[HDFS-11628] Clarify the behavior of HDFS Mover in documentation

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.9.0, 2.7.4, 3.0.0-alpha4, 2.8.2
• Component/s: documentation
• Labels: docs
• Hadoop Flags: Reviewed
• Assignee: Xiaobing Zhou
• Reporter: Xiaobing Zhou
• Created: 05/Apr/17 17:51
• Updated: 07/Jun/17 22:59
• Resolved: 05/Apr/17 22:35

Description

It's helpful to state that Mover always tries to move block replicas within the same node whenever possible. If that is not possible (e.g. when a node doesn’t have the target storage type) then it will copy the block replica to another node over the network.