Thanks Harsh and Varun for your replies.
Finally, to keep is simple I kept the same hostname and ave upgraded the
server instead of moving it under another hostname...
At some point I will most probably have to move it, but for now, it's
enought.
I will keep your advices in mind for when I will
The master does not have any local storage in a fully distributed
setup, so the transfer can also be as easy as starting the new master
on the new host and failing it over (by killing the original one).
The NameNode move part is the one that gets tricky. HBase may store NN
URLs in its ZK transient
Hi Jean,
Steps need to followed during migration of namenode.
1.Make New Server with same hostname.
2.Install hadoop
3.copy the metadata from old server and paste it in new server.
4.Make sure all the datanodes are down.
5.Stop old namenode
6.Start New namenode with old metadata.
7.if it come up
Hi,
I have added one new server in my cluster and I want to move the
master and the namenode into this new server, and install the previous
master as a datanode/RS.
In the existing namenode, I will need to backup the NameNode storage
directories and restore them on the new namenode, and then reco
