Переглянути джерело
HADOOP-2873. Fixed bad disk format introduced by HADOOP-2345.
Disk layout version changed from -12 to -13. See changelist 630992
(dhruba)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@630995 13f79535-47bb-0310-9956-ffa450edef68