Hi Gurus,
Ýn the bptm logs, there are lots of the following messages. I do not
understand what does it mean.
In fact, I would like to restore the NDMP backup. I have noticed the
following messages in the bptm log.

19:35:24.712 [4756.5732] <2> bptm: instance - 513945031
19:35:24.712 [4756.5732] <2> bptm: INITIATING (VERBOSE = 5): -U 
19:35:24.712 [4756.5732] <2> db_byid: search for media id 020071
19:35:24.712 [4756.5732] <2> db_byid: 020071 found at offset 8
19:35:24.728 [4756.5732] <2> db_lock_media: unable to lock media at
offset 8 (020071)
19:35:24.728 [4756.5732] <2> bptm: EXITING with status 0 <----------
19:35:56.351 [5616.5784] <2> clear_socket_timeout: Setting socket
timeout to 0. Old timeout was 300000 ms
19:35:56.351 [5616.5784] <2> bptm: instance - 513976671
19:35:56.351 [5616.5784] <2> bptm: INITIATING (VERBOSE = 5): -U 
19:35:56.351 [5616.5784] <2> db_byid: search for media id 020071
19:35:56.351 [5616.5784] <2> db_byid: 020071 found at offset 8
19:35:56.367 [5616.5784] <2> db_lock_media: unable to lock media at
offset 8 (020071)
19:35:56.367 [5616.5784] <2> bptm: EXITING with status 0 <----------
19:36:28.021 [5616.4420] <2> clear_socket_timeout: Setting socket
timeout to 0. Old timeout was 300000 ms
19:36:28.021 [5616.4420] <2> bptm: instance - 514008343
19:36:28.021 [5616.4420] <2> bptm: INITIATING (VERBOSE = 5): -U 
19:36:28.036 [5616.4420] <2> db_byid: search for media id 020071
19:36:28.036 [5616.4420] <2> db_byid: 020071 found at offset 8
19:36:28.052 [5616.4420] <2> db_lock_media: unable to lock media at
offset 8 (020071)
19:36:28.052 [5616.4420] <2> bptm: EXITING with status 0 <----------
19:36:59.191 [5744.5340] <2> clear_socket_timeout: Setting socket
timeout to 0. Old timeout was 300000 ms
19:36:59.191 [5744.5340] <2> bptm: instance - 514039515
19:36:59.191 [5744.5340] <2> bptm: INITIATING (VERBOSE = 5): -U 
19:36:59.191 [5744.5340] <2> db_byid: search for media id 020071
19:36:59.191 [5744.5340] <2> db_byid: 020071 found at offset 8
19:36:59.206 [5744.5340] <2> db_lock_media: unable to lock media at
offset 8