I have two servers with shared luns so storage admin create initiator group ant put all ports from two servers in same group the main problem that I have h/w errors and bad IO behavior and there is indicator point to the shared ports is problems
root@CBSMain1:~# fcinfo hba-port | grep 'HBA Port WWN'
HBA Port WWN: 21000024ff4d1b34
HBA Port WWN: 21000024ff4d1b35
HBA Port WWN: 21000024ff4a8ba2
HBA Port WWN: 21000024ff4a8ba3
HBA Port WWN: 21000024ff4d1d7e
HBA Port WWN: 21000024ff4d1d7f
HBA Port WWN: 21000024ff4c45ac
HBA Port WWN: 21000024ff4c45ad
HBA Port WWN: 21000024ff4c4eca
HBA Port WWN: 21000024ff4c4ecb
HBA Port WWN: 21000024ff4d1d48
HBA Port WWN: 21000024ff4d1d49
=======================
root@CBSMain1:~# cfgadm -al
Ap_Id Type Receptacle Occupant Condition
PCIE1 etherne/hp connected configured ok
PCIE2 unknown empty unconfigured unknown
PCIE3 etherne/hp connected configured ok
PCIE4 fibre/hp connected configured ok
PCIE5 etherne/hp connected configured ok
PCIE6 fibre/hp connected configured ok
PCIE7 etherne/hp connected configured ok
PCIE8 fibre/hp connected configured ok
PCIE9 etherne/hp connected configured ok
PCIE10 fibre/hp connected configured ok
PCIE11 etherne/hp connected configured ok
PCIE12 fibre/hp connected configured ok
PCIE13 etherne/hp connected configured ok
PCIE14 fibre/hp connected configured ok
PCIE15 etherne/hp connected configured ok
PCIE16 unknown empty unconfigured unknown
c3 scsi-sas connected configured unknown
c3::dsk/c3t3ED8D0BCBED149ACd0 disk connected configured unknown
c4 scsi-sas connected configured unknown
c4::dsk/c4t30917884986EE776d0 disk connected configured unknown
c5 scsi-sas connected unconfigured unknown
c6 scsi-sas connected unconfigured unknown
c7 fc-fabric connected configured unknown
c7::50000975f0074141 disk connected configured unknown
c7::50000975f0074149 disk connected configured unknown
c8 fc-fabric connected configured unknown
c8::50000975f0074145 disk connected configured unknown
c8::50000975f007414d disk connected configured unknown
c9 fc-fabric connected configured unknown
c9::21000024ff4c45b4 unknown connected unconfigured unknown
c9::50000975f0074141 disk connected configured unknown
c9::50000975f0074149 disk connected configured unknown
c10 fc-fabric connected configured unknown
c10::50000975f0074145 disk connected configured unknown
c10::50000975f007414d disk connected configured unknown
c11 fc-fabric connected unconfigured unknown
c12 fc-fabric connected unconfigured unknown
c13 fc-fabric connected configured unknown
c13::21000024ff484536 unknown connected unconfigured unknown
c13::50000975f0074141 disk connected configured unknown
c13::50000975f0074149 disk connected configured unknown
c14 fc-fabric connected configured unknown
c14::21000024ff484537 unknown connected unconfigured unknown
c14::50000975f0074145 disk connected configured unknown
c14::50000975f007414d disk connected configured unknown
c15 fc-fabric connected configured unknown
c15::21000024ff4c4ece unknown connected unconfigured unknown
c15::50000975f0074141 disk connected configured unknown
c15::50000975f0074149 disk connected configured unknown
c16 fc-fabric connected configured unknown
c16::21000024ff4c4ecf unknown connected unconfigured unknown
c16::50000975f0074145 disk connected configured unknown
c16::50000975f007414d disk connected configured unknown
c17 fc-fabric connected configured unknown
c17::21000024ff4d1be4 unknown connected unconfigured unknown
c17::50000975f0074141 disk connected configured unknown
c17::50000975f0074149 disk connected configured unknown
c18 fc-fabric connected configured unknown
c18::21000024ff4d1be5 unknown connected unconfigured unknown
c18::50000975f0074145 disk connected configured unknown
c18::50000975f007414d disk connected configured unknown
c19 scsi-sas connected unconfigured unknown
c20 scsi-sas connected unconfigured unknown
usb2/1 unknown empty unconfigured ok
usb2/2 unknown empty unconfigured ok
usb2/3 unknown empty unconfigured ok
usb2/4 unknown empty unconfigured ok
usb2/5 unknown empty unconfigured ok
usb2/6 usb-communi connected configured ok
usb2/7 unknown empty unconfigured ok
usb2/8 unknown empty unconfigured ok
usb3/1 unknown empty unconfigured ok
usb3/2 unknown empty unconfigured ok
usb3/3 unknown empty unconfigured ok
usb3/4 unknown empty unconfigured ok
usb3/5 unknown empty unconfigured ok
usb3/6 unknown empty unconfigured ok
usb3/7 unknown empty unconfigured ok
usb3/8 unknown empty unconfigured ok
================================================
root@CBSMain2:~# fcinfo hba-port | grep 'HBA Port WWN'
HBA Port WWN: 21000024ff4d1be4
HBA Port WWN: 21000024ff4d1be5
HBA Port WWN: 21000024ff484536
HBA Port WWN: 21000024ff484537
HBA Port WWN: 21000024ff484683
HBA Port WWN: 21000024ff484682
HBA Port WWN: 21000024ff4c45b5
HBA Port WWN: 21000024ff4c45b4
HBA Port WWN: 21000024ff4c4eb3
HBA Port WWN: 21000024ff4c4eb2
HBA Port WWN: 21000024ff4c4ecf
HBA Port WWN: 21000024ff4c4ece
=============================
root@CBSMain2:~# cfgadm -al
Ap_Id Type Receptacle Occupant Condition
PCIE1 etherne/hp connected configured ok
PCIE2 unknown empty unconfigured unknown
PCIE3 etherne/hp connected configured ok
PCIE4 fibre/hp connected configured ok
PCIE5 etherne/hp connected configured ok
PCIE6 fibre/hp connected configured ok
PCIE7 etherne/hp connected configured ok
PCIE8 fibre/hp connected configured ok
PCIE9 etherne/hp connected configured ok
PCIE10 fibre/hp connected configured ok
PCIE11 etherne/hp connected configured ok
PCIE12 fibre/hp connected configured ok
PCIE13 etherne/hp connected configured ok
PCIE14 fibre/hp connected configured ok
PCIE15 etherne/hp connected configured ok
PCIE16 unknown empty unconfigured unknown
c1 fc-fabric connected configured unknown
c1::21000024ff4c4eb2 unavailable connected unconfigured failed
c1::50000975f0074108 disk connected configured unusable
c1::50000975f0074141 disk connected configured unknown
c1::50000975f0074149 disk connected configured unknown
c3 scsi-sas connected configured unknown
c3::dsk/c3t3FDD4EF23FD2BBE2d0 disk connected configured unknown
c4 scsi-sas connected configured unknown
c4::dsk/c4t35838118D57CFF8Ad0 disk connected configured unknown
c5 scsi-sas connected unconfigured unknown
c6 scsi-sas connected unconfigured unknown
c7 fc-fabric connected configured unknown
c7::21000024ff4c45ac unknown connected unconfigured unknown
c7::50000975f0074108 disk connected configured unusable
c7::50000975f0074141 disk connected configured unusable
c7::50000975f0074149 disk connected configured unusable
c8 fc-fabric connected configured unknown
c8::50000975f007410c disk connected configured unusable
c8::50000975f0074145 disk connected configured unusable
c8::50000975f007414d disk connected configured unusable
c9 fc-fabric connected configured unknown
c9::21000024ff4c4ec8 unknown connected unconfigured unknown
c9::50000975f0074108 disk connected configured unusable
c9::50000975f0074141 disk connected configured unknown
c9::50000975f0074149 disk connected configured unknown
c10 fc-fabric connected unconfigured unknown
c11 fc-fabric connected configured unknown
c11::50000975f0074108 disk connected configured unusable
c11::50000975f0074141 disk connected configured unknown
c11::50000975f0074149 disk connected configured unknown
c12 fc-fabric connected configured unknown
c12::50000975f007410c disk connected configured unusable
c12::50000975f0074145 disk connected configured unknown
c12::50000975f007414d disk connected configured unknown
c13 fc-fabric connected configured unknown
c13::21000024ff4d1d48 unknown connected unconfigured unknown
c13::50000975f0074108 disk connected configured unusable
c13::50000975f0074141 disk connected configured unknown
c13::50000975f0074149 disk connected configured unknown
c14 fc-fabric connected configured unknown
c14::21000024ff4d1d49 unknown connected unconfigured unknown
c14::50000975f007410c disk connected configured unusable
c14::50000975f0074145 disk connected configured unknown
c14::50000975f007414d disk connected configured unknown
c15 fc-fabric connected configured unknown
c15::21000024ff4d1d7e unknown connected unconfigured unknown
c15::50000975f0074108 disk connected configured unusable
c15::50000975f0074141 disk connected configured unknown
c15::50000975f0074149 disk connected configured unknown
c16 fc-fabric connected configured unknown
c16::21000024ff4d1d7f unknown connected unconfigured unknown
c16::50000975f007410c disk connected configured unusable
c16::50000975f0074145 disk connected configured unknown
c16::50000975f007414d disk connected configured unknown
c17 fc-fabric connected configured unknown
c17::21000024ff4d1b34 unknown connected unconfigured unknown
c17::50000975f0074108 disk connected configured unusable
c17::50000975f0074141 disk connected configured unknown
c17::50000975f0074149 disk connected configured unknown
c18 fc-fabric connected configured unknown
c18::21000024ff4d1b35 unknown connected unconfigured unknown
c18::50000975f007410c disk connected configured unusable
c18::50000975f0074145 disk connected configured unknown
c18::50000975f007414d disk connected configured unknown
c19 scsi-sas connected unconfigured unknown
c20 scsi-sas connected unconfigured unknown
c21 fc-fabric connected unconfigured unknown
c22 fc-fabric connected unconfigured unknown
c23 fc-fabric connected configured unknown
c23::50000975f0074108 disk connected configured unusable
c23::50000975f0074141 disk connected configured unknown
c23::50000975f0074149 disk connected configured unknown
c23::c0007d084f7878a4 unknown connected unconfigured unknown
c24 fc-fabric connected unconfigured unknown
c25 fc-fabric connected unconfigured unknown
c26 fc-fabric connected unconfigured unknown
c27 fc-fabric connected unconfigured unknown
usb2/1 unknown empty unconfigured ok
usb2/2 unknown empty unconfigured ok
usb2/3 unknown empty unconfigured ok
usb2/4 unknown empty unconfigured ok
usb2/5 unknown empty unconfigured ok
usb2/6 usb-communi connected configured ok
usb2/7 unknown empty unconfigured ok
usb2/8 unknown empty unconfigured ok
usb3/1 unknown empty unconfigured ok
usb3/2 unknown empty unconfigured ok
usb3/3 unknown empty unconfigured ok
usb3/4 unknown empty unconfigured ok
usb3/5 unknown empty unconfigured ok
usb3/6 unknown empty unconfigured ok
usb3/7 unknown empty unconfigured ok
usb3/8 unknown empty unconfigured ok
====================================
0 958 920 1878 c0t60000970000298700464533030353032d0
0 835 799 1634 c0t60000970000298700464533030353031d0
0 961 923 1884 c0t60000970000298700464533030353030d0
0 985 949 1934 c0t60000970000298700464533030344646d0
0 1026 990 2016 c0t60000970000298700464533030344645d0
0 1023 988 2011 c0t60000970000298700464533030344644d0
0 893 858 1751 c0t60000970000298700464533030344643d0
0 940 904 1844 c0t60000970000298700464533030344642d0
0 61 22 83 c0t60000970000298700464533030343032d0
0 56 16 72 c0t60000970000298700464533030343031d0
0 0 0 0 c0t60000970000298700464533030344634d0
0 0 0 0 c0t60000970000298700464533030343944d0
0 0 0 0 c0t6000097000029870046453303
=======================
servers SPARC T5-4
storage
Vendor: EMC
Product: SYMMETRIX
Revision: 5874
==================@"FilipFrancis-Exitas"
============================================================
SR
===
| Severity 3 |  | SR 3-13917547351 : unknown ports in cfgadm in both T5-4 servers |
|
| |
===============================
for example this disk have much more h/w errors
0 1043 1008 2051 c0t60000970000298700464533030334239d0
and related path info you will found one of unwanted ports in the path
root@CBSMain2:~# mpathadm show LU /dev/rdsk/c0t60000970000298700464533030334239d0s2
Logical Unit: /dev/rdsk/c0t60000970000298700464533030334239d0s2
mpath-support: libmpscsi_vhci.so
Vendor: EMC
Product: SYMMETRIX
Revision: 5874
Name Type: unknown type
Name: 60000970000298700464533030334239
Asymmetric: no
Current Load Balance: round-robin
Logical Unit Group ID: NA
Auto Failback: on
Auto Probing: NA
Paths:
Initiator Port Name: 21000024ff484683
Target Port Name: 50000975f0074145
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 21000024ff484683
Target Port Name: 50000975f007410c
Override Path: NA
Path State: unavailable
Disabled: no
Initiator Port Name: 21000024ff484683
Target Port Name: 50000975f007414d
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 21000024ff4d1be4
Target Port Name: 50000975f0074141
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 21000024ff4d1be4
Target Port Name: 50000975f0074149
Override Path: NA
Path State: OK
Disabled: no
Initiator Port Name: 21000024ff4d1be4
Target Port Name: 50000975f0074108
Override Path: NA
Path State: unavailable
Disabled: no
Target Ports:
Name: 50000975f0074145
Relative ID: 0
Name: 50000975f007410c
Relative ID: 0
Name: 50000975f007414d
Relative ID: 0
Name: 50000975f0074141
Relative ID: 0
Name: 50000975f0074149
Relative ID: 0
Name: 50000975f0074108
Relative ID: 0
root@CBSMain2:~#