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E4000 controller status changes to "Failed (Offline)"

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Applies to

  • NetApp E-series E4000
  • NetApp StorageGRID Appliance 

Issue

  • E4000 controller status is Offline(Failed) and cannot be set online or powered up.
  • SANtricity System Manager or support data log reports the error of OFFLINE_CTL-Recovery Failure Type Code: 28
  • Alerts in StorageGRID include:

Storage appliance storage connectivity degraded

There is a problem with one or more connections between the compute controller and storage controller.

Appliance storage controller hardware issue

SANtricity software is reporting "Needs attention" for a component in a StorageGRID appliance.

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