Diameter Signaling Router Diameter SDS Software Upgrade Guide Dual Hop Upgrade from SDS-8.6.x to SDS-9.0.2 Using Ansible Verifying Upgrade B.5 Verifying Upgrade Perform the following steps to verify whether the upgrade is successful on a particular host. To print the logs whether the upgrade is successful, run the majorUpgrade.sh script. Note:Before starting with the next step run majorUpgrade.sh script on every group. Run the following command on the instance which was upgraded: sudo verifyUpgrade If the upgrade is successful , the above command would not return any output.