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60 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide • March 2003
Sun Proprietary/Confidential: Internal Use Only
Troubleshooting the A4 or B4 FC Link
The A4 or B4 link is the FC link from the switch to the Sun StorEdge T3+ array.
If a problem occurs with the A4 or B4 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 an error with the FC link can cause a path to go offline.
FIGURE 5-11 and FIGURE 5-12 are examples of A4 or B4 Link Notification Events.
FIGURE 5-11 A4 or B4 FC Link Data-Host Notification
Site : FSDE LAB Broomfield CO
Source : diag.xxxxx.xxx.com
Severity : Warning
Category : Message
DeviceId : message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.MPXIO_offline
EventTime: 01/29/2002 14:28:06
Found 2 ’driver.MPXIO_offline’ warning(s) in logfile: /var/adm/messages on
diag.xxxxx.xxx.com (id=80e4aa60):
<snip>
----------------------------------------------------------------------
Site : FSDE LAB Broomfield CO
Source : diag.xxxxx.xxx.com
Severity : Warning
Category : Message
DeviceId : message:diag.xxxxx.xxx.com
EventType: LogEvent.driver.Fabric_Warning
EventTime: 01/29/2002 14:28:06
Found 1 ’driver.Fabric_Warning’ warning(s) in logfile: /var/adm/messages on
diag.xxxxx.xxx.com (id=80e4aa60):
INFORMATION:
Fabric warning
<snip>
status of hba /devices/pci@a,2000/pci@2/SUNW,qlc@5/fp@0,0:devctl on
diag.xxxxx.xxx.com changed from CONNECTED to NOT CONNECTED
INFORMATION:
monitors changes in the output of luxadm -e port
Found path to 20 HBA ports
/devices/sbus@2,0/SUNW,socal@d,10000:0 NOT CONNECTED