On Sat, 7 Aug 1999, Mark Hahn wrote:
> > > > i can buy the promise ide/66 and Abit HotRod66(HPT366 chipset)
> > > udma66 is not useful over udma33. however, both are supported;
> > > I suspect the promise works better.
> > both are not really supported
>
> no loss. the promise udma33 controller is supported and works,
> and is since disks deliver only up to about 21 MB/s, is plenty fast.
problem is i can only find the udma66 ones here
>
> > i can't find patches for 2.3.x for raid
> > and they are both supported in 2.3.12 and/or 2.3.13pre
>
> as far as I know, md is just a normal part of the 2.3 kernel.
> I don't use it myself, but it looks like it's there, under the
> block-devices section.
yeps
but that's not compatible with raidtools 0.90
>
> > > > (hdparm -t on /dev/md0 gives 4.3mb/sec :( )
> > >
> > > hdparm -d1? udma enabled in bios? how do the disks perform without md?
> > without i get about 16mb/sec
>
> sounds like you might also need to tune your block sizes.
tried some things out
i made a raid0 over 2disks
and then i get 28mb/sec with hdparm
