Re: ext3 performance bottleneck as the number of spindles gets large

Andreas Dilger (adilger@clusterfs.com)
Sat, 22 Jun 2002 22:33:10 -0600


On Jun 22, 2002 22:02 -0600, Christopher E. Brown wrote:
> On Thu, 20 Jun 2002, Griffiths, Richard A wrote:
>
> > I should have mentioned the throughput we saw on 4 adapters 6 drives was
> > 126KB/s. The max theoretical bus bandwith is 640MB/s.
>
> This is *NOT* correct. Assuming a 64bit 66Mhz PCI bus your MAX is
> 503MB/sec minus PCI overhead...

Assuming you only have a single PCI bus...

Cheers, Andreas

--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/

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