Can you try without sudo -u hdfs?   ... View more

Can you stop the service and delete through CM . Next go to add service and you can see Host monitor option to add to new node. ... View more

Can you try:    TERMINATED BY '\136' ... View more

Can you try using '\' as '\^A' ... View more

As per your df -h output, the sdb2 and sdc2 has size of 8GB each not 16G:   /dev/sdb2 8.1G 147M 7.9G 2% /disks/disk1/nonhdfsstorage /dev/sdc2 8.1G 147M 7.9G 2% /disks/disk2/nonhdfsstorage     ... View more