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Dual E-Series controller down, no serial connection possible

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Category:
e-series-systems
Specialty:
esg
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Applies to

NetApp E-Series

Issue

  • both controller down
  • no serial connection to either controller possible
  • one ctrl reports 0E L0 - lockdown due to Board ID mismatch
  • second ctrl reports unknown 7-segment code, looks similar like C5
  • ping to lockdown ctrl possible but no ssh

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