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From "David B. Ritch" <david.ri...@gmail.com>
Subject Re: How to exclude machines from a cluster
Date Thu, 13 Nov 2008 12:44:07 GMT
You should be able to do this using the decommission feature:
http://wiki.apache.org/hadoop/FAQ#17.

David

Zhou, Yunqing wrote:
> Here is a cluster with 13 machines. And due to the lack of storage
> space, we set the replication factor to 1.
> but recently we found 2 machines in the cluster are not stable. so I'd
> like to exclude them from the cluster.
> but I can't simply set the replication factor to 1 and remove them due
> to the large amount of data.
> so is there a way I can force hadoop to move the block stored on them
> to other machines?
>
> Thanks.
>
>   


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