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IPが重複すると、iSCSIセッションがランダムに再接続されます

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metrocluster
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metrocluster<a>2009444546</a>
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環境

MetroCluster IPの略

問題

  • EMS /イベントでタイムアウトが発生してタイムアウトしたため、バックエンドiSCSIセッションを常時再接続しています。  

[ClusterB-01:iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-06.com.netapp:09868cf1-034a-11e7-8ac6-d039ea1d28c3 (type: dr_partner, address: 192.168.188.1:65200). Reason: session login timed out.

[ClusterB-01:iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2016-06.com.netapp:76acc4e4-034b-11e7-b81d-d039ea1d63df (type: dr_auxiliary, address: 192.168.188.2:65200). Reason: session login timed out.

  • 複数のノードへのセッションがランダムに稼働/停止する

cluster01A::*> storage iscsi-initiator show -status-oper down
                                    Status
Node Type Label   Target Portal    Target Name            Admin/Op
---- ---- -------- ------------------ -------------------------------- --------
cluster01A-01
   dr_auxiliary
      mccip-aux-a-initiator
          10.1.1.4:65200    iqn.2016-02.com.netapp:abcd1234efgh5678ijkl91011mnop1213
                                     up/up
        Failure Reason:  Operation timed out
      mccip-aux-a-initiator2
          10.1.1.4:65200    iqn.2016-03.com.netapp:abcd1234efgh5678ijkl91011mnop1214
                                     up/down
        Failure Reason:  Operation timed out
   dr_partner
      mccip-pri-a-initiator
          10.1.1.3:65200    iqn.2016-04.com.netapp:abcd1234efgh5678ijkl91011mnop1215
                                     up/up
        Failure Reason:  Operation timed out
      mccip-pri-a-initiator2
          10.1.1.3:65200    iqn.2016-05.com.netapp:abcd1234efgh5678ijkl91011mnop121316
                                     up/down
        Failure Reason:  Operation timed out

  • 物理レイヤの問題はありません

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