Subject: UFS2 (was: Huge (> 1TB) disk)
To: Jason R Thorpe <>
From: Greg 'groggy' Lehey <>
List: tech-kern
Date: 05/14/2002 14:19:38
On Monday, 13 May 2002 at 20:37:44 -0700, Jason R Thorpe wrote:
> On Tue, May 14, 2002 at 01:01:31PM +0930, Greg 'groggy' Lehey wrote:
>> FWIW, Kirk McKusick is currently working on UFS2, which will have 64
>> bit pointers.  Note that there's more than just a simple change to get
>> this to work: for one thing, it means that the on-disk data structures
>> are incompatible with UFS.
> What else is on the table for UFS2?  I remember being extremely
> disappointed when I heard the list at one point, but I honestly
> can't remember what changes UFS2 has planned.

I'm sorry, I don't know too much myself.  There was some discussion on
the FreeBSD lists, but few details have come out.  You could be right
in that it's not a big difference.

>> The FreeBSD project is doing a complete overhaul of UFS, in
>> cooperation with Kirk.  I'm not sure whether that stuff has been
>> removed yet, but if not, I'm sure it's on the list.
> It'd be nice if you used the bsd-api-discuss mailing list for this
> stuff, since all BSD projects have people reading that list.  It's

This is the first I've heard of this list, but sure, it's a good idea.
I'll sign up.

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