Setting Up Inter-System Communication - Symantec Veritas Cluster Server Installation Manual

44 Preparing to install VCS
Performing preinstallation tasks

Setting up inter-system communication

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If a file named etc/sysconfig/network/ifcfg-eth-id-00:02:B3:DB:38:FE does
not exist, do the following task:
Create the file.
If the file /etc/sysconfig/network/ifcfg-eth0 exists, then copy the contents
of this file into etc/sysconfig/network/ifcfg-eth-id-00:02:B3:DB:38:FE.
Add the following to the end of the file named
etc/sysconfig/network/ifcfg-eth-id-00:02:B3:DB:38:FE,
PERSISTENT_NAME=eth0
Perform the procedure for all the interfaces that the
displays.
To configure interfaces to be up before starting LLT
1 For each network interface that you want LLT to use, find its MAC address
by running the
ifconfig
# ifconfig eth0
eth0 Link encap:Ethernet
Where is the sample network interface name. The output displays
eth0
00:0C:0D:08:C4:32 as the interface s MAC address.
2 Navigate to the config file in the /etc/sysconfig/network directory:
# cd /etc/sysconfig/network
3
Open the config file in an editor.
4
Append the string eth-id-macaddress to the MANDATORY_DEVICES list in
the config file. Separate each address with a space, for example:
MANDATORY_DEVICES="eth-id-00:0C:0D:08:C4:31
eth-id-00:0C:0D:08:C4:32"
When you install VCS using the installvcs program, to install and configure the
entire cluster at one time, make sure that communication between systems exists.
By default the installer uses ssh. You must grant root privileges for the system
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command:
HWaddr 00:0C:0D:08:C4:32
command
ifconfig -a