Re: FFSv2 vs FFSv1

[Adrian Steinmann <ast%NetBSD.org@localhost>]

On Sun, May 05, 2013 at 03:31:08PM +0200, Marc Balmer wrote:
> Am 05.05.13 10:08, schrieb Ryo ONODERA:
> > Hi,
> > 
> > From: Ray Phillips <r.phillips%uq.edu.au@localhost>, Date: Sun, 5 May 2013 
> > 18:02:43 +1000
> > 
> >> What's the most convenient way of seeing if an existing partition is
> >> FFSv1 or v2?
> > 
> > # file -s /dev/rwd0e
> > /dev/rwd0e: Unix Fast File system [v2] (little-endian) last mounted on 
> > /usr, last written at Sun May  5 08:05:50 2013, clean flag 2, readonly flag 
> > 0, number of blocks 20480040, number of data blocks 19855038, number of 
> > cylinder groups 217, block size 16384, fragment size 2048, average file 
> > size 16384, average number of files in dir 64, pending blocks to free 0, 
> > pending inodes to free 0, system-wide uuid 0, minimum percentage of free 
> > blocks 5, TIME optimization
> > 
> > This example is done on NetBSD/amd64 current.
> > I believe "Unix Fast File system [v2]" means FFSv2.
> 
> And then there is also the dumpfs command, which shows the filesystem
> type in its output.

as is mentioned in man installboot. I'll mention both in the handbook.
I thought file -s /dev/rwd0e was kinda cool ;-)

Ast