adding unused disk space for FreeBSD

[Igor Robul]

Ean Kingston wrote:

>On July 9, 2005 11:07 am, you wrote:
>  
>
>>Thanks, Ean,  for your reply.
>>I tried it as you proposed.
>>The problem is that when it comes to saving the changes the following
>>message pops up: 'ERROR: Unable to write data to disk ad4!'
>>    
>>
GEOM(4) prevent direct write to disk which has mounted filesystems.

sysctl kern.geom.debugflags=16

temporary turn off this check, and help you rewrite your disk's 
partition table.
Dont use this sysctl permanently.