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  Steps to build MPICH2 development environment on CentOS 6.4
     
  Add Date : 2017-03-23      
         
         
         
  Prerequisites:

A total of five machines are fitted with CentOS6.4 system, host names are node0, node1, node2, node3, node4. node0 as a master node, where the master node refers to node0 as an NFS server side.

MPICH2 installation package: mpich2-1.2.1p1.tar.gz, can be downloaded from the official website MPICH

The following operations are using the root user name

Configuration 5 machine network. For details, see my other article "CentOS static IP network configuration"

2. Create a unified user name and the same password for the cluster of five machines:

useradd cluster
passwd cluster

Modify / etc / sudoers file, add the following line to make cluster has root privileges temporary capacity:

cluster ALL = (ALL) ALL

The following operations are using the cluster user name

 3. Configure SSH, so no password is required between any two machines can directly log on to each other. For details, see my other article "two hosts without a password and log in directly to each other SSH configuration"

4. Configure NFS, node0 as a server-side, four other machine as the client, all the machines are shared directory / home / cluster / mirror, configuration procedure, see my other article "CentOS installation process under the NFS"

5. Install MPICH2 development environment on node0

First make sure the system is installed gcc, g ++, make and compile these tools python

Create MPICH2 installation directory:

mkdir / home / cluster / mirror / mpich2

The mpich2-1.2.1p1.tar.gz upload / home / cluster / mirror, and unzip:

tar -zxv -f mpich2-1.2.1p1.tar.gz

Run the following command in the / home / cluster / mirror / mpich2-1.2.1p1 directory:

./configure --prefix = / home / cluster / mirror / mpich2
make
make install

Create /home/cluster/mpd.hosts file, as follows:

node0
node1
node2
node3
node4

6. Configure environment variables on five machines

In /home/cluster/.bashrc document added:

export PATH = $ PATH: / home / cluster / mirror / mpich2 / bin
export LD_LIBRARY_PATH = $ LD_LIBRARY_PATH: / home / cluster / mirror / mpich2 / lib

Make configuration files take effect:

source /home/cluster/.bashrc

MPICH2 test whether the installation was successful:

which mpd
which mpiexec

Create /home/cluster/.mpd.conf file, as follows ( "" the contents of an arbitrary string, but all machines to be the same):

secretword = "lab311"

.mpd.conf Modify file permissions so that only the user cluster have read and write permissions to the file:

chmod 600 /home/cluster/.mpd.conf

Test each machine can start mpd Manager, under normal circumstances, the results of the present mpdtrace the host name of the machine, pay attention to after the test must use mpdallexit closed mpd command, otherwise there will be a connection failure error when you start behind the cluster:

mpd &
mpdtrace
mpdallexit

7. node0 test the entire cluster

Before starting the cluster you will need to turn off the firewall for all machines:

sudo service iptables stop
sudo chkconfig iptables off

Start Cluster (parameter -n 5 start showing five machines):

mpdboot -n 5 -f /home/cluster/mpd.hosts

Check the machine has been launched:

mpdtrace

Under normal circumstances will appear the following results:

node0
node1
node2
node3
node4

Shut down the cluster:

mpdallexit
     
         
         
         
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