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During MetroCluster switch upgrade front-end stopped serving data

Last Updated:

Applies to

  • AFF-A220
  • MetroCluster IP
  • Backend switch upgrade
  • ONTAP <9.7P15
  • ONTAP <9.8P7
  • ONTAP <9.9.1P1


While upgrading the backend switches in this Metrocluster IP configuration front-end stopped serving data.
Following is seen from the event log
[Node-01: intr: netif.linkDown:info]: Ethernet e0a: Link down, check cable.
[Node-01: intr: netif.linkDown:info]: Ethernet e0a-10: Link down, check cable.
[Node-01: intr: netif.linkUp:info]: Ethernet e0a: Link up.
[Node-01: intr: netif.linkUp:info]: Ethernet e0a-10: Link up.
[Node-01: wafl_exempt02: wafl.cp.toolong:error]: Aggregate aggr_root experienced a long CP.
[Node-01: wafl_exempt00: wafl.cp.toolong:error]: Aggregate aggr_data experienced a long CP.
[Node-01: diskown.errorDuringIO:error]: error 23 (adapter error prevents command from being sent to device) on disk 0m.i1.1L26 (S/N HLY12300) while reading individual disk ownership area


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