I'm running into this issue with Virtual Full backups. I think I know what
the issue is but am not 100% positive and want to bounce this idea...
I have a Full backup, then some number of Incrementals. Every week I run a
Virtual full, rolling in all but the most recent 10 Incremental backups.
My Virtual Fulls are failing with "No files found to read/Found 0 files to
consolidate into Virtual Full"
29-Jul 02:36 bacula-dir JobId 5622: Start Virtual Backup JobId 5622,
Job=Taco-Data-A.2025-07-25_21.15.00_33
29-Jul 02:36 bacula-dir JobId 5622: Consolidating
JobIds=5400,4698,4728,4758,4788,4818
29-Jul 02:36 bacula-dir JobId 5622: No files found to read. No bootstrap
file written.
29-Jul 02:36 bacula-dir JobId 5622: Found 0 files to consolidate into Virtual
Full.
29-Jul 02:36 bacula-dir JobId 5622: Fatal error: Could not get or create
the FileSet record.
What I think is happening is that my disk volume is not being updated (no
changes to files, no new files, no files deleted), and when an incremental
backup runs it stores nothing on the backup "tape".
05-Jul 20:19 bacula-dir JobId 4728: Start Backup JobId 4728,
Job=Taco-Data-A.2025-06-30_19.10.00_42
05-Jul 20:19 bacula-dir JobId 4728: Connected to Storage "FileChanger" at
si-scott.miserver.it.umich.edu:9103 with TLS
05-Jul 20:19 bacula-dir JobId 4728: Using Device "FileChanger-Dev10" to
write.
05-Jul 20:19 bacula-dir JobId 4728: Connected to Client "taco" at
taco.si.umich.edu:9102 with TLS
05-Jul 20:19 taco JobId 4728: Connected to Storage at
si-scott.miserver.it.umich.edu:9103 with TLS
05-Jul 20:19 bacula-dir JobId 4728: Sending Accurate information to the FD.
05-Jul 20:23 bacula-sd JobId 4728: Elapsed time=00:01:42, Transfer rate=0
Bytes/second
05-Jul 20:23 bacula-sd JobId 4728: Sending spooled attrs to the Director.
Despooling 0 bytes ...
05-Jul 20:23 bacula-dir JobId 4728: Bacula bacula-dir 15.0.3 (25Mar25):
Build OS: x86_64-pc-linux-gnu ubuntu 24.04
JobId: 4728
Job: Taco-Data-A.2025-06-30_19.10.00_42
Backup Level: Incremental, since=2025-06-25 09:16:04
Client: "taco" 15.0.3 (25Mar25)
x86_64-pc-linux-gnu,ubuntu,22.04
FileSet: "Taco-Data-A" 2025-05-02 15:31:06
Pool: "Taco-Incr" (From Job IncPool override)
Catalog: "MyCatalog" (From Client resource)
Storage: "FileChanger" (From Pool resource)
Scheduled time: 30-Jun-2025 19:10:00
Start time: 05-Jul-2025 20:19:45
End time: 05-Jul-2025 20:23:12
Elapsed time: 3 mins 27 secs
Priority: 10
FD Files Written: 0
SD Files Written: 0
FD Bytes Written: 0 (0 B)
SD Bytes Written: 0 (0 B)
Rate: 0.0 KB/s
Software Compression: None
Comm Line Compression: None
Snapshot/VSS: no
Encryption: no
Accurate: yes
Volume name(s):
Volume Session Id: 619
Volume Session Time: 1749606283
Last Volume Bytes: 2,295 (2.295 KB)
Non-fatal FD errors: 0
SD Errors: 0
FD termination status: OK
SD termination status: OK
Termination: Backup OK
So, when it comes time to consolidate it grabs each incremental and finds
there's nothing, and the Virtual Full fails. I can find these "tapes" in
my Jobs table, but no joining entries in Media, or JobMedia.
If I scan through the "tape" on the filesystem, I find backups on the tape,
only for jobs which actually wrote files.
The end result is that I have a Full backup, which is getting increasingly
older, VirtualFulls which fail, so no new Full backup, and once I hit a
point where the Full backup hits its prune-date it gets pruned from the
file table. After that, the database knows there was a successful Full,
and incrementals still run, but now every file the incremental comes across
is "brand new" and my incremental backup is basically a Full backup.
--
- Adaptability -- Analytical --- Ideation ---- Input ----- Belief -
-------------------------------------------------------------------
John M. Lockard | U of Michigan - School of Information
Unix Sys Admin | Suite 205 | 309 Maynard Street
jlock...@umich.edu | Ann Arbor, MI 48104-2211
www.umich.edu/~jlockard <http://www.umich.edu/%7Ejlockard> |
734-615-8776 | 734-763-9677 FAX
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