[HDFS-12826] Document Saying the RPC port, But it's required IPC port in HDFS Federation Document.

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-beta1
• Fix Version/s: 3.3.0
• Component/s: balancer & mover, documentation
• Hadoop Flags: Reviewed
• Assignee: usharani
• Reporter: Harshakiran Reddy
• Created: 16/Nov/17 13:44
• Updated: 03/Aug/19 06:50
• Resolved: 03/Aug/19 06:42

Description

In Adding a new Namenode to an existing HDFS cluster , refreshNamenodes command required IPC port but in Documentation it's saying the RPC port.

http://hadoop.apache.org/docs/r3.0.0-beta1/hadoop-project-dist/hadoop-hdfs/Federation.html#Balancer

 
bin>:~/hdfsdata/HA/install/hadoop/datanode/bin> ./hdfs dfsadmin -refreshNamenodes host-name:65110
refreshNamenodes: Unknown protocol: org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol
bin.:~/hdfsdata/HA/install/hadoop/datanode/bin> ./hdfs dfsadmin -refreshNamenodes
Usage: hdfs dfsadmin [-refreshNamenodes datanode-host:ipc_port]
bin>:~/hdfsdata/HA/install/hadoop/datanode/bin> ./hdfs dfsadmin -refreshNamenodes host-name:50077
bin>:~/hdfsdata/HA/install/hadoop/datanode/bin>