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PowerScale OneFS HDFS Configuration Guide

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Create a virtual HDFS rack (CLI)

Create a virtual HDFS rack of nodes on your PowerScale cluster using the command-line interface.

Run the isi hdfs racks create command.
A rack name begins with a forward slash—for example, /hdfs-rack2.
The following command creates a rack named /hdfs-rack2 in the zone5 access zone: 
isi hdfs racks create /hdfs-rack2 --zone=zone5
The following command creates a rack named /hdfs-rack2 in the zone5 access zone, specifies 120.135.26.10-120.135.26.20 as the IP address range of Hadoop compute clients associated with the rack, and specifies subnet0:pool0 as the IP address pool of OneFS nodes assigned to the rack: 
isi hdfs racks create /hdfs-rack2 --zone=zone5 --client-ip-ranges=120.135.26.10-120.135.26.20 --ip-pools=subnet0:pool0

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