How to Install veritas cluster (SFHA) on RHEL/CENTOS -Part-1

Creating veritas cluster 5.1 Setup on RHEl-5.6 (storage foundation and High Availability)

VCS installation using we console

Requirement of VCS installation

1. Two node with 6 NIC Card (for ha linuxvcs1, linuxvcs2)

2. 1 storage with  1NIC Card

3. Minimum 3 storage disk  required 

4. Veritas software 6.1 or 5.1 as you required.

Stap1: Setup /etc/hosts file
Both hosts should have entry for the other host as follows

root@vcsnode1 ~]#cat /etc/hosts

#

# Internet host table

#

::1 localhost

127.0.0.1 localhost

10.112.16.136 vcsnode1 loghost

10.112.16.140 vcsnode2

root@vcsnode1~]# cat /etc/hosts

#

# Internet host table

#

::1 localhost

127.0.0.1 localhost

10.112.16.140 vcsnode2 loghost

10.112.16.136 vcsnode1

Configuring passwordless ssh

As a requirement of VCS installation we need to configure a passwordless ssh for root user for

Stap2.  Created both node should be login without password

[root@vcsnode1 ~]# ssh-keygen -t rsa

Login node2

[root@vcsnode2 ~]# ssh-keygen -t rsa

Step 3 : add id_rsa.pub to the file authorized_keys of other host

vcsnode1 # scp -r .ssh/id_rsa.pub vcsnode2:.ssh/authorized_keys 

vcsnode2 # scp -r .ssh/id_rsa.pub vcsnode1:.ssh/authorized_keys

Step-4:- Map iscsi disk  on both node

iscsiadm -m discovery -t sendtargets -p 10.112.16.141

Step-5:- Copy veritas software zip file on vcsnode1/home or /tmp directory using winscp or other tools

 

Step-6:- extract zip file in /home  directory 

# root@vcsnode1 home]# tar -zxvf  VRTS_SF_HA_Solutions_5.1_RHEL.tar.gz

#cd dvd1-redhatlinux/rhel5_x86_64

Here you get two option to installation via Gui mode & cli mode here mi using GUI Mode

#  ./installer            # press enter

Press  I to install a product

you shoose which cluster you want to install

Reboot the both node 

Continuen in Paert-2