Messages in this thread | | | Date | Fri, 30 Apr 1999 08:14:26 -0700 (PDT) | From | Joel Jaeggli <> | Subject | Re: How to make Linux scale up WRT bandwidth and size? |
| |
On Fri, 30 Apr 1999, Dr. Werner Fink wrote:
> On Thu, Apr 29, 1999 at 05:25:21PM -0400, Nat Lanza wrote: > > alan@lxorguk.ukuu.org.uk (Alan Cox) writes: > > > > > > frames per second. This means a sustained rate of roughly 10MB per > > > > second. Lossy compression would falsify the results and is thus not > > > > > > Thats about the bandwidth of a disk > > > > Er, what? That's less than half the bandwidth of a good > > top-of-the-line SCSI disk these days; look at the spec sheets for > > something like a Seagate Cheetah -- the spec sheet at > > > > http://www.seagate.com/disc/pdf/cheetah18_36.pdf > > > > claims a transfer rate of 18-28 Mbytes/sec. > > Hmmm ... how long this stays at this value for a 2 Gig file > read or write at *once*?
I've been able to sustain 17MB/s on ST318275LW (barracuda 18lp). Two of them software striped did 32MB/s on a single UW scsi channel (bt958)
> > Werner > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/ >
-------------------------------------------------------------------------- Joel Jaeggli joelja@darkwing.uoregon.edu Academic User Services consult@gladstone.uoregon.edu PGP Key Fingerprint: 1DE9 8FCA 51FB 4195 B42A 9C32 A30D 121E -------------------------------------------------------------------------- It is clear that the arm of criticism cannot replace the criticism of arms. Karl Marx -- Introduction to the critique of Hegel's Philosophy of the right, 1843.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |