Storage Subsystems Troubleshooting Guide

Chapter 3 Troubleshooting the Fibre Channel Links 35
For Internal Use Only
A3/B3 Fibre Channel (FC) Link
If a problem occurs with the A3/B3 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 3-6, FIGURE 3-7, and FIGURE 3-8 are examples of A3/B3 FC link Notification
Events.
FIGURE 3-6 A3/B3 FC Link Host-Side Event
Site : FSDE LAB Broomfield CO
Source : diag.xxxxx.xxx.com
Severity : Normal
Category : Message Key: message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.MPXIO_offline
EventTime: 01/08/2002 18:25:18
Found 2 ’driver.MPXIO_offline’ warning(s) in logfile: /var/adm/messages on
diag.xxxxx.xxx.com (id=80fee746):
Jan 8 18:24:24 WWN:2b000060220041f9 diag.xxxxx.xxx.com mpxio: [ID
779286 kern.info] /scsi_vhci/ssd@g29000060220041f96257354230303053
(ssd19) multipath status: degraded, path /pci@6,4000/SUNW,qlc@3/fp@0,0
(fp1) to target address: 2b000060220041f9,1 is offline
Jan 8 18:24:24 WWN:2b000060220041f9 diag.xxxxx.xxx.com mpxio: [ID
779286 kern.info] /scsi_vhci/ssd@g29000060220041f96257354230303052
(ssd18) multipath status: degraded, path /pci@6,4000/SUNW,qlc@3/fp@0,0
(fp1) to target address: 2b000060220041f9,0 is offline
----------------------------------------------------------------
Site : FSDE LAB Broomfield CO
Source : diag.xxxxx.xxx.com
Severity : Normal
Category : Message Key: message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.Fabric_Warning
EventTime: 01/08/2002 18:25:18
Found 1 ’driver.Fabric_Warning’ warning(s) in logfile: /var/adm/messages
on diag.xxxxx.xxx.com (id=80fee746):
Info:
Fabric warning
Jan 8 18:24:04 WWN:2b000060220041f9 diag.xxxxx.xxx.com fp: [ID 517869
kern.warning] WARNING: fp(1): N_x Port with D_ID=104000,
PWWN=2b000060220041f9 disappeared from fabric