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Mediator Connection status false

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Category:
metrocluster
Specialty:
MetroCluster
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Applies to

  • MetroCluster IP
  • ONTAP 9
  • ONTAP Mediator

Issue

  • The connection status for Mediator reports false:
Example:
Local::*> metrocluster configuration-settings mediator show
Mediator IP     Port    Node                    Configuration Connection
                                                Status        Status
--------------- ------- ----------------------- ------------- -----------
4.3.2.1
                31784   node_A_2                true          false
                        node_A_1                true          false
                        node_B_2                true          false
                        node_B_1                true          false

 
 
  • The EMS log also contains errors relating to latency and iSCSI timeouts
Example:
Fri Sep 24 02:02:28 +0200 [Node-02: pha_main000: mlm.excessive.TPlatency:notice]: Average latency of 253169us on target port, has exceeded 250000us
Fri Sep 24 02:03:13 +0200 [Node-02: kernel: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Reconnecting for the target iqn.2012-05.local:mailbox.target.:1 (type: mailbox, address: 4.3.2.1). Reason: no ping reply after 5 seconds.
Fri Sep 24 02:03:13 +0200 [Node-02: iscsid: iscsi.session.stateChanged:notice]: iSCSI session state is changed to Connected for the target iqn.2012-05.local:mailbox.target.:1 (type: mailbox, address: 4.3.2.1). 
Fri Sep 24 02:04:49 +0200 [Node-02: wafl_exempt12: wafl.vol.snap_create.done:info]: params: {'vol': 'Node_02_root', 'app': '', 'volident': '', 'run_time': '222', 'owner': '', 'type': 'Aggregate'}

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