First point to note is that you will need 64 bit Udfs if you use any.
You should also backup and restore using whichever tool you use. Don't
just copy it (although you probably know that)
good luck
Alan

Alan J Davies
Aldis

On 17/06/2012 18:19, mrj2@... wrote:
> Hi
>
> I am currently in the throws of installing Firebird on a new PC. The PC
> is several generations newer than my previous PC (intel quad compared to
> a pentium 5). I will be moving to a 64 bit Ubuntu 12.04 operating system.
>
> I have previously been using Firebird 2.1 on a 32 bit Ubuntu operating
> system and wish to use version 2.5 on the new 64 bit machine.
>
> Now the million dollar question. Will the databases I have created in
> Firebird version 2.1 on a 32 bit operating system work on version 2.5
> using a 64 bit operating system.
>
> Thanks
>
> Michael