicates that a frame or primitive sequence arrived at the
switch's port corrupted. This corruption can be due to the attached device
performing a reset, plugging or unplugging the link, bad optics at either end of the
cable, bad cable, or a dirty or poor connection. Moving the connection around or
replacing cables can isolate the problem.
Some number of invalid transmission words are expected and acceptable. Invalid
transmission words within a frame are used to produce the bit-error threshold link
incident. If one or more invalid transmission words are detected in 12 separate
1.5-second samples within five minutes, a bit-error threshold link incident is
generated.
CRC errors
A received frame failed a cyclic redundancy check (CRC) validation, 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.
Delimiter errors
The 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
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edge switch 2/16 product manager user guide

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