Subject: Re: File system > 1 Terabyte
To: Ben Collver <collver@peak.org>
From: Jason Thorpe <thorpej@shagadelic.org>
List: current-users
Date: 09/30/2004 14:53:37
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On Sep 30, 2004, at 2:44 PM, Ben Collver wrote:

> Can a FFSv1 filesystem be larger than 1TB?  Where does the 1TB
> limitation come from?

FFS addresses everything by "fragment".  FFSv1 has a 32-bit signed 
fragment number, meaning you're limited to 2^31 fragments.  FFSv2 has a 
64-bit signed fragment number.

Arithmetic is left as an exercise for the reader.

         -- Jason R. Thorpe <thorpej@shagadelic.org>


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