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From "Gary Helmling (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-4680) FSUtils.isInSafeMode() checks should operate on HBase root dir, where we have permissions
Date Fri, 28 Oct 2011 16:27:32 GMT

     [ https://issues.apache.org/jira/browse/HBASE-4680?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gary Helmling updated HBASE-4680:
---------------------------------

      Resolution: Fixed
        Assignee: Gary Helmling
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Patch committed to 0.92 branch and trunk.
                
> FSUtils.isInSafeMode() checks should operate on HBase root dir, where we have permissions
> -----------------------------------------------------------------------------------------
>
>                 Key: HBASE-4680
>                 URL: https://issues.apache.org/jira/browse/HBASE-4680
>             Project: HBase
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.92.0, 0.94.0
>            Reporter: Gary Helmling
>            Assignee: Gary Helmling
>            Priority: Critical
>             Fix For: 0.92.0
>
>         Attachments: HBASE-4680.patch
>
>
> The HDFS safe mode check workaround introduced by HBASE-4510 performs a {{FileSystem.setPermission()}}
operation on the root directory ("/") when attempting to trigger a {{SafeModeException}}.
 As a result, it requires superuser privileges when running with DFS permission checking enabled.
 Changing the operations to act on the HBase root directory should be safe, since the master
process must have write access to it.

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