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E-Series high latency and low throughput using SLES sgp_dd command

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Applies to

  • E2800
  • SANtricity System Manager 11.60R2
  • Suse Linux Enterprise Server (SLES) 12 SP4

Issue

  • The array shows very different read/write performance
  • High latency (up to 200 ms) observed during sgp_dd copy using multiple threads

 

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