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HDFS - Different Storage Configurations on Servers

Hi,

I currently have a 20 node cluster set up with mount points (/grid01, /grid02,..../grid10) on each of my data nodes. Currently all mounts are available to HDFS. However I would like to reconfigure 3 of the data nodes so that grid points - /grid01, /grid02, /grid03 - are no longer used for HDFS (they will be used for kafka and other non HDFS processes).

How best do I go about reconfiguring the datanodes in Ambari ?

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Re: HDFS - Different Storage Configurations on Servers

Rising Star
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Re: HDFS - Different Storage Configurations on Servers

Rising Star

Re: HDFS - Different Storage Configurations on Servers

Guru

you can update mount points by overriding in a new Ambari Config Group (then restart those nodes, of course, but you'll be notified)

since HDFS will recreate the missing blocks on those 3 disks per node, you shouldn't have any loss