Internal error. Database page XXXXXXXX had been changed during backup (page
SCN=YYYYYYY, backup SCN=ZZZZZZZZ)
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Key: CORE-6457
URL: http://tracker.firebirdsql.org/browse/CORE-6457
Project: Firebird Core
Issue Type: Bug
Components: NBACKUP
Affects Versions: 3.0.5, 3.0.4
Environment: Firebird-3.0.5.33220-0.amd64/
CentOS Linux release 8.2.2004 (Core)
Linux 4.18.0-193.19.1.el8_2.x86_64 #1 SMP Mon Sep 14 14:37:00 UTC 2020 x86_64
x86_64 x86_64 GNU/Linux
Server Load during the episode: <1.15
Reporter: Lucas Schatz
Hi everybody, just to explain, I`m running nbackup in 20 databases every minute
during work time, for 1 year, and I got just 2 times this error so I`m assuming
it`s a rare event, but I'm worried that this can corrupt the database at some
level....
During nbackup, at level 4 and 5, I got this error:
Internal error. Database page 5160318 had been changed during backup (page
SCN=131336, backup SCN=131334)
and (other database in another day)
Internal error. Database page 8067597 had been changed during backup (page
SCN=67679, backup SCN=67677)
I`ve got not much information about this, because it occurred only twice this
year at an automatic backup system, so no more details, but what I can suspect
is that maybe there where two nbackup process running at the same time
(improbable)
I`d opened a topic at Google FbSupport, but no response there... so maybe here
someone could give more info if I should be concerned or not about this error
https://groups.google.com/g/firebird-support/c/zZUHHfO3s-4
Thanks
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