R1soft CDP backup is widely used to take full server backup and it is capable to perform bare metal restore.
You may encounter the following after upgrading your Kernel:
An exception occurred during the request. The replication driver was not detected (detail: An error occurred while loading the hcpdriver module, please check your system logs; Please run “r1soft-setup –get-module ” on your Agent to install one. ).

Even if you run the following command, it does not fix the issue:
r1soft-setup --get-module
You can try following steps that may help you to resolve this issue. You will need to perform the following steps on which R1soft CDP agent is installed:
Run the following following command to check if hcpdriver is loaded or not:
lsmod | grep hcp
If it returns no value, then the hcpdriver is not loaded on your client machine. After that you need perform below steps.
[1] Verify Kernel version
uname -r
[2] Verify Kernel-devel & Kernel-headers packages. It should match with installed Kernel version:
rpm -qa | grep kernel
[3] If they are not installed, you will have to installed matching version.
[4] Now, run the following command:
r1soft-setup --get-module
r1soft-setup --get-module --no-binary
[5] Restart CDP agent:
/etc/init.d/cdp-agent restart
[6] Execute following command to check if hcpdriver is loaded or not:
lsmod | grep hcpdriver
It should return some value. Now, you should be able to backup your data using R1Soft.