Subject: Re: File Size Limitations
To: Perry E. Metzger <perry@piermont.com>
From: Geert Hendrickx <geert.hendrickx@ua.ac.be>
List: netbsd-users
Date: 01/18/2005 13:27:25
On Mon, Jan 17, 2005 at 10:08:21PM -0500, Perry E. Metzger wrote:
> 
> "Geert Hendrickx" <geert.hendrickx@ua.ac.be> writes:
> > I also find there is very limited documentation on the filesystems
> > included in NetBSD.  About UFSv2 the docs only mention that "among other
> > enhancements, it is better suited for filesystems larger than 1 TB".
> > What does that mean, better suited?
> 
> It uses 64 bit block numbers instead of 32 bit ones. Since blocks are
> 512 bits, well, you can see why 2TB becomes a hard limit.
> 
> > And what is the difference then
> > between UFS v1 and v2 on my 10 Gb disk?  
> 
> You have no reason to bother with v2 if you aren't dealing with things
> in the TB range.

Can you confirm that for <2TB filesystems, UFS 1 vs 2 doesn't make ANY
difference?  In that case, why can't the installer (or newfs) choose the
appropriate one by default?  

GH

-- 
:wq