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High read latency seen after controller upgrade from AFF-A400 to other platforms

  1. Last updated
    May 8, 2025
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Category:
ontap-9
Specialty:
perf
Last Updated:
5/8/2025, 1:02:33 AM

Applies to

  • ONTAP 9
  • Non AFF-A400

Issue

  • High read latency is seen due to decompression
    • after upgrading from an AFF A400 system.
    • after SnapMirror data transfering from an AFF A400 system.
  • ActiveIQ reports the below risk:

Volumes migrated off an AFF-A400 that use the lzrw1a compressiong algorithm to a different model may experience higher latency.

 

 

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