Dmitry Kuzmenko skriver:

>
> Hello, Kjell!
>
> Tuesday, October 8, 2013, 2:37:57 PM, you wrote:
>
> KR> Working with FB 2.5 on Windows 64 bit, how does Nbackup level 0
> perform
> KR> compared to a high-performance copy utility like FastCopy?
>
> as I see on my desktop nbackup -b 0 is 2-3 times slower than
> lock/file copy/unlock. I think this is known behavior.
>

Thanks, that's enough for me to know that it's probably not a viable
option right now.

> KR> I'm asking because my DB is 80+ Gbyte and both the database and the
> KR> backup are currently on the same physical disk.
> this is BAD. Because of 2 concurrent operations - read and write.
> If this is not raid 10, then read+write will be 2 times slower
> than read from one physical disk and write to another physical disk.
> This has nothing related to nbackup, it is just about copying any
> file.
>

Yes, of course. It's raid 1 and it is slow and it does bog the system
down somewhat. But it's not a big problem right now - not big enough to
warrant a server upgrade (at least not the work implied by a server
upgrade).

Kjell