petersomogyi commented on a change in pull request #239: HBASE-22409 update 
branch-1 ref guide for Hadoop, Java, and HBase version support
URL: https://github.com/apache/hbase/pull/239#discussion_r288290200
 
 

 ##########
 File path: src/main/asciidoc/_chapters/ops_mgt.adoc
 ##########
 @@ -81,20 +83,27 @@ To see the usage, use the `--help` parameter.
 ----
 $ ${HBASE_HOME}/bin/hbase canary -help
 
-Usage: bin/hbase org.apache.hadoop.hbase.tool.Canary [opts] [table1 
[table2]...] | [regionserver1 [regionserver2]..]
+Usage: hbase org.apache.hadoop.hbase.tool.Canary [opts] [table1 [table2]...] | 
[regionserver1 [regionserver2]..]
  where [opts] are:
    -help          Show this help and exit.
    -regionserver  replace the table argument to regionserver,
       which means to enable regionserver mode
+   -allRegions    Tries all regions on a regionserver,
+      only works in regionserver mode.
+   -zookeeper    Tries to grab zookeeper.znode.parent
+      on each zookeeper instance
    -daemon        Continuous check at defined intervals.
 
 Review comment:
   The rest of the help output looked correct for branch-1 canary, only 
`-permittedZookeeperFailures` was missing. Master branch has a slightly 
different help message but the master reference guide is up to date with it.

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