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FC target adapter link not connected

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Category:
ontap-9
Specialty:
san
Last Updated:

Applies to

  • ONTAP 9
  • FC SAN
  • Brocade switch
  • Brocade Fabric OS (FOS)

Issue

  • SYCONFIG-A shows adapter status is LINK NOT CONNECTED:
slot 1: Fibre Channel Target Host Adapter 1c
                (Emulex LPe32000 (LPe32004) rev. 12, <LINK NOT CONNECTED>)
  • FCP-ADAPTER.XML or network fcp adapter show for the adapter shows operational status LINK NOT CONNECTED:
cluster1::> network fcp adapter show -node cluster1-01 -adapter 0a
[...]
Administrative Status: up
Operational Status: link not connected
Extended Status: ADAPTER UP
  • FCP-ADAPTER.XML or network fcp adapter show for the adapter shows no received power and normal transmitted power:
cluster1::> network fcp adapter show -node cluster1-01 -adapter 0a
[...]
Received Optical Power: 0.0 (uWatts)
Is Received Power In Range: false
SFP Transmitted Optical Power: 1069.1 (uWatts)
Is Xmit Power In Range: true
  • NETWORK-INTERFACE.XML or network interface show for LIFs on the adapter shows extended status Waiting for Link:
cluster1::> network interface show -instance -curr-node cluster1-01 -curr-port 0a
[...]
Administrative Status: up
Extended Status: Waiting for Link.
  • Link break shown in the EMS logs:

[cluster1-01: fct_tpd_work_thread_0: scsitarget.slifct.linkBreak:error]: Link break detected on Fibre Channel target HBA 0a with event status 1 , topology type 1, status1 0x0, status2 0x0.

  • switchshow on the attached Brocade switch shows No_Sync state:
switch:admin> switchshow
[...]
Index Port Address  Media Speed   State       Proto
==================================================
[...]
13  13   010d00   id    N32  No_Sync     FC
  • sfpshow on switch shows normal power for receive and transmit:
switch:admin> sfpshow 13
[...]
RX Power:    -0.3    dBm (933.5uW)
TX Power:    -0.6    dBm (862.3 uW)
  • On the switch side, when the attached cable is swapped to another port, the issue travels with the cable.
  • On the NetApp side, when the cable is swapped with a known working cable from an adapter on the HA partner node, attached to the same fabric/switch, the issue travels with the cable.

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