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The aggregate size becomes smaller when one of OST node shutdown in HA pair

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Applies to

ONTAP Select (OST)

Issue

  • The aggregate size becomes smaller when one of OST node shutdown in HA pair.

aggr_decrease.jpg

 
  • raid.mirror.snapResExpanded can be observed from EMS log.
7/18/2023 05:36:11  sdot99102-01     NOTICE        raid.mirror.snapResExpanded: Aggregate Snapshot copy reserve in SyncMirror aggregate 'aggr1' is increased from 5% to 16% while the mirror is degraded or resyncing. Aggregate Snapshot copy reserve will be reverted to the old value when resync is complete.

 

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