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Chapter 5 Troubleshooting the Fibre Channel (FC) Links 49
Sun Proprietary/Confidential: Internal Use Only
Troubleshooting the A2 or B2 FC Link
The A2 or B2 link is the FC link from the first switch to the virtualization engine.
This link exists in the Sun StorEdge 6900 Series only. An error with the FC link can
cause a path to go offline.
FIGURE 5-6 and FIGURE 5-7 are examples of A2 or B2 Link Notification Events.
FIGURE 5-6 A2 or B2 FC Link Host-Side Event
From root Tue Jan 8 18:39:48 2002
Date: Tue, 8 Jan 2002 18:39:47 -0700 (MST)
Message-Id: <200201090139.g091dlg07015@diag.xxxxx.xxx.com>
From: Storage Automated Diagnostic Environment.Agent
Subject: Message from ’diag.xxxxx.xxx.com’ (2.0.B2.002)
Content-Length: 2742
You requested the following events be forwarded to you from
’diag.xxxxx.xxx.com’.
Site : FSDE LAB Broomfield CO
Source : diag226.xxxxx.xxx.com
Severity : Normal
Category : Message Key: message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.Fabric_Warning
EventTime: 01/08/2002 17:34:47
Found 1 ’driver.Fabric_Warning’ warning(s) in logfile: /var/adm/messages
on diag.xxxxx.xxx.com (id=80fee746):
Info: Fabric warning
Jan 8 17:34:36 WWN:2b000060220041f4 diag.xxxxx.xxx.com fp: [ID 517869
kern.warning] WARNING: fp(0): N_x Port with D_ID=108000,
PWWN=2b000060220041f4 disappeared from fabric
<snip>
multipath status: degraded, path /pci@6,4000/SUNW,qlc@2/fp@0,0 (fp0) to
target address: 2b000060220041f4,1 is offline
Jan 8 17:34:55 WWN:2b000060220041f4 diag.xxxxx.xxx.com
mpxio: [ID 779286 kern.info] /scsi_vhci/
ssd@g29000060220041f96257354230303052 (ssd18)
multipath status: degraded, path /pci@6,4000/SUNW,qlc@2/fp@0,0 (fp0) to
target address: 2b000060220041f4,0 is offline