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Cluster Capacity Monitoring

Cluster Capacity Monitoring

Owned by Rumena Zlatkova (Deactivated)
Last updated: Nov 21, 2023 by Bala Harish A(AC)
1 min read

Important

The maximum storage space in a cluster is the lesser of the two: total physical space and licensed capacity.

Note

The featureMinimumMinReps item in the license file is unrelated to the number of replicas required to be kept in the cluster (specified in the configuration), so it does not affect licensed capacity.

Running Low on Space

Two settings help stay ahead of running out of cluster capacity:

  • console.spaceWarnLevel specifies what percentage of space remaining on the node triggers a warning. Set to 25% of available space by default.

  • console.spaceErrorLevel specifies what percentage of space remaining on the node triggers an alert. Set at 10% of available space by default.

Within an hour of reaching either of these thresholds, an announcement appears both in the logs and the UI.

Out of Space

All inbound write requests are refused when available space in the cluster reaches zero. Internal replication and relocation continue and all previously stored data is still readable. No data is lost or corrupted.

Contact a DataCore Sales or Support representative to increase licensed capacity.

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