Hello, > > I have been looking into switching from gbak to nbackup. From what I > have read about nbackup I am left with some, possibly incorrect, > impressions. > > 1) nbackup is a page level backup rather than a row-by-row backup like > gbak. > 2) nbackup does no integrity checking of the database as it is backed > up. It simply copies the database page by page. > 3) If 2) is true, then this would seem to imply that I could back up a > corrupted database using nbackup without ever knowing that the > database was corrupt. > 4) If 2) & 3) are true this would seem to imply that I could restore a > corrupted database using nbackup and wind up with a corrupted > database, the same as the original. > In general, you are right. Read this presentation about backups in Firebird, it has more details about corruptions and gbak/nbackup: http://www.slideshare.net/ibsurgeon/everything-about-backups-firebird-by-dmitry-kuzmenko-ceo-ibsurgeon
Regards, Alexey Kovyazin IBSurgeon (www.ib-aid.com) > > Please feel free to correct my misconceptions. > > [Non-text portions of this message have been removed]
