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E-Series Array performance degradation on Luste Metadata Service (MDS) volume

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e-series-systems
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Applies to

  • NetApp E-Series
  • EF600
  • SANtricity OS 08.62.00.00
  • SANtricity 11.60.1R1
  • Lustre Metadata Service (MDS) LUN

Issue

  • Several critical alerts including core dumps
  • Performance degradation with Write-back caching forcibly disabled
Example:
E-Series Notification (Core dump has been captured) INFO
E-Series Notification (Controller tray component failed) CRITICAL
E-Series Notification (Write-back caching forcibly disabled) CRITICAL

 

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