On Thu, Jun 20, 2002 at 04:15:36PM +0200, Wojciech Puchar wrote:
> > > > First we probably need a per-partition I/O queue, instead of per device.
> > >
> > > i don't think partitions have anything with that. doing that will make
> > > linux-like case (at least linux 2.2. kernels) where lots of partitions
> > > means even slower work and lots of disk seeks as it sorts request per
> > > partition not real device
> >
> > I was thinking a mix of the two.
> >
> 
> 
> why partitions should matter at all???
> 
> it's purely logical thing, one can have only one partition per drive,
> others can have 10 partitions, one can mostly do I/O on one partition,
> another spread it evenly. what i don't understand?

Because you may want to say, e.g. that the swap, / and /usr partition are
highter priorities.
The usual way to solve this is to add more disks, but it's not always possible.

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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