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VMs down post takeover of node due to PR keys crossing threshold

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Category:
ontap-9
Specialty:
san
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Applies to

  • ASA
  • Ontap 9.x Cluster
  • SMAS(Snapmirror active sync)

Issue

  • Takeover of node was performed during addition of network card on Node1.
  • During which all VMs hosted on multiple datastores went down.
  • All these are coming from single LUN which is mapped to 14 igroups.
  • There is total 224 connections to this single LUN from all hosts via PDC(Primary Data Center) and SDC(Secondary Data Center) as this is SMAS configuration.

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