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  Enterprise Hadoop cluster architecture - NFS installation
     
  Add Date : 2018-11-21      
         
         
         
  Enterprise Hadoop cluster architecture - NFS installation

Server Address: 192.168.1.230

NFS software installation

Check whether the installation is complete nfs

rpm -qa | grep nfs

Check rpcbind and nfs services

systemctl list-unit-files | grep "nfs"

systemctl list-unit-files | grep "rpcbind"

systemctl enable nfs-server.service

systemctl enable rpcbind.service

systemctl list-unit-files | grep -E "rpcbind.service | nfs-server.service"

Check the NFS, RPC status

service rpcbind status

service rpcbind status

Run establish an account:

groupadd grid

useradd -m -s / bin / bash -g grid grid

passwd grid



Modify / ecc / expots

Add to:

/ Home / grid * (rw, sync, no_root_squash)

Restart rpcbind, nfs

systemctl restart rpcbind

systemctl restart nfs

verification:

showmount -e 192.168.1.230

Mount the shared directory on the node

NSF mount Errror "wrong fs type, bad option

Solution:

yum -y install nfs-utils

mount -t nfs 192.168.1.230:/home/grid / nfs_share /

See mount

mount

Set the boot automatically mount

vi / etc / fstab

Add the following line:

192.168.1.230:/home/grid / nfs_share nfs defaults 0 0

Each node in the NFS server configuration SSH

The key of each node is added to the NFS server

ssh h1.hadoop.com cat ~ / .ssh / id_rsa.pub >> ~ / .ssh / authorized_keys

ssh h2.hadoop.com cat ~ / .ssh / id_rsa.pub >> ~ / .ssh / authorized_keys

ssh h3.hadoop.com cat ~ / .ssh / id_rsa.pub >> ~ / .ssh / authorized_keys

id_rsa.pub

Create a shared directory file authorized_keys soft connection at each node

Installed on each node

yum -y install nfs-utils

mkdir / nfs_share

mount -t nfs 192.168.1.230:/home/grid / nfs_share /

ln -s /nfs_share/.ssh/authorized_keys ~ / .ssh / authorized_keys
     
         
         
         
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