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The "NameNode" page has been changed by GridEngine: http://wiki.apache.org/hadoop/NameNode?action=diff&rev1=7&rev2=8 Comment: minor fix * List more than one name node directory in the configuration, so that multiple copies of the file system meta-data will be stored. As long as the directories are on separate disks, a single disk failure will not corrupt the meta-data. * Configure the NameNode to store one set of transaction logs on a separate disk from the image. * Configure the NameNode to store another set of transaction logs to a network mounted disk. - * Monitor the disk space available to the NameNode. If is getting low, add more storage. + * Monitor the disk space available to the NameNode. If free space is getting low, add more storage. * Do not host DataNode, JobTracker or TaskTracker services on the same system. If a NameNode does not start up, look at the TroubleShooting page.
