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OCUM reports Aggregate is Overcommitted, How to verify in ONTAP

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Category:
ontap-9
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core
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Applies to

  • ONTAP 9.1 and later
  • OnCommand Unified Manager

Description

OnCommand Unified Manager notification received

******************************
Risk          - Aggregate Overcommitted
Impact Area   - Protection
Severity      - Error
State         - New
Source        - Fas8200-01: AGG_01
Cluster Name  - Fas8200
Cluster FQDN  - 10.10.10.10
Trigger Condition - The overcommitted threshold set at 100% is breached. 121.07 TB (222.49%) of 54.42 TB is committed. 32.39 TB (59.52%) is used.
Description   - This alert will trigger when the aggregate has had more space allocated to volumes than the amount of usable space in the aggregate (or is close to using more space)
******************************

 

To calculate over commitment you need to know volume type.

  • Type DP  volumes consider volume total size
  • Type RW volumes consider Maximum Autosize

 

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