Chapter 3 Troubleshooting the Fibre Channel Links 29
For Internal Use Only
A2/B2 Fibre Channel (FC) Link

If a problem occurs with the A2/B2 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.
FIGURE3-4 and FIGURE3-5 are examples of A2/B2 FC Link Notification Events.
FIGURE3-4 A2/B2FC 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