Re: Lingua franca file system Linux-NetBSD-FreeBSD?

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Aug 27, 2010 at 09:11:13AM +0000, Thomas Mueller wrote:
> > > While it's probably quite OK to format a partition for FAT32 from Linux 
> > > (mkdosfs) or *BSD and then install FreeDOS, I think that, for a partition 
> > > where Linux is to be installed, it would be preferable to format said 
> > > partition from Linux rather than *BSD.  I would be less fussy for a 
> > > nonbootable data partition.
> 
> > If it's for installing linux, probably. If it's just a data partition
> > it probably doesn't matters.
> > Note that linux will probably format it as ext3, not ext2, and there's
> > no support for ext3 in NetBSD.
> 
> > -- 
> > Manuel Bouyer <bouyer%antioche.eu.org@localhost>
> 
> e2fsprogs?  Required in Linux, available in pkgsrc and also FreeBSD ports.  
> ext3 is ext2 + journaling.

And some other features not supported by NetBSD at this time.
NetBSD will refuse to mount a ext filesystem with unknown, incompatible
features (and this is the right thing to do).

> So if NetBSD could read ext2, it ought to be able to read ext3.  Maybe 
> writing to ext3 file system from NetBSD could cause the journal to go out of 
> sync?

Of course the journal will contain bogus data after that. 

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--