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Sun Microsystems 3900 Series User Manual

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Chapter 3
Troubleshooting the Fibre Channel Links
25
For Internal Use Only
▼
To Verify the Data Host
An error in the A1/B1 FC link can cause a path to go offline in the multipathing
software.
CODE EXAMPLE 3-1
luxadm
(1M) Display
# luxadm display
/dev/rdsk/c6t29000060220041F96257354230303052d0s2
DEVICE PROPERTIES for disk: /dev/rdsk/
c6t29000060220041F96257354230303052d0s2
  Status(Port A):       O.K.
  Status(Port B):       O.K.
  Vendor:               SUN
  Product ID:           SESS01
  WWN(Node):            2a000060220041f4
  WWN(Port A):          2b000060220041f4
  WWN(Port B):          2b000060220041f9
  Revision:             080C
  Serial Num:           Unsupported
  Unformatted capacity: 102400.000 MBytes
  Write Cache:          Enabled
  Read Cache:           Enabled
    Minimum prefetch:   0x0
    Maximum prefetch:   0x0
  Device Type:          Disk device
  Path(s):
  /dev/rdsk/c6t29000060220041F96257354230303052d0s2
  /devices/scsi_vhci/ssd@g29000060220041f96257354230303052:c,raw
   Controller           /devices/pci@6,4000/SUNW,qlc@3/fp@0,0
     Device Address     2b000060220041f9,0
     Class              primary
 State              OFFLINE
   Controller           /devices/pci@6,4000/SUNW,qlc@2/fp@0,0
     Device Address     2b000060220041f4,0
     Class              primary
     State              ONLINE
...