FW V06.XX/HAFM SW V08.02.00 HP StorageWorks Director 2/64 Service Manual (AA-RS2ED-TE, July 2004)

Diagnostics
153Director 2/64 Service Manual
21
A 140 event code occurs only if the optional OpenTrunking feature is enabled.
The event code indicates OpenTrunking firmware detected an ISL with Fibre
Channel traffic that exceeds the configured congestion threshold.
No action is required for an isolated event. However, if this event persists, perform
one of the following:
■ Relieve the congestion by adding parallel ISLs between the directors or
switches reporting the problem.
■ Increase the ISL link speed between the directors or switches reporting the
problem (from 1 Gb/s to 2 Gb/s).
■ Reroute Fibre Channel traffic by moving device connections to a
less-congested region of the fabric.
Did the corrective action solve the problem and relieve the reported ISL
congestion?
NO YES
↓ The ISL is operational. Exit MAP.
Contact the next level of support. Exit MAP.
22
A 142 event code occurs only if the optional OpenTrunking feature is enabled.
The event code indicates OpenTrunking firmware detected an ISL with no
transmission BB_Credit for a period of time that exceeded the configured low
BB_Credit threshold. This results in downstream fabric congestion.
No action is required for an isolated event or if the reporting ISL approaches
100% throughput. However, if this event persists, perform one of the following:
■ Relieve the congestion by adding parallel ISLs between the directors or
switches reporting the problem.
■ Increase the ISL link speed between the directors or switches reporting the
problem (from 1 Gbps to 2 Gbps).
■ Reroute Fibre Channel traffic by moving device connections to a
less-congested region of the fabric.