
IBM Software Group | DB2 Information Management Software | DB2 Support
Different sources of Corruption
1. Corrupt file system by Abrupt system shutdowns, power surges, file
system double-mount, migrating disks, file system-level activities
when the database is up and running
2. Hardware failure.
3. Memory corruption.
4. DB2 defect.
5. I/O and network issues (issues in fiber adapter, switches, etc.)
6. Inconsistency in the value of the page in the buffer pool (sqldPage)
and the one stored in the file system.
7. Overwriting of disk data causes corruption.
8. User interference with critical configuration files of database, log
files, log control files, etc. can put database in inconsistent state
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