NMDA: Oracle Database backup fails "5057-send marker stats failed (NFS: Stale file handle)"

NetWorker Module for Databases and Applications (NMDA) Oracle RMAN backups impacted:

RMAN STACK error:

RMAN-03009: failure of backup command on CH2 channel at 11/03/2015 16:55:37
ORA-27192: skgfcls: sbtclose2 returned error - failed to close file
Backup of ssid '1010359387' failed due to unrecoverable errors. . (0:5:32)
Recovery Manager complete.
The backup process failed: 
RMAN exited with return code '1'.
Exiting with error: 
RMAN exited with return code '1'.
CLIENT_NAME: RMAN exited with return code '1'.

Operational Debug output:

11/05/15 01:15:00 (pid 30212374): 11/05/15 01:15:00.528512 DDP LOG: [1CD0116:11337C6D0] ddp_fsync() failed, Err: 5057-send marker stats failed (nfs: Stale file handle)
11/05/15 01:15:00 (pid 30212374): 11/05/15 01:15:00.528991 fsys_fsync(): Sync'ing a file failed [5057] ([30212374] [1] Thu Nov 5 01:15:00 2015 ddp_fsync() failed, Err: 5057-send marker stats failed (nfs: Stale file handle)
11/05/15 01:15:01 (pid 30212374): 11/05/15 01:15:01.058347 DDP LOG: [1CD0116:11337C6D0] ddp_close_file: ddcl_close failed: send marker stats failed (nfs: Stale file handle)[5057]
11/05/15 01:15:01 (pid 30212374): 11/05/15 01:15:01.059811 DDP LOG: [1CD0116:11337C6D0] ddp_close_file() failed, Err: 5057-send marker stats failed (nfs: Stale file handle)
11/05/15 01:15:05 (pid 30212374): 11/05/15 01:15:05.653968 ssid=725262290, dfsave_done failed (pid = 30212374) (11/05/15 01:15:05) Backup of ssid '725262290' failed due to unrecoverable errors.
SBT-30212374 11/05/15 01:15:05 lnm_nw_sess_close: Backup of ssid '725262290' failed due to unrecoverable errors.
Backup of ssid '725262290' failed due to unrecoverable errors

The Issue is due to large backup window which exceeded the Data Domain's OST_ABANDON_TIMEOUT setting.

Contact Data Domain support regarding tuning the OST_ABANDON_TIMEOUT setting. Changing this parameter requires a file system restart on the Data Domain and SE mode access.