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Datastore Inaccessible After Power Outage Due to MTU Size Mismatch

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ontap-9
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nas
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Applies to

  • ONTAP 9
  • VMware ESXi
  • HPE 5710 48XGT

Issue

  • After a power outage, the datastore is inaccessible when the MTU size is set to 9000 on ESXi, switches, and ONTAP.
  • Clicking on the datastore results in the error: "An error occurred. Please try again."
  • Changing the MTU size to 1500 on switches and ONTAP resolves the issue.

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