Virtual TapeServer 8.4 Supplemental Installation Guide

Enabling and Configuring AutoCopy and Instant DR | 29
The following steps use two sites as an example of enabling Data Replication between two sites,
Server A and Server B, connected by a wide area network (WAN):
To configure network settings
1. Verify that the hostname, IP address, and gateway are configured on each VTS server in the
environment. Refer to the Quick Start Guide for more information.
2. If DNS or DHCP is not configured in your environment and you want the servers to
communicate using hostnames, set up the /etc/hosts file to configure aliases for each VTS
server in the environment. Perform this step on the secondary server for each primary VTS
server.
a. At the command prompt, log in.
b. Become root:
su -
c. Be sure the file contains the IP address, hostname, and alias for the primary VTS server
and the secondary server(s). Here is an example of the file on Server A:
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
10.10.2.144 server_a.domain.com server_a
10.10.2.145 server_b.domain.com server_b
Here is an example of the file on Server B:
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
10.10.2.145 server_b.domain.com server_b
10.10.2.144 server_a.domain.com server_a