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Node Mgmt Service Offline Due to VMEM Limit Exceeded

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Applies to

  • NetApp AFF-C250
  • ONTAP 9.16.1P5 Cluster Mode

Issue

The management service (mgmt) on node Node03 is offline. Cluster ring output shows the mgmt unit as offline:

::> cluster ring show

Node      Unit Name      Online
-------------------------------
Node03 mgmt 0        -offline
...

EMS logs indicate repeated VMEM limit exceeded errors for the mgwd process:

[Node03:mgwd:kern.vm.mmap.return:notice]: mmap(2) by mgwd(pid 3742) for size 32768 failed: VMEM limit exceeded, limit 4294967296, error 12.
[Node03:mgwd:kern.vm.mmap.return:notice]: mmap(2) by mgwd(pid 3742) for size 4096 failed: VMEM limit exceeded, limit 4294967296, error 12.

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