Hi all,

At the data centre we are using IBM-LTO tape - 3.0TB compressed, 1.5T uncompressed. Last 2 nights a backup was running and it stopped at about 150GB size and bacula marked the tape as full.

Since the total amount of backed up data sometimes could be huge, I have purged the volume straight away before the tape was inserted. There is a total of 10 jobs, and the first job holds the biggest data, somewhere around 500GB to 2TB at a time. Backup failed at the first job, at 150GB size.

| 3,053 | db01Job          | 2017-01-08 01:00:03 | B    | F     |   43,942 |   150,874,925,633 | f  

Excerpt from the logs:

07-Jan 05:00 phisbackupdns1-dir JobId 3052: shell command: run AfterJob "/usr/lib64/bacula/delete_catalog_backup"
08-Jan 01:00 phisbackupdns1-dir JobId 3053: Start Backup JobId 3053, Job=phisdb01Job.2017-01-08_01.00.00_52
08-Jan 01:00 phisbackupdns1-dir JobId 3053: Using Device "Drive0"
08-Jan 01:00 phisbackupdns1-sd JobId 3053: Volume "A00053L5" previously written, moving to end of data.
08-Jan 01:01 phisbackupdns1-sd JobId 3053: Warning: For Volume "A00053L5":
The number of files mismatch! Volume=1955 Catalog=0
Correcting Catalog
08-Jan 01:31 phisbackupdns1-sd JobId 3053: End of Volume "A00053L5" at 2106:1 on device "Drive0" (/dev/nst1). Write of 64512
bytes got -1.
08-Jan 01:31 phisbackupdns1-sd JobId 3053: Re-read of last block succeeded.
08-Jan 01:31 phisbackupdns1-sd JobId 3053: End of medium on Volume "A00053L5" Bytes=150,990,400,512 Blocks=2,340,501 at 08-Ja
n-2017 01:31.
08-Jan 01:31 phisbackupdns1-sd JobId 3053: 3307 Issuing autochanger "unload slot 2, drive 0" command.
08-Jan 01:33 phisbackupdns1-sd JobId 3053: No slot defined in catalog (slot=0) for Volume "A00032L5" on "Drive0" (/dev/nst1).
08-Jan 01:33 phisbackupdns1-sd JobId 3053: Cartridge change or "update slots" may be required.
08-Jan 01:33 phisbackupdns1-sd JobId 3053: Warning: mount.c:217 Open device "Drive0" (/dev/nst1) Volume "A00032L5" failed: ER
R=dev.c:513 Unable to open device "Drive0" (/dev/nst1): ERR=No medium found

Hardware compression is enabled:
# tapeinfo -f /dev/nst1
Product Type: Tape Drive
Vendor ID: 'IBM     '
Product ID: 'ULT3580-TD5     '
Revision: 'G360'
Attached Changer API: No
SerialNumber: '10WT008032'
MinBlock: 1
MaxBlock: 8388608
SCSI ID: 1
SCSI LUN: 0
Ready: yes
BufferedMode: yes
Medium Type: 0x58
Density Code: 0x58
BlockSize: 0
DataCompEnabled: yes
DataCompCapable: yes
DataDeCompEnabled: yes
CompType: 0x1
DeCompType: 0x1
BOP: yes
Block Position: 0
Partition 0 Remaining Kbytes: -1
Partition 0 Size in Kbytes: -1
ActivePartition: 0
EarlyWarningSize: 0
NumPartitions: 0
MaxPartitions: 1

Pool configuration for the volume:
Pool {
  Name = ADHOC
  Label Format = "ADHOC_Vol"
  Pool Type = Backup
  Recycle = yes                       
  AutoPrune = yes                     
  Storage = ibmts3310
  Volume Retention = 12h
  Recycle Current Volume = Yes
}

Side note: I just realized that I missed the "Volume Use Duration = 10h" directive in the pool. Reason being is the same tape would be in the drive for 2 nights (Saturday and Sunday), since there is no operator around to change a tape. The tape supposed to be recycled on Sunday night.

Appreciate if anyone can enlighten me as to why the tape is full way earlier compared to the size that it is able to contain.

Thanks.

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