Re: below 10MB/s write on raid5

[Dexter Filmore <Dexter.Filmore@gmx.de>]

On Monday 11 June 2007 14:47:50 Justin Piszcz wrote:
> On Mon, 11 Jun 2007, Dexter Filmore wrote:
> > I recently upgraded my file server, yet I'm still unsatisfied with the
> > write speed.
> > Machine now is a Athlon64 3400+ (Socket 754) equipped with 1GB of RAM.
> > The four RAID disks are attached to the board's onbaord sATA controller
> > (Sil3114 attached via PCI)
> > Kernel is 2.6.21.1, custom on Slackware 11.0.
> > RAID is on four Samsung SpinPoint disks, has LVM, 3 volumes atop of each
> > XFS.
> >
> > The machine does some other work, too, but still I would have suspected
> > to get into the 20-30MB/s area. Too much asked for?
> >
> > Dex
>
> What do you get without LVM?

Hard to tell: the PV hogs all of the disk space, can't really do non-LVM 
tests.



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