Scenario
You’ve just upgraded your ESXi hosts from 5.0 to 5.0 U1. They updated fine and there are no issues with the VMs. However, you have noticed that your Veeam backups have started to fail.
Further investigation shows the vCenter Server Appliance (vCSA) service is not running.
Solution
The DB2 log settings are too frugal, so we need to change these settings.
Check out these two posts: