Can't add new 1TB disk in FreeBSD 6.1

[Jerry McAllister]

On Sun, Oct 05, 2008 at 03:42:53AM -0700, Jeremy Chadwick wrote:

> On Sun, Oct 05, 2008 at 11:07:58AM +0200, Wojciech Puchar wrote:
> >>>
> >>>
> >>> I tried using fdisk first, same problem, won't let me write to the disk.
> >>
> >> Do you will use the entire disk in one partition ? If so, just do:
> >> newfs /dev/ad4
> >>
> > yes you can. i actually do this
> 
> Isn't this what's called "Dangerously Dedicated" mode, and is considered
> "very risky behaviour" on FreeBSD nowadays?

It is what is called 'dangerously dedicated'  but the 'nowdays' thing is
not relevant.   It is as old as the slice/partition framework.  It is
probably not a good name for it because it is not risky for the system
you are using it on.    It's only problem is if you want to read/write
the disk in a different system.  You might not be able to do it because
it does not follow the most standard way.    It is not a problem for a disk
that is only used on FreeBSD.

On the other hand, I see no reason to not use the slice+partition system
that is most standard.   fdisk to create slices and bsdlabel to create
partitions and then newfs each partition except swap.

////jerry

> 
> I would be wary of doing it that way.  Using slices is the preferred
> method, e.g. newfs /dev/ad4s1a.
> 
> -- 
> | Jeremy Chadwick                                jdc at parodius.com |
> | Parodius Networking                       http://www.parodius.com/ |
> | UNIX Systems Administrator                  Mountain View, CA, USA |
> | Making life hard for others since 1977.              PGP: 4BD6C0CB |
> 
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