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Chapter 3. troubleshooting the fibre channel links, A1/b1 fibre channel (fc) link, Troubleshooting the fibre channel links – Sun Microsystems StorEdge 6900 Series User Manual

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23

C H A P T E R

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 ’

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