Problem solved. I missed the instance.volumes property in accumulo-site.xml.
Thank you Adam ! 2016-05-23 20:50 GMT+02:00 Adam Fuchs <[email protected]>: > Cyrille, > > I think you're going to have to do a few things to get the nodes to act as > a cluster: > > 1. How would you like your Zookeeper cluster to be set up? If you're > planning on using a one-node Zookeeper instance on the master node, then > you may need to turn zookeeper off on your second node and set the > instance.zookeeper.host property in your accumulo-site.xml file. There are > other ways to get multiple zookeeper nodes to participate in a quorum that > are specified in the zookeeper documentation. > > 2. I'm guessing that your HDFS is also set up to have two distinct > filesystems on the two nodes. Accumulo requires the same filesystem > perspective on each node, so you'll need to create an HDFS instance that > spans the cluster following the distributed configuration guide in the > Hadoop documentation, then tell Accumulo to use that HDFS instance via the > instance.volumes property in accumulo-site.xml. > > 3. You generally don't need to run bin/accumulo init to add a node, only > to create a new cluster. However, you may have a tough time migrating > existing from your single node HDFS setup to a clustered setup. Migrating > data is possible, but if initializing again for the cluster is OK then that > will be an easier option. > > Cheers, > Adam > > > On Mon, May 23, 2016 at 7:33 AM, Cyrille Savelief <[email protected]> > wrote: > >> Hi, >> >> I have a single node Accumulo installation on Google Compute Engine >> working perfectly fine. I am now trying to add a second node but I am not >> able to make it work in cooperation with the first node. What I did : >> >> *On the first node* >> - stopped accumulo : ./bin/stop-here.sh >> - replaced localhost by the DNS of the current node in /conf/masters >> - replaced localhost by the DNS of the current node in /conf/slaves >> - added the DNS of the new node to /conf/slaves >> - started accumulo again : ./bin/start-here.sh >> >> *Result* >> - Everything is working fine : the monitor shows up and I am able to >> ingest data. >> >> *On the second node* >> - Hadoop, ZooKeeper and Accumulo have been installed >> - Files from the first node /conf directory have been copied to the >> second node /conf directory >> - ./bin/accumulo init has been executed >> - accumulo has been started via ./bin/start-here.sh without errors >> >> *Result* >> - The monitor shows up for the second node with the indication "MASTER IS >> DOWN". >> - The instance-id are differents on the first and second nodes although >> instance-name are identicals. >> - There are no errors in the log files. >> >> Did I miss something ? >> >> Best, >> >> >> >> >
