Backup is always smaller than the database,
so just adjust number/sizes of backup files accordingly.
(notice that you do not specify size for the last file)

Ivan

----- Original Message -----
From: "Waner Miranda" <wanermiranda@...>
To: <firebird-support@yahoogroups.com>
Sent: Tuesday, January 04, 2005 4:14 PM
Subject: Re: [firebird-support] Backup


>
> Hello Ivan,
>
> This switches to GBAK are so interesting. But, how to preview a size of
> the final file and the count of target files?
>
>
>
> ----- Original Message -----
> From: "Ivan Prenosil" <Ivan.Prenosil@...>
> To: <firebird-support@yahoogroups.com>
> Sent: Tuesday, January 04, 2005 10:50 AM
> Subject: Re: [firebird-support] Backup
>
>
> >
> >> I'm searching for a way to automize the making af backups. I know
> >> there are several programs that can do this, but none of them have an
> >> option to split a database so that a backup can have multiple files.
> >>
> >> Is this possible? And if it is, how can I do that? Perhaps a tool that
> >> has this option, otherwise some hints about what to use if I have to
> >> make it myself?
> >
> > Standard GBAK can do that. Command line switches are
> >
> > gbak [-B] [options] database target1 [size1[k|m|g] target2 [size2[k|m|g]
> > target3 ...] ]
> >
> > Ivan
> > http://www.volny.cz/iprenosil/interbase/