To upgrade HBase, you must run the following commands as the hadoop user on both the HBase Master and the RegionServers hosts:
Check for HFiles in V1 format. HBase 0.96.0 discontinues support for HFileV1, but HFileV1 was a common format prior to HBase 0.94. Run the following command to check if there are HFiles in V1 format:
>HBASE_HOME\bin\hbase.cmd upgrade -check
Upgrade HBase.
>HBASE_HOME\bin\hbase.cmd upgrade -execute
You should see a completed Znode upgrade with no errors.
Start services.
