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.
FIGURE 3-4 and FIGURE 3-5 are examples of A2/B2 FC Link Notification Events.
From root Tue Jan 8 18:39:48 2002
Date: Tue, 8 Jan 2002 18:39:47
From: Storage Automated Diagnostic Environment.Agent
Subject: Message from ’diag.xxxxx.xxx.com’ (2.0.B2.002)
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
FIGURE 3-4 A2/B2 FC Link Host Side Event
Chapter 3 Troubleshooting the Fibre Channel Links 29
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