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From "Vetle Roeim" <vet...@opera.com>
Subject Re: Some queries on Master node
Date Fri, 10 Nov 2006 11:08:17 GMT
On Thu, 02 Nov 2006 06:42:31 +0100, Jagadeesh <jagadeesh@x-minds.org>  

>> I have a cluster of more than 25 servers which basically serves the
> purpose
>> for storage. However I was wondering what will happen if the master node
>> gets exhausted of disk space. If I add more nodes to the cluster,
>> 1. Will Hadoop move the blocks in master node to the newly added nodes?
> No, HDFS will not move blocks to new nodes automatically. New files that
> are added will likely have their blocks placed on the new nodes.

But, just to clarify: if a node is removed, instead of a new one added,  
will blocks be copied to other nodes to preserve minimum replication?

Vetle Roeim
Team Manager, Information Systems
Opera Software ASA <URL: http://www.opera.com/ >

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