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E-Series ARVM initialize performance degraded when Resource Provisioning is enabled

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Applies to

  • E-Series
  • SANtricity OS 11.80
  • Asynchronous Remote Volume Mirroring (ARVM)
  • Resource provisioning is enabled

Issue

  • ARVM initialize performance suddenly degraded
  • PERF-STATS-DAILY-SUMMARY indicates that IOPS gets decreased during initialization

Time,                    IOPs Total,   Block/s Total,
 03/16/24-03:52:12,            1539,         6323125,     
 03/16/24-03:53:18,            1562,         6421000,     
 03/16/24-03:54:24,            1539,         6322375,     
 03/16/24-03:55:29,            1562,         6419937,     
 03/16/24-03:56:35,             125,          542437,     
 03/16/24-03:57:40,              39,          188062,     
 03/16/24-03:58:46,              39,          184250,     

Note: Performance degrades after all the allocated blocks are transferred

 

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