i need to upgrade a disk

[Eric]

Jonathan Horne wrote:
> i have a system that is FreeBSD 6.2-PRERELEASE, that i need to upgrade its 
> single disk.  id like to keep all its existing slices the same size, and then 
> use the unused space to create a new /opt slice.  would dd be the way to go?  
> if so, could someone advise on its proper usage for duplicating one disk to 
> another?
> 
> or, if there is an alternative way to skin this cat, im willing to learn 
> whatever way might be the best.
> 
> cheers,
> jonathan
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this is what i will be using to migrate from my 1 disk setup to RAID1 
tomorrow:

http://lantech.geekvenue.net/chucktips/jason/chuck/1004897633/index_html
http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#NEW-HUGE-DISK 


Good luck!