Hi,all

I have a namenode and a backupnode ( two seperate host), and Datanodes using 
VIP to communicate with namenode.
When namenode failed , backupnode will get the vip.
But how to make BackupNode become actvie namenode and take over when namenode 
down? 

Must stop backupnode and then start backupnode as namenode?

Thanks.

2011-06-10 



MattDeans 

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