AIQUM reports SnapMirror destination volume size growth rate abnormal and the aggregate space nearly full with TSSE enabled on both Source and Destination

Applies to

• ONTAP 9.13.1 or later
• AFF C-Series platforms
• SnapMirror
• XDP
• Temperature Sensitive Storage Efficiency (TSSE)
• Active IQ Unified Manager (AIQUM)

Issue

• AIQUM reports destination volume size growth rate abnormal and triggers the aggregate nearly full alert with 60% threshold breached.

  Risk          - Aggregate Space Nearly Full
  Impact Area   - Protection
  Severity      - Warning
  State         - New
  Source        - DestCluster-02:DestCluster_aggr02
  Cluster Name  - DestCluster
  Cluster FQDN  - xx.xx.xx.xx
  Trigger Condition - The nearly full threshold set at 60% is breached. 134.88 TiB (70.15%) of 192.27 TiB is used.

  Risk          - Volume Growth Rate Abnormal
  Impact Area   - Protection
  Severity      - Warning
  State         - New
  Source        - DestCluster_SVM:/DestVol-01
  Cluster Name  - DestCluster
  Cluster FQDN  - xx.xx.xx.xx
  Trigger Condition - Volume DestVol-01 data space has grown from 22.48 TiB to 24.09 TiB in the last 24 hours. Normal growth rate is 13858662.45 KiB/hour.

• Storage efficiency are enabled on both SnapMirror source and destination volumes.
• SnapMirror source and destination volumes are different sizes with foot print data reduction.

Volume : SourceVol-01

      Feature                                                 Used      Used%
      ---------------------------------------------      -------------      -----
      Volume Data Footprint                                   37.4TB        19%
      Flexible Volume Metadata                                 214GB         0%
      Deduplication Metadata                                  16.8GB         0%
         Deduplication                                        16.8GB         0%
      Delayed Frees                                            207GB         0%
      File Operation Metadata                                 4.00KB         0%
      Total                                                   37.8TB        20%
      Footprint Data Reduction                                7.03TB         4%
         Auto Adaptive Compression                            6.92TB         4%
         Data Compaction                                       114GB         0%

      Effective Total Footprint                               30.8TB        16%

Volume : DestVol-01

      Feature                                                 Used      Used%
      ---------------------------------------------      -------------      -----
      Volume Data Footprint                                   37.2TB        19%
      Flexible Volume Metadata                                 229GB         0%
      Delayed Frees                                            270GB         0%
      File Operation Metadata                                 4.00KB         0%
      Total                                                   37.6TB        20%
      Footprint Data Reduction                                 746GB         0%
         Auto Adaptive Compression                             746GB         0%

      Effective Total Footprint                               36.9TB        19%

• EMS have no alerts with Aggregate Nearly Full Threshold is set to 93%.

Aggregate    DestCluster_aggr02
Aggregate Nearly Full Threshold Percent    93%
Aggregate Full Threshold Percent    96%