Description
Steps :
hdfs dfsadmin -rollingUpgrade prepare
Check the Namenode UI..
Coming like below:
Rolling upgrade started at Tue Jul 08 2014 18:34:35 GMT+0530 (Sri Lanka Standard Time).
Rollback image has not been created.
Steps :
hdfs dfsadmin -rollingUpgrade prepare
Check the Namenode UI..
Coming like below:
Rolling upgrade started at Tue Jul 08 2014 18:34:35 GMT+0530 (Sri Lanka Standard Time).
Rollback image has not been created.