Access the panel via panel.rapid.space. The Services page is here for you.
Scroll down to change the parameter(s) of your software.
Locate the parameter of Amount of backup(s) to create. Each backup consists of a Pull Backup Server and a clone. The default value is 1. If you want to have an extra backup, you can increase the number to 2.
Then click Save to update the change.
Scroll down to Instance, wait until a new kvm appears. Here, "kvm2" is the extra backup you have added.