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System Manager displays partially connected status for igroup

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2,336
Visibility:
Public
Votes:
3
Category:
ontap-9
Specialty:
san
Last Updated:

Applies to

  • ONTAP 9.11 or newer
  • SAN

Issue

  • System Manager displays partially connected for igroup and portset.

Example:

System Manager displays partially connected
 
  • Alert details identify LIF with the current initiator connection.
    the initiator is not logged in to any network interface in portset

Example:

iSCSI initiator connection

  • Ems log show:

Partially connected Initiator 'xxxxxxxxxxxxx' is not logged in to any network interfaces on node "node1"

  • Initiators seem to be logged in to only one of the nodes.

Example:

igroup show -instance -vserver v1 -igroup ig1

Vserver Name: v1
Igroup Name: ig1
Protocol: fcp
OS Type: vmware
Portset Binding Igroup: -         
Initiators:21:00:xx:xx:xx:xx:xx (node1) (not logged in)
           21:00:xx:xx:xx:xx:xx (node2) ( logged in)

  • LIFs and corresponding ports hosting the lifs are up and online on both the Nodes on storage end.
  • Host login events(scsitarget.fct.portLogin) from affected host logged in on storage EMS, which means the host/switch rebooted.

  • However, post that there are missing login events logged from the same wwpn, indicating that the host could not establish connection back to storage post reboot of the host.

Fri Dec 22 16:57:02 +0530 [NetApp1: fct_tpd_work_thread_0: scsitarget.fct.portLogin:notice]: Login at target FC port: '0e' by initiator port: 'aa:00:00:10:9b:yy:xy:xx' address 0x106xx. The target virtual port is: 'NetApp FC Target Port (8324) svm:lif_1'.
Fri Dec 22 17:01:48 +0530 [NetApp1: bcomd: san.initiator.login.missing:notice]: Initiator "aa:00:00:10:9b:yy:xy:xx" is not logged in to any LIFs on this node for Vserver "svm", portset "fc_pset_1". Access to LUNs might be disrupted if a failover occurs.
Fri Dec 22 17:16:48 +0530 [NetApp1: bcomd: san.initiator.login:notice]: Missing login for initiator "aa:00:00:10:9b:yy:xy:xx", Vserver "svm", portset "xxx", has been logged on.

  • WWPN is logged into LIF of nodeA but is not logged into LIF of partner node and below error message is seen in EMS logs.

Initiator "10:00:00:00:aa:xx:yy:xx" is not logged in to any network interfaces on node "Nodeb".

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