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Very poor iSCSI write performance with delayed Ack

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ontap-9
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san
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Applies to

  • ONTAP
  • VMware ESXi
  • Windows Server

Issue

EMS error example:
vifmgr: vifmgr.bcastDomainPartition:error]: Broadcast domain Replication is partitioned into 2 groups on node one. The different groups are. LIFs hosted on the ports in this broadcast domain may be at the risk of seeing connectivity issues.
vifmgr: vifmgr.bcastDomainPartition:error]: Broadcast domain Replication is partitioned into 2 groups on node two. The different groups are. LIFs hosted on the ports in this broadcast domain may be at the risk of seeing connectivity issues.
 

 

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