I verified the space by logging onto the the server and issuing the following command:   ubuntu@ip-172-31-29-49:~$ df -h Filesystem      Size  Used Avail Use% Mounted on /dev/xvda1       99G  8.3G   86G   9% / none            4.0K     0  4.0K   0% /sys/fs/cgroup udev            7.9G   12K  7.9G   1% /dev tmpfs           1.6G  496K  1.6G   1% /run none            5.0M     0  5.0M   0% /run/lock none            7.9G     0  7.9G   0% /run/shm none            100M     0  100M   0% /run/user cm_processes    7.9G   14M  7.9G   1% /run/cloudera-scm-agent/process   As you can see there is plenty of space available.   What do you suggest as a next step? ... View more

I have the same issue with a brand new Cloudera Manager install on an AWS EC2 4 instance m4.xlarge cluster with 100GiB magnetic disk each. Cloudera Manager Hosts view shows all 4 instances with a Disk Usage at 10.3-12.1 GiB / 115.6 GiB and "green" status.   The cluster is unuseable with HDFS in the resulting RED status.   What was the final resoltion on this? ... View more