5.3.9. DataNode storage full alert

This alert is triggered if storage capacity is full on the DataNodes. All the local data partitions stor­ing HDFS data are checked against the total capacity across all the partitions. It uses the check_snmp_storage plug-in. Potential causes
  • Cluster storage is full

  • If cluster storage is not full, DataNode is full Possible remedies
  • If cluster still has storage, use Balancer to distribute the data to relatively less used datanodes

  • If the cluster is full, delete unnecessary data or add additional storage by adding either more DataNodes or more or larger disks to the DataNodes. After adding more storage run Balancer

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