Error message: "Unsupported LUN Addressing method" in Solaris[TM] messages file (Doc ID 1009314.1)

Last updated on DECEMBER 22, 2012

Applies to:

Sun Storage SAN Foundation Software - Version 4.0 and later
All Platforms

Symptoms

 A Fibre Connected Third party disk array had been working fine. One day the host server, running Solaris[TM] Operating System(OS), unexpectedly lost connection to the disk array. In the /var/adm/messages file, was the following:

Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.info]  /ssm@0,0/pci@1c,700000/pci@1/SUNW,qlc@4/fp@0,0 (fcp2):
Aug 15 13:55:42 sun04         FCP: Report Lun Has Changed target=11100
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.info] /ssm@0,0/pci@1c,700000/pci@1/SUNW,qlc@4/fp@0,0 (fcp2):
Aug 15 13:55:42 sun04         Lun=2 for target=11100 disappeared
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.info] /ssm@0,0/pci@1c,700000/pci@1/SUNW,qlc@4/fp@0,0 (fcp2):
Aug 15 13:55:42 sun04         Lun=0 for target=11100 disappeared
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.warning] WARNING: /pseudo/fcp@0  (fcp0):
Aug 15 13:55:42 sun04         Unsupported LUN Addressing method 40 in response  to REPORT_LUN
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.warning] WARNING: /pseudo/fcp@0 (fcp0):
Aug 15 13:55:42 sun04         Unsupported LUN Addressing method 40 in response to REPORT_LUN
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.info] /ssm@0,0/pci@1c,700000/pci@1/SUNW,qlc@4/fp@0,0 (fcp2):
Aug 15 13:55:42 sun04         offlining lun=2 (trace=0), target=11100 (trace=b10101)
Aug 15 13:55:42 sun04 scsi: [ID 243001 kern.info] /ssm@0,0/pci@1c,700000/pci@1/SUNW,qlc@4/fp@0,0 (fcp2):
Aug 15 13:55:42 sun04         offlining lun=0 (trace=0), target=11100 (trace=b10101)

Cause

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