Subject: Re: I/O priorities
To: Greywolf <greywolf@starwolf.com>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: tech-kern
Date: 06/20/2002 21:28:50
On Thu, Jun 20, 2002 at 12:09:44PM -0700, Greywolf wrote:
> On Thu, 20 Jun 2002, Wojciech Puchar wrote:
> 
> # Manuel Bouyer a écrivé:
> #
> # > > 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.
> #
> #
> # sounds different as an option. thanks for explanation
> 
> Why not prioritise by type of partition rather than by partition proper
> (i.e. say swap gets slightly lower priority than ffs)?  Is there need to
> prioritise by physical partition?

Why limit to type of partitions, when you could have a finer-grain tuning ?
I'd like to be able to say, on my mail server, / and /usr should be
serviced before /var/mail, for example.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
--