Description of problem:

Backup of a RHEL 8 VM using Restic without VolSync fails on properly invoking PVC backup to ODF MCG S3 bucket. Although the logs of the backup are uploaded, at least it fails on uploading the disk contents.

Version-Release number of selected component (if applicable):

OCP 4.12.3
ODF 4.12.2
OADP 1.1.3

How reproducible:

Always

Steps to Reproduce:
1. create a RHEL 8 VM in OCP virtualization
2. create a DPA pointing to MCG S3 bucket and enable Restic
3. backup the VM using backup CR

Actual results:

Backup fails on creating the disk contents 

Expected results:

Backup should be able to create disk contents and upload it successfully - successfully perform the backup

Additional info:

must-gather available at https://drive.google.com/file/d/1DEiQJlHDR82a5cchKHdZN5V2XU1_-RnE/view?usp=sharing