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23
CHAPTER
3
Troubleshooting the Fibre Channel
Links
A1/B1 Fibre Channel (FC) Link
If a problem occurs with the A1/B1 FC link:
■ In a Sun StorEdge 3900 series system, the Sun StorEdge T3+ array will fail over.
■ In a Sun StorEdge 6900 series system, no Sun StorEdge T3+ array will fail over,
but a severe problem can cause a path to go offline.
FIGURE 3-1, FIGURE 3-2, and FIGURE 3-3 are examples of A1/B1 Fibre Channel Link
Notification Events.
FIGURE 3-1 Data Host Notification of Intermittent Problems
Site : FSDE LAB Broomfield CO
Source : diag.xxxxx.xxx.com
Severity : Normal
Category : Message Key: message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.LOOP_OFFLINE
EventTime: 01/08/2002 14:34:45
Found 1 ’driver.LOOP_OFFLINE’ error(s) in logfile: /var/adm/messages on
diag.xxxxx.xxx.com (id=80fee746):
info: Loop Offline
Jan 8 14:34:25 WWN: Received 2 ’Loop Offline’ message(s) [threshold is 1
in 5mins] Last-Message: ’diag.xxxxx.xxx.com qlc: [ID 686697 kern.info] NOTICE:
Qlogic qlc(0): Loop OFFLINE ’