Any comments on this? Simon? :)

On Tue, 20 Jun 2006, Justin Piszcz wrote:

> Finding the sweet spot for the fragment size is a time consuming task as each 
> of our environments is different.
>
> How much does each 'index' per each fragment take up?
>
> Say I backup 200GB to an LTO2 tape, if I write an index every 2GB, how much 
> space is lost due to the file markers?
>
> I know the file markers immensely speed up the restores, but what is the 
> impact of them on backups?  Has anyone thought of this?
>
> Also, what if the fragment size is 32GB and the backup is exactly 32GB? Are 
> two fragments written or one?
>
> If any of you have thought about this, please comment!
>
> Thanks,
>
> Justin.
>