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A2/b2 fibre channel (fc) link, For internal use only – Sun Microsystems StorEdge 6900 Series User Manual

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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.

FIGURE 3-4

and

FIGURE 3-5

are examples of A2/B2 FC Link Notification Events.

FIGURE 3-4

A2/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: <[email protected]>

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

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

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