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Date: Fri, 18 Feb 2005 11:27:05 -0800
From: Julian Elischer <julian@elischer.org>
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To: Eric Anderson <anderson@centtech.com>
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cc: Matthew Jacob <lydianconcepts@gmail.com>
cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: newfs limits? 10TB filesystem max?
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Eric Anderson wrote:

> Matthew Jacob wrote:
>
>> BTW- be careful with very large filesystems on FreeBSD- at some point
>> fsck can't check them.
>>
>> I built a sparse 5000TB filesystem which newfs'd and mounted okay, but
>> was not possible to check with fsck. 
>


I would be surprised fi you can check a 5TB filesystem

 From my tests on a full 1TB filesystem, it takes about 700MB of RAM in 
the fsck process PER TB.

>>
>
> 5000TB?!?!   How did you do that?
> Does anyone know of a way to build a simulated filesystem, for testing 
> without a real 20TB disk array?
>
> Eric
>
>