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Santricity System Manager dashboard record regularly large Controller Drive Channel IOPS

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Applies to

  • EF300
  • Santricity OS 11.70.3

Issue

  • The System Manager dashboard record regularly large Controller Drive Channel IOPS.
  • No corresponding IOPS in Controller Host Channel.
  • The volume is mapped to a Windows host.
  • Snapshot image repository full and snapshot purged in the relative volume.

  TRACE-BUFFERS log

01/24/22-18:05:38.736545 00 raidSched1         cow    vc002 Repository   imageIsFull - no room, handle full repository. b_id:48800274
01/24/22-18:05:38.736549 00 raidSched1         pitm   vc002 PITGroup     auto purge PIT, image: 5 seq: 195 b_ccvmIo: 0
01/24/22-18:05:38.743044 00 Cow00              cow    vc002 Repository   imageDelete - imageNumber:5
01/24/22-18:05:38.743046 00 Cow00              cow    vc002 Repository   imageCleanup - image:5
01/24/22-18:05:38.749882 00 intentLogRecoveryT pitm   vffff PIT          purge intent wwn:6d 03 9e a0 00 50 dd 7f 00 63 03 72 63 7c 78 f7
01/24/22-18:05:38.749896 00 intentLogRecoveryT mel    C0026 MelE         CRITICAL Event:0x7807 Cat:0x4  Pri:1 Log:0 Action:0x0  Origin:0x0
                                                                         ID:0x0        LUN:0xc002     Dev:0x5000c002 Data:0x00000000
                                                                         Snapshot image purged

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