[TriLUG] RHAS---300gig?

dsandif dsandif at email.unc.edu
Thu Jul 22 10:52:52 EDT 2004


Thanks to all who responded to my query (esp. you Jeremy, Konppix is cool!). Final
resolution though was to get a controller card and use its BIOS to see the drives
(which by the way the OS can only see up to 286 Gigs each, so much for a true 300
Gig HD!) thxs again!

D-

Jeremy Portzer wrote:

> On Thu, 2004-07-22 at 07:13, Brian Henning wrote:
> > > Most companies see 300000mb as 300GB, but OSs see 300000 as 300000/1024 or
> > 293GB..
> >
> > Actually (for the sake of hair-splitting...), it's worse than that.
> > Marketers see 300,000,000,000 bytes as 300 GB, while OSes will see it as
> > 300,000,000,000 / (1024 * 1024 * 1024) = 279.4 GB.
> >
> > I remember reading somewhere that it's the difference between "300GB" and
> > "300 GB" but I'm not sure if that's true, and if it is I can't remember
> > which is which.
>
> The unambiguous way to resolve this is to use different prefixes when
> referring to the 1024 multiples.  For examples, 300 GB = 279.4 GiB.
> 1 KiB = 1024 bytes, 1 MiB = 1024 KiB, 1GiB = 1024 MiB.
>
> The Ki,Mi,Gi, prefixes are not officially part of the metric or US units
> system but are beginning to see wider acceptance.  The original document
> on this subject is here:  http://physics.nist.gov/cuu/Units/binary.html
> .  If you do a Google search on "Kibi Mebi Gibi" or something like that
> you'll see many more informative articles.
>
> I have to conclude that the drive manufacturers are "correct" when they
> use the metric prefixes exactly as defined, K=10^3, M=10^6, G=10^9.
>
> --Jeremy
>
> --
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