Re: New IDE drive dramatically slow system?
From: Alvin Oga (aoga_at_ns.Linux-Consulting.com)
Date: 07/23/03
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- In reply to: Daniel B.: "Re: New IDE drive dramatically slow system?"
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Date: Tue, 22 Jul 2003 23:07:08 -0700 (PDT) To: "Daniel B." <dsb@smart.net>
hi ya daniel
On Wed, 23 Jul 2003, Daniel B. wrote:
> Alvin Oga wrote:
> >
> > On Mon, 14 Jul 2003, Joyce, Matthew wrote:
> >
> > ...
> > > > -- dont mix drives unless they are both ata-100
> > > > and both have 2MB disk buffers .. etc.etc..
> > > >
> > > > c ya
> > > > alvin
> > > >
> > >
> > > I've never heard of matching buffers before.
> >
> > mixing w/ 8MB buffer disk cache is a recent problem
> > since its been around a year or two
> >
> > and you do have to keep those disk buffers the same on the
> > same ide cable along w/ the same ata-66 vs ata-100 vs ata-133
>
> That can't be right.
you can "assume" it can't be right or wrong all you like...
- the disk tests is left to the user to figure out if you
do in fact have 2MB buffer disks ofr 8MB buffer disks
on the same ide cable... and if so, and you do have slow
ide responses ... duh.....
- it's a known problem ...
( one can always go fix the ide driver if needed
( or not mix the disks
- how you do the disk tests can affect your results too
- i dont mix ata speeds, let alone disk buffers...
( so i dont see any ide problems
c ya
alvin
> How can the total cache size affect anything in the transfer
> between the IDE controller and the drives?
>
> Are you confusing total cache size with sector size or some
> transfer size?
>
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- Previous message: Thomas Krennwallner: "Re: insmod fails SiS900; No MII transceivers found! (rewritten and reposted)"
- In reply to: Daniel B.: "Re: New IDE drive dramatically slow system?"
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