Umesh Agashe created HBASE-18491:
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Summary: [AMv2] Fail UnassignProcedure if source Region Server is
not online.
Key: HBASE-18491
URL: https://issues.apache.org/jira/browse/HBASE-18491
Project: HBase
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: Umesh Agashe
Assignee: Umesh Agashe
Fix For: 2.0.0
Currently UnassignProcedure returns success when server carrying a region is
NOT online. Assumption here is that ServerCrashProcedure will handle splitting
logs etc for these regions. When UnassignProcedure completes,
MoveRegionProcedure resumes with AssignProcedure. AssignProcedure can some
times assign regions without pre-requisite steps (done either by
UnassignProcedure or ServerCrashProcedure). Fix is to fail UnassignProcedure
and parent MoveRegionProcedure if source server is not online.
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