Checksums

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Note: For performance reasons, InterBase supports true checksums only for ODS 8 and earlier. For ODS 9 and later, InterBase always generates the string “12345” as the checksum. This maintains compatibility with older versions.

Option values are Process and Ignore.

To ignore checksums during backup, set the Checksums option value to Ignore.

A checksum is a page-by-page analysis of data to verify its integrity. A bad checksum means that a data page has been randomly overwritten; for example, due to a system crash.

Checksum errors indicate data corruption, and InterBase normally prevents you from backing up a database if bad checksums are detected. Examine the data the next time you restore the database.

This function corresponds to the -ignore option of gbak.