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High response times for volumes on SATA or SAS disks when workload increases (Performance Capacity beyond critical threshold)

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Applies to

  • FAS systems
  • Data ONTAP 8
  • ONTAP 9

Issue

  • Long response times or high latency is seen on NAS & SAN clients while accessing data on volumes located on SATA or SAS disks
  • Backup times may be increased
  • Performance capacity in Unified Manager, or as viewed in Active IQ PAS (Performance Archive viewer) is beyond critical threshold for the affected aggregate
  • One Specific constituent in Flexgroup or volume could experience latency on one node on a aggregate

 

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