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E-Series Controller redundancy lost - AutoSupport Message

Last Updated:

Applies to

NetApp E-Series

Event Summary

SANtricity reports a Controller redundancy lost event in the Recovery GURU


  • MAJOR-EVENT-LOG shows Controller redundancy lost, Event type: 2829

Date/Time: <DATE/TIME>
Sequence number: 557252
Event type: 2829
Event category: Internal
Priority: Critical
Event needs attention: true
Event send alert: true
Event visibility: true
Description: Controller redundancy lost
Event specific codes: 0/0/0
Component type: Controller
Component location: Shelf 99, Bay B
Logged by: Controller in bay B

  • Recoveru Guru shows that alternate contoller is in Failed status:

Failure Entry XX: OFFLINE_CTL-Recovery Failure Type Code: 28

Storage array: <ARRAY>
Component reporting problem: Controller in bay A
Status: Failed
Location: Controller/Drive shelf 99, Controller in bay A
Replacement part number: E5700A-64GB
Board ID: 5700
Submodel ID: 360
Serial number: <SERIAL NO>
Component requiring service: Controller in bay A
Service action (removal) allowed: Yes
Service action LED on component: No


  1. Place the alternate controller back online.
  2. If controller doesn't remain online contact NetApp Technical Support and reference this article for further assistance. The solution might require a part replacement.
    • When contacting NetApp Technical Support, please provide the 7-segment code on the back display of the E-Series controller. This will help in troubleshooting the controller issue.

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