[HDFS-12886] Ignore minReplication for block recovery

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.1.0, 2.10.0, 2.9.1, 3.0.3
• Component/s: hdfs, namenode
• Hadoop Flags: Reviewed
• Assignee: Lukas Majercak
• Reporter: Lukas Majercak
• Created: 04/Dec/17 21:10
• Updated: 20/Jul/18 20:46
• Resolved: 16/Mar/18 22:01

Description

Ignore minReplication for blocks that went through recovery, and allow NN to complete them and replicate.

Issue Links

• breaks: HDFS-13303 branch-2 build is broken due to BlockManager for HDFS-12886
• causes: HDFS-13757 After HDFS-12886, close() can throw AssertionError "Negative replicas!"
• relates to: HDFS-10240 Race between close/recoverLease leads to missing block
• relates to: HDFS-12422 Replace DataNode in Pipeline when waiting for Last Packet fails