> Hi,
>> We will be committing some changes to the Namenode Health page
>> (dfshealth.jsp) as part of the fix in HDFS-758. This will enable us to
>> monitor the progress of decommissioning of datanodes more effectively.
>> Summary of changes :
>> 1. A new link on the page for Decommissioning nodes.
>> 2. This link will point to a new page with details about decommissioning
>> status for each node which include
>> a) Number of under-relplicated blocks in the node.
>> b) Number of blocks with only no live replica (i.e. All its replicas
>> are on decommissioning nodes).
>> c) Number of under-replicated blocks in open files.
>> d) Time since decommissioning started.
>> 3. The main page will also contain total number of under-replicated blocks
>> in the cluster.
>>
>> Thanks
>> jitendra