3431172 - Backup not completed, rc=13: Permission denied;

Backup not working:

[9000]\{330638\}[114/-1] 2024-01-09 20:00:03.546744 e Backup           BackupMgr_ExecutorJob.cpp(00104) : Error executing docstore network job ExecuteSaveData@dc-db-01:31040: exception  1: no.2000004  (unknown file:0) TID: 9000
    Cannot open file "'<root>/.2024_01_09_20_00_00_databackup_5_1' ((closed, mode= W, access= rw-r-----, flags= ASYNC|DIRECT|TRUNCATE|UNALIGNED_SIZE, size= -1), factory= (root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,
[182515]\{330638\}[114/-1] 2024-01-09 20:00:03.546773 i TraceContext     TraceContext.cpp(01347) : UserName=SYSTEM, ApplicationUserName=SYSTEM, ApplicationName=SYSTEM.Production Tenant DB_USB_Daily_Backup, ApplicationSource=SYS.BACKUP_DATA, StatementExecutionID=844439647062006
[9000]\{330638\}[114/-1] 2024-01-09 20:00:03.546744 e Backup           BackupMgr_ExecutorJob.cpp(00104) : num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64))", rc=13: Permission denied; $filefactory$=root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_s
[182515]\{330638\}[114/-1] 2024-01-09 20:00:03.546773 e Backup           BackupMgr_ExecutorJob.cpp(00104) : Error executing indexserver network job ExecuteSaveData@dc-db-01:31003: exception  1: no.2000004  (unknown file:0) TID: 182515
    Cannot open file "'<root>/.2024_01_09_20_00_00_databackup_3_1' ((closed, mode= W, access= rw-r-----, flags= ASYNC|DIRECT|TRUNCATE|UNALIGNED_SIZE, size= -1), factory= (root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submi
[9000]\{330638\}[114/-1] 2024-01-09 20:00:03.546744 e Backup           BackupMgr_ExecutorJob.cpp(00104) : ubmit_batch_size=16,max_submit_batch_size=64)
exception throw location:
[182515]\{330638\}[114/-1] 2024-01-09 20:00:03.546773 e Backup           BackupMgr_ExecutorJob.cpp(00104) : t=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64))", rc=13: Permission denied; $filefactory$=root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64)
exception throw location:
[184609]\{330638\}[114/-1] 2024-01-09 20:00:03.546880 i TraceContext     TraceContext.cpp(01347) : UserName=SYSTEM, ApplicationUserName=SYSTEM, ApplicationName=SYSTEM.Production Tenant DB_USB_Daily_Backup, ApplicationSource=SYS.BACKUP_DATA, StatementExecutionID=844439647062006
[184609]\{330638\}[114/-1] 2024-01-09 20:00:03.546880 e Backup           BackupMgr_ExecutorJob.cpp(00104) : Error executing dpserver network job ExecuteSaveData@dc-db-01:31011: exception  1: no.2000004  (unknown file:0) TID: 184609
    Cannot open file "'<root>/.2024_01_09_20_00_00_databackup_4_1' ((closed, mode= W, access= rw-r-----, flags= ASYNC|DIRECT|TRUNCATE|UNALIGNED_SIZE, size= -1), factory= (root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64))", rc=13: Permission denied; $filefactory$=root= '/backup/USB_BACKUP/ABC/tenantdb/' (access= rw-r-----, flags= AUTOCREATE_PATH|DISKFULL_ERROR, usage= DATA_BACKUP, fs= xfs, config= (async_write_submit_active=on,async_write_submit_blocks=all,async_read_submit=on,num_submit_queues=1,num_completion_queues=1,size_kernel_io_queue=512,max_parallel_io_requests=64,min_submit_batch_size=16,max_submit_batch_size=64)

SAP HANA DB Version 2.0

KBA , HAN-DB-BAC , SAP HANA Backup & Recovery , Problem