Hi, See http://wiki.apache.org/hadoop/FAQ#7 and http://hadoop.apache.org/core/docs/r0.17.2/hdfs_user_guide.html#Secondary+Namenode
Regards, J-D On Sat, Sep 6, 2008 at 5:26 AM, 叶双明 <[EMAIL PROTECTED]> wrote: > Hi all! > > The NameNode is a Single Point of Failure for the HDFS Cluster. There > is support for NameNodeFailover, with a SecondaryNameNode hosted on a > separate machine being able to stand in for the original NameNode if > it goes down. > > Is it right? is SecondaryNameNode in support for the NameNode? > > Sorry for my englist!! > 明 >
