Add write permissions check before any hbck run that modifies hdfs.
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Key: HBASE-5714
URL: https://issues.apache.org/jira/browse/HBASE-5714
Project: HBase
Issue Type: Sub-task
Components: hbck
Affects Versions: 0.90.6, 0.92.2, 0.94.0, 0.96.0
Reporter: Jonathan Hsieh
We encoutered a situation where hbase was run by a different user and was
unable to write/modify/merge regions due to hdfs perms. Unfortunately, this
happened after several minutes of read-only operations. hbck should fail early
by having a write perm check and providing actionable advice to the hbase admin.
Maybe something like: "Current user yy does not have write perms to <hbase
home>. Please run hbck as hdfs user xxx"
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