How to merge an unused partition.

[Chris Hodgins]

Chris wrote:
> Greg 'groggy' Lehey wrote:
> 
>> On Saturday, 12 March 2005 at 21:09:47 -0600, Chris wrote:
>>  
>>
>>> Heya folks - here's my issue; I removed a OS from my drive and that 
>>> freed
>>> up 10 gig. I wish to "merge" the free 10 gig into my FreeBSD file 
>>> system.
>>>
>>> Here's what she looks like via fdisk:
>>>
>>> Disk name:      ad1                                    FDISK Partition
>>> Editor
>>> DISK Geometry:  9729 cyls/255 heads/63 sectors = 156296385 sectors 
>>> (76316MB)
>>>
>>> Offset       Size(MB)        End     Name  PType       Desc  Subtype
>>>
>>>        0      10236   20964824        -     12     unused        0
>>> 20964825      66079  156296384    ad1s1      8    freebsd      165
>>> 156296385          2  156301487        -     12     unused        0
>>>
>>>
>>> So - what do I need to do to take the 1st line and merge it into the
>>> existing system?
>>>   
>>
>>
>> That depends on what you want to do with the space.  It would be
>> relatively complicated (but not impossible) to merge it into an
>> existing file system.  If you just want to create a another file
>> system, just create a new partition in the partition editor, set it to
>> tye 165, then in the label editor create one (or just possibly more
>> than one) file system.  Both here and in the label editor, use the W
>> command to actually write the stuff to disk.
>>
>>  
>>
>>> Sorry for the formatting
>>>   
>>
>>
>> Looks fine to me.
>>
>> Greg
>>  
>>
> I assume doing this while in single user mode. Otherwise I am getting an 
> error: unable to write to disk.
> But as you mentioned,. I would prefer to somehow merge it into the 
> current FBSD file system.
> 
> 
> Chris

I think growfs(8) will do what your after.  However if it all goes wrong 
and your data implodes.... ;)

Chris