idiot 5.3 disk question

[Lowell Gilbert]

thursday <thursday at sdf.lonestar.org> writes:

> Greets,
> 
> I haven't been following FreeBSD much at all lately, having gotten a Linx admin job, so forgive me:
> 
> I'm installing FreeBSD 5.3 on a new machine. I've added a second disk, and 80Gig Maxtor IDE drive. I use sysinstall to partition it, and run disklabel/newfs, etc, mounting it as "/storage". 
> 
> In sysinstall, it shows the disk as being 78G - that's fine. 1024 != 1000. 
> 
> However, when I run df -h it tells me the disk's capacity is 74G, there's 4.0K in use (it's empty), but only 68G is available. I'm just confused about where the 12G went. 
> 
> Anyone have any helpful pointers to help me understand? 

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#DISK-MORE-THAN-FULL

> 
> Also, what's the ".snap/" directory for? 

man mksnap_ffs