looks start-dfs.sh has a bug. It only takes -upgrade option and ignores clusterId.
Consider running the command (which is what start-dfs.sh calls): bin/hdfs start namenode -upgrade -clusterId <your cluster ID> Please file a bug, if you can, for start-dfs.sh bug which ignores additional parameters. On Tue, Feb 26, 2013 at 4:50 PM, Azuryy Yu <azury...@gmail.com> wrote: > Anybody here? Thanks! > > > On Tue, Feb 26, 2013 at 9:57 AM, Azuryy Yu <azury...@gmail.com> wrote: > >> Hi all, >> I've stay on this question several days. I want upgrade my cluster from >> hadoop-1.0.3 to hadoop-2.0.3-alpha, I've configured QJM successfully. >> >> How to customize clusterID by myself. It generated a random clusterID now. >> >> It doesn't work when I run: >> >> start-dfs.sh -upgrade -clusterId 12345-test >> >> Thanks! >> >> > -- http://hortonworks.com/download/