Our cluster is running on hdp 2.3.4.0 and one of the host is showing disk (/dev/sda1) usage 99% (see the attachment) where as there is enough disk space available in /dev/sdb1. By default ambari selected (I don't know how) /dev/sda1 during hadoop cluster setup. Can I somehow change the disk from /dev/sda1 to /dev/sdb1 without disturbing/loosing any data from the cluster? If not what is the best alternative. Please suggests. ... View more