Very interesting. I figured if the API allowed it then the TDP would already be 
using multiple stripes\sections.

Thanks

Del Hoobler <hoobler AT US.IBM DOT COM> wrote:
Kyle,

It is 4 storage groups per server/5 databases per storage group.


> A question for Del: Will the TDP for Exchange ever have a striping
> feature like the TDP for SQL or is that a Microsoft limitation with
> Exchange -vs- SQL.

This is a current Microsoft API limitation. Interestingly, there is a
"placeholder" in the API that says how many "sections" you would like
to use... however... the documentation for that parameter shows:

cSections
Input parameter. The number of file sections the function
should return. This parameter should always be 1.

I am hoping that means Microsoft will support multiple sections someday.
That have not told me they plan to support more than 1 yet.

Thanks,

Del

----------------------------------------------------


"ADSM: Dist Stor Manager" wrote on 03/17/2005
06:01:38 PM:

> With Exchange 2003 I can't remember if it is up to 4 storage groups
> per server with 5 databases each or if its the other way around.
> Anyway, while I don't condone using 1 TB pluse storage groups.
> Groups much larger than 200 GB are going to exist out there.
>
> I would just add that using LANFree backup you can achieve some
> pretty fast backup speeds as well. We backed up a 500 GB SQL
> database in a few hours. Of course actual milage may vary.
>
> A question for Del: Will the TDP for Exchange ever have a striping
> feature like the TDP for SQL or is that a Microsoft limitation with
> Exchange -vs- SQL.
>
> Kyle
>

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