Here example what's going on.
Job logs:
31-Oct 12:35 baculasrv-dir JobId 10967: Start Backup JobId 10967, Job=StorwizeBSRVData2BJob1.2014-10-31_12.35.06_34
31-Oct 12:35 baculasrv-dir JobId 10967: Recycled volume "346AAJL6"
31-Oct 12:35 baculasrv-dir JobId 10967: Using Device "IBM_TS3200_2_drive1" to write.
31-Oct 12:35 baculasrv-sd JobId 10967: 3307 Issuing autochanger "unload slot 46, drive 1" command.
31-Oct 12:36 baculasrv-sd JobId 10967: 3304 Issuing autochanger "load slot 12, drive 1" command.
31-Oct 12:36 baculasrv-sd JobId 10967: 3305 Autochanger "load slot 12, drive 1", status is OK.
31-Oct 12:36 baculasrv-sd JobId 10967: Recycled volume "346AAJL6" on device "IBM_TS3200_2_drive1" (/dev/nst0), all previous data lost.
31-Oct 12:36 baculasrv-dir JobId 10967: Max Volume jobs=1 exceeded. Marking Volume "346AAJL6" as Used.
31-Oct 23:25 baculasrv-sd JobId 10967: End of Volume "346AAJL6" at 2555:8545 on device "IBM_TS3200_2_drive1" (/dev/nst0). Write of 64512 bytes got -1.
31-Oct 23:25 baculasrv-sd JobId 10967: Re-read of last block succeeded.
31-Oct 23:25 baculasrv-sd JobId 10967: End of medium on Volume "346AAJL6" Bytes=2,555,387,735,040 Blocks=39,611,044 at 31-Oct-2014 23:25.
31-Oct 23:25 baculasrv-sd JobId 10967: 3307 Issuing autochanger "unload slot 12, drive 1" command.
31-Oct 23:28 baculasrv-dir JobId 10967: Recycled volume "349AAJL6"
31-Oct 23:28 baculasrv-sd JobId 10967: 3304 Issuing autochanger "load slot 34, drive 1" command.
31-Oct 23:28 baculasrv-sd JobId 10967: 3305 Autochanger "load slot 34, drive 1", status is OK.
31-Oct 23:28 baculasrv-sd JobId 10967: Recycled volume "349AAJL6" on device "IBM_TS3200_2_drive1" (/dev/nst0), all previous data lost.
31-Oct 23:28 baculasrv-dir JobId 10967: Max Volume jobs=1 exceeded. Marking Volume "349AAJL6" as Used.
31-Oct 23:28 baculasrv-sd JobId 10967: New volume "349AAJL6" mounted on device "IBM_TS3200_2_drive1" (/dev/nst0) at 31-Oct-2014 23:28.
01-Nov 10:25 baculasrv-sd JobId 10967: End of Volume "349AAJL6" at 2541:9287 on device "IBM_TS3200_2_drive1" (/dev/nst0). Write of 64512 bytes got -1.
01-Nov 10:25 baculasrv-sd JobId 10967: Re-read of last block succeeded.
01-Nov 10:25 baculasrv-sd JobId 10967: End of medium on Volume "349AAJL6" Bytes=2,541,436,498,944 Blocks=39,394,786 at 01-Nov-2014 10:25.
01-Nov 10:25 baculasrv-sd JobId 10967: 3307 Issuing autochanger "unload slot 34, drive 1" command.
01-Nov 10:27 baculasrv-dir JobId 10967: Recycled volume "225AAAL6"
01-Nov 10:27 baculasrv-sd JobId 10967: 3304 Issuing autochanger "load slot 3, drive 1" command.
01-Nov 10:28 baculasrv-sd JobId 10967: 3305 Autochanger "load slot 3, drive 1", status is OK.
01-Nov 10:28 baculasrv-sd JobId 10967: Recycled volume "225AAAL6" on device "IBM_TS3200_2_drive1" (/dev/nst0), all previous data lost.
01-Nov 10:28 baculasrv-dir JobId 10967: Max Volume jobs=1 exceeded. Marking Volume "225AAAL6" as Used.
01-Nov 10:28 baculasrv-sd JobId 10967: New volume "225AAAL6" mounted on device "IBM_TS3200_2_drive1" (/dev/nst0) at 01-Nov-2014 10:28.
01-Nov 23:20 baculasrv-sd JobId 10967: End of Volume "225AAAL6" at 2652:7176 on device "IBM_TS3200_2_drive1" (/dev/nst0). Write of 64512 bytes got -1.
01-Nov 23:20 baculasrv-sd JobId 10967: Re-read of last block succeeded.
01-Nov 23:20 baculasrv-sd JobId 10967: End of medium on Volume "225AAAL6" Bytes=2,652,293,210,112 Blocks=41,113,175 at 01-Nov-2014 23:20.
01-Nov 23:20 baculasrv-sd JobId 10967: 3307 Issuing autochanger "unload slot 3, drive 1" command.
01-Nov 23:22 baculasrv-dir JobId 10967: Recycled volume "345AAJL6"
01-Nov 23:22 baculasrv-sd JobId 10967: 3304 Issuing autochanger "load slot 11, drive 1" command.
01-Nov 23:23 baculasrv-sd JobId 10967: 3305 Autochanger "load slot 11, drive 1", status is OK.
01-Nov 23:23 baculasrv-sd JobId 10967: Recycled volume "345AAJL6" on device "IBM_TS3200_2_drive1" (/dev/nst0), all previous data lost.
01-Nov 23:23 baculasrv-dir JobId 10967: Max Volume jobs=1 exceeded. Marking Volume "345AAJL6" as Used.
01-Nov 23:23 baculasrv-sd JobId 10967: New volume "345AAJL6" mounted on device "IBM_TS3200_2_drive1" (/dev/nst0) at 01-Nov-2014 23:23.
02-Nov 10:21 baculasrv-sd JobId 10967: End of Volume "345AAJL6" at 2554:12632 on device "IBM_TS3200_2_drive1" (/dev/nst0). Write of 64512 bytes got -1.
02-Nov 10:22 baculasrv-sd JobId 10967: Re-read of last block succeeded.
02-Nov 10:22 baculasrv-sd JobId 10967: End of medium on Volume "345AAJL6" Bytes=2,554,651,459,584 Blocks=39,599,631 at 02-Nov-2014 10:22.
02-Nov 10:22 baculasrv-sd JobId 10967: 3307 Issuing autochanger "unload slot 11, drive 1" command.
02-Nov 10:24 baculasrv-dir JobId 10967: Recycled volume "163AAJL6"
02-Nov 10:24 baculasrv-sd JobId 10967: 3304 Issuing autochanger "load slot 22, drive 1" command.
02-Nov 10:29 baculasrv-sd JobId 10967: Fatal error: 3992 Bad autochanger "load slot 22, drive 1": ERR=Child died from signal 15: Termination.
Results=Program killed by Bacula (timeout)
02-Nov 10:22 sqcompose-fd JobId 10967: Fatal error: backup.c:1019 Network send error to SD. ERR=аЁаОаЕаДаИаНаЕаНаИаЕ баБбаОбаЕаНаО аДббаГаОаЙ ббаОбаОаНаОаЙ
02-Nov 10:29 baculasrv-sd JobId 10967: Elapsed time=45:43:17, Transfer rate=62.55 M Bytes/second
02-Nov 10:29 baculasrv-dir JobId 10967: Error: Bacula baculasrv-dir 5.2.13 (19Jan13):
Build OS: x86_64-unknown-linux-gnu debian 6.0.8
JobId: 10967
Job: StorwizeBSRVData2BJob1.2014-10-31_12.35.06_34
Backup Level: Full
Client: "storwize-b-srv-fd" 5.0.0 (26Jan10) x86_64-redhat-linux-gnu,redhat,Enterprise release
FileSet: "StorwizeBSRVData2-FS" 2014-05-29 15:24:24
Pool: "BigBackupPool3" (From Job resource)
Catalog: "BackupCatalog" (From Client resource)
Storage: "baculasrv-IBM_TS3200_Autoldr2" (From Job resource)
Scheduled time: 31-Oct-2014 12:34:50
Start time: 31-Oct-2014 12:35:08
End time: 02-Nov-2014 10:29:50
Elapsed time: 1 day 21 hours 54 mins 42 secs
Priority: 10
FD Files Written: 181,053
SD Files Written: 181,053
FD Bytes Written: 10,296,099,095,544 (10.29 TB)
SD Bytes Written: 10,296,128,383,049 (10.29 TB)
Rate: 62294.1 KB/s
Software Compression: None
VSS: no
Encryption: no
Accurate: no
Volume name(s): 346AAJL6|349AAJL6|225AAAL6|345AAJL6
Volume Session Id: 291
Volume Session Time: 1412326895
Last Volume Bytes: 1 (1 B)
Non-fatal FD errors: 0
SD Errors: 1
FD termination status: Error
SD termination status: Error
Termination: *** Backup Error ***
mtx-changeg debug logs:
20141102-10:23:28 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 11
/dev/nst0 1
20141102-10:23:28 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 11
1
20141102-10:24:38 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst0 1
20141102-10:24:38 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 1 -- to
find what is loaded
20141102-10:24:39 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst0 1
20141102-10:24:39 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 1 -- to
find what is loaded
20141102-10:24:39 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22
/dev/nst0 1
20141102-10:24:39 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22 1
20141102-10:40:38 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 2
/dev/nst1 0
20141102-10:40:38 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 2
0
20141102-10:41:50 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst0 1
20141102-10:41:50 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 1 -- to
find what is loaded
20141102-10:41:50 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst1 0
20141102-10:41:50 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 0 -- to
find what is loaded
20141102-10:41:51 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst1 0
20141102-10:41:51 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 0 -- to
find what is loaded
20141102-10:41:51 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
/dev/nst0 1
20141102-10:41:51 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
1
20141102-10:42:43 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22
/dev/nst1 0
20141102-10:42:43 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22 0
20141102-23:34:58 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
/dev/nst1 0
20141102-23:34:58 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
0
20141102-23:36:12 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst1 0
20141102-23:36:12 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 0 -- to
find what is loaded
20141102-23:36:12 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst1 0
20141102-23:36:12 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 0 -- to
find what is loaded
20141102-23:36:12 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 22
/dev/nst0 1
20141102-23:36:12 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 1 -- to
find what is loaded
20141102-23:36:13 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22
/dev/nst1 0
20141102-23:36:13 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 22 0
20141102-23:36:53 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
/dev/nst1 0
20141102-23:36:53 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 unload 22
0
20141102-23:37:38 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 1
/dev/nst1 0
20141102-23:37:38 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 0 -- to
find what is loaded
20141102-23:37:38 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 loaded 1
/dev/nst0 1
20141102-23:37:38 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 1 -- to
find what is loaded
20141102-23:37:39 Parms:
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 1
/dev/nst1 0
20141102-23:37:39 Doing mtx -f
/dev/tape/by-id/scsi-1IBM_3573-TL_00L4U78T6368_LL0 load 1 0
At the time library was performing cleaning.