Ensure recycle bin is NOT enabled for the container.
Restart the QoreStor Service, as there could be some active connections to container:
qsadmin@qorestor>service ocards restart
or
qsadmin@qorestor>systemctl restart ocards
Then, delete the Container from the CLI:
qsadmin@qorestor> container --delete --delete_files --name Backup_Data_veeam
WARNING: All the data in the container skiclubofvictoria-DR4300 will be deleted!
Do you want to continue? (yes/no) [n]? y
Please enter the qsadmin password:
Container "<container_name>" marked for deletion. Please run "maintenance --filesystem --reclaim_space" to recover the storage space.
