Mark Rotteveel mark@... [firebird-support] wrote:

> In general it is not necessary to backup and restore within the same
> ODS, if it is necessary (or recommended), this is explicitly mentioned
> in the release notes.
> The only backup and restore that is recommended is if you created the
> database in Firebird 2.5.1 (including restores to that version) and move
> to 2.5.3 or higher. See:
> https://www.firebirdsql.org/file/documentation/release_notes/html/en/2_5/notes-253.html

Thank you for your answer. I dared to install the update now, and it
worked without any problems.

I actually created the databases with 2.5.1, but already had done
the backup/restore cycle when updating to 2.5.3 long ago.

-Matt