Description
The upgrade path from 1.6+ to 1.8 does not update the version across all volumes in a multi-hdfs-volume cluster. Only one of them gets updated and subsequently all of the tservers will complain and ultimately fail.
The upgrade path from 1.6+ to 1.8 does not update the version across all volumes in a multi-hdfs-volume cluster. Only one of them gets updated and subsequently all of the tservers will complain and ultimately fail.