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The "FAQ" page has been changed by SomeOtherAccount. http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=78&rev2=79 -------------------------------------------------- The NameNode does not have any available DataNodes. This can be caused by a wide variety of reasons. Check the DataNode logs, the NameNode logs, network connectivity, ... + == If the NameNode loses its only copy of the fsimage file, can the file system be recovered from the DataNodes? == + + No. This is why it is very important to configure dfs.name.dir to write to two filesystems on different physical hosts, use the secondary NameNode, etc. + = Platform Specific = == Windows ==
