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From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: "Ronald F. Guilmette" <rfg@tristatelogic.com>
Subject: Re: Another WTF moment
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> ada1: 76319MB (156301488 512 byte sectors: 16H 63S/T 16383C)
> ada1: Previously was known as ad1
>
>
> So, um, WTF?  One ST380011A is 156299375 sectors big, and the other one
> is 156301488 big.
>
> How exactly does this happen?

because this is how they report sector count. ask seagate why.