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During giveback, FC ports are up, but the LIFs go down

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ontap-9
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san
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Applies to

  • ONTAP 9
  • FCP
  • Cisco MDS 9000 series 9.4 (1,1a), 9.3 (1, 2, 2a)

Issue

  • During giveback, FC ports come up, but the LIFs remain down.
Example:
 
node::> net int show
  (network interface show)
            Logical    Status     Network            Current       Current Is
Vserver     Interface  Admin/Oper Address/Mask       Node          Port    Home
----------- ---------- ---------- ------------------ ------------- ------- ----
V1    LIF01  up/down  20:01:xx:39:ea:ac:xx:28 node01 xx true
  LIF02  up/down  20:02:xx:39:ea:ac:xx:28 node01 xx true
  • EMS log show:
scsitarget.fct.loginfailed: FC port xx, NPIV port 0 failed fabric login with status of 3 and an extended status of x1a.
scsitarget.slifct.linkBreak: Link break detected on Fibre Channel target HBA xx with event status 1 , topology type 1.
  • show logging log on Cisco switch shows:
%PORT-5-IF_DOWN_LINK_FAILURE: %$VSAN 11%$ Interface fc1/x is down (Link failure loss of signal)
%PORT-5-IF_DOWN_LINK_FAILURE: %$VSAN 11%$ Interface fc1/x is down (Link failure loss of signal)
  • SFP reset on the ONTAP port does not help.
  • Port reset on the switch switch side brings back all the LIFs on ONTAP.
  • show hardware internal fcmac port xx port-event shows the following after port reset:
show hardware internal fcmac port xx port-event`
========= FCP Port#xx Internal Port State Machine Event Log ==========
MMDDYY HHMMSS usecs          Event                      Current State
--------------------         -----                      -------------
-                            -                          IPS_LINK_UP            <<< Link is up
080223 213109 493802 (0000)  E_IPS_LINK_INIT_SUC        IPS_LINK_INIT     (0)
...
080223 213108 933719 (0002)  E_IPS_TMO                  IPS_ENABLE_CHK    (0)
080223 213108 921531 (0727)  E_IPS_PM_EN                IPS_DOWN          (0)  <<< User issues 'no shutdown'
080223 213050 602462 (0001)  E_IPS_TMO                  IPS_DOWN_WAIT     (0)
080223 213050 596777 (D49D3)  E_IPS_PM_DIS               IPS_LINK_OFFLINE  (0) <<< Link is hung in offline state and user issues 'shutdown'
080223 190541 929449 (0003)  E_IPS_PM_EN                IPS_LINK_OFFLINE  (0)
...
080223 190541 785125 (0116)  E_IPS_PM_OFFLINE           IPS_LINK_UP       (0)
...
080223 190537 973214 (000B)  E_IPS_SIG_LOSS             IPS_LINK_UP       (0)
080223 190537 871924 (35937769)  E_IPS_SIG_LOSS_INTR        IPS_LINK_UP       (0)  <<< SP is upgraded

 

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