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HDFS-10807. Doc about upgrading to a version of HDFS with snapshots may be confusing. (Contributed by Mingliang Liu) 

(cherry picked from commit 6742fb6e68)
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Mingliang Liu 2016-08-29 10:15:34 -07:00
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hadoop-hdfs-project/hadoop-hdfs/src/site/markdown/HdfsSnapshots.md
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@ -113,7 +113,7 @@ Upgrading to a version of HDFS with snapshots
The HDFS snapshot feature introduces a new reserved path name used to The HDFS snapshot feature introduces a new reserved path name used to
interact with snapshots: `.snapshot`. When upgrading from an interact with snapshots: `.snapshot`. When upgrading from an
older version of HDFS, existing paths named `.snapshot` need older version of HDFS which does not support snapshots, existing paths named `.snapshot` need
to first be renamed or deleted to avoid conflicting with the reserved path. to first be renamed or deleted to avoid conflicting with the reserved path.
See the upgrade section in See the upgrade section in
[the HDFS user guide](HdfsUserGuide.html#Upgrade_and_Rollback) [the HDFS user guide](HdfsUserGuide.html#Upgrade_and_Rollback)