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E-Series extreme performance degradation with timeouts on ATS operations with large VMware clusters

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Applies to

  • NetApp E-Series
  • E2600
  • E2700
  • E2800 & EF280
  • E5400 & EF540
  • E5500 & EF550
  • E5600 & EF560
  • E5700 & EF570
  • VMware Cluster
  • VMware vSphere
  • VMware ESXi 6.0 (Update 3)

Issue

  • In large VMware clusters using E-Series controllers with firmware SANtricity OS 11.40R1 or 8.40.00.01 
  • May experience performance degradation
  • Virtual servers may randomly reboot
  • VMware may report
    • Timeouts with ATS operations
    • Reservation conflicts messages

 

 

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