DCA documentation is tied to a specific version of the DCA software. To identify the version of the software running on a particular DCA, perform this procedure: 

1. Log in to the Primary Master server as the user root. 

2. View the contents of the /opt/dca/etc/dca-build-info.txt file. 

For example:

# cat opt/dca/etc/dca-build-info.txt

In the output see the ISO_Version information.

## =============================================

ISO_BUILD_DATE="Wed Oct 15 21:59:56 PST 2013"

ISO_VERSION="2.0.2.0"

ISO_BUILD_VERSION="4"

ISO_INSTALL_TYPE="iso"

## =============================================