HDFS data node events
The following table lists the events that are created for the HDFS data node component.
| Event | Event Type |
Severity | Call Home | Details |
|---|---|---|---|---|
| hdfs_datanode_config_missing | STATE_CHANGE | WARNING | no | Message: HDFS DataNode configuration is missing. |
| Description: The HDFS DataNode configuration for the HDFS cluster is missing on this node. | ||||
| Cause: The /usr/lpp/mmfs/hadoop/sbin/mmhdfs config get core-site.xml -k dfs.nameservices command did not report a valid HDFS cluster name. | ||||
User Action: Ensure that the configuration is uploaded by using the
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| hdfs_datanode_process_down | STATE_CHANGE | ERROR | no | Message: HDFS DataNode process for hdfs cluster {0} is down. |
| Description: The HDFS DataNode process is down. | ||||
| Cause: The /usr/lpp/mmfs/hadoop/bin/hdfs --daemon status datanode command reported that the process is dead. | ||||
| User Action: Start the Hadoop DataNode process again by using the /usr/lpp/mmfs/hadoop/bin/hdfs --daemon start datanode command. | ||||
| hdfs_datanode_process_unknown | STATE_CHANGE | WARNING | no | Message: HDFS DataNode process for hdfs cluster {0} is unknown. |
| Description: The HDFS DataNode process is unknown. | ||||
| Cause: The /usr/lpp/mmfs/hadoop/bin/hdfs --daemon status datanode command reported unexpected results. | ||||
| User Action: Check the HDFS DataNode service. If needed, then restart it by using the /usr/lpp/mmfs/hadoop/bin/hdfs --daemon start datanode command. | ||||
| hdfs_datanode_process_up | STATE_CHANGE | INFO | no | Message: HDFS DataNode process for hdfs cluster {0} is OK. |
| Description: The HDFS DataNode process is running. | ||||
| Cause: N/A | ||||
| User Action: N/A |