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Luns sharing same Lun ID resulting in error while trying to add initiator to igroup

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ontap-9
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Applies to

  • ONTAP 9.x
  • RHEL Host

Issue

  • Same LUN ID is showing for multiple LUN IDs.
  • cluster1::> lun mapping show
    Vserver    Path                                      Igroup   LUN ID  Protocol
    ---------- ----------------------------------------  -------  ------  --------
    svm1       /vol/iscsi1/iscsi1                        initgroup     0  iscsi
    svm1       /vol/iscsi1/lun0                          igroupA       0  iscsi
    svm1       /vol/iscsi1/lun_1                         igroupB       0  iscsi
     
    cluster1::> igroup show
    Vserver   Igroup       Protocol OS Type  Initiators
    --------- ------------ -------- -------- ------------------------------------
    svm1      initgroup  iscsi    vmware   iqn.1xxx-01.com.vmware:xxx
                                           iqn.1xxx-01.com.vmware:xxy
    svm1      igroupA    iscsi    windows  iqn.1991-05.com.microsoft:xxxx.demo.netapp.com
                                           iqn.1991-05.com.microsoft:snapctr.demo.netapp.com
    svm1      igroupB     iscsi    windows  -
     
  • In the above example, when we try to add any initiator to IgroupB, it fails.
  • When adding IQN iqn.1991-05.com.microsoft:xxxx.demo.netapp.com  to igroupB , it  fails. 

IniatorXXX Failed: You cannot add the node to an initiator group if the node is already present in another initiator group and both initiator groups share a LUN ID
 

 

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