[HBASE-24563] Make hbck chore aware of replica region and check/fix replica region consistency

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.3.0
• Component/s: read replicas
• Assignee: Huaxiang Sun
• Reporter: Huaxiang Sun
• Created: 15/Jun/20 16:34
• Updated: 18/Aug/20 16:39
• Resolved: 18/Aug/20 16:39

Description

Hbck1 checks/fix only primary region consistency and ignores replica region. In hbase 2, hbck chore needs to be aware of replica region and check its consistency as well. Hbck2 needs to fix replica region inconsistency.