One of the changes in the pipeline seems to be making the SD multi
threaded.   Thus if you use a single SD it will be able to use multiple
CPU's going forward.   I don't know what the ETA is, but I look forward
to that change.
                                -Jason


On Tue, 2010-01-05 at 12:56 -0500, Brian Debelius wrote:
> Hrumph...sigh.
> 
> On 1/5/2010 12:40 PM, Phil Stracchino wrote:
> > Brian Debelius wrote:
> >    
> >> I want to see if having disk storage on one sd process, and tape storage
> >> on another sd process, would increase throughput during copy jobs.
> >>      
> > Actually, it'll decrease it rather drastically.  All the way to none.
> >
> > You see, at the present time you cannot copy or migrate from one SD to
> > another.  Copy and migration operations can only occur between devices
> > attached to a single SD, because SDs cannot yet communicate directly
> > with one another, which they would need to do to perform inter-SD copies
> > or migrations.
> >
> >
> >    
> 
> 
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