Adding a partition

J65nko BSD j65nko at gmail.com
Fri Jan 28 11:49:28 PST 2005


On Fri, 28 Jan 2005 15:36:08 +0101, David J. Weller-Fahy
<dave-lists-freebsd-questions at weller-fahy.com> wrote:
> I left about 26GB free on my 80GB hard drive.  Having found a use for
> that space, I now want to add a partition.  I've not added one by hand,
> and /stand/sysinstall gives me a 'cannot write to ...' message, so I
> want confirmation that what I'm about to do won't crump on me. ;]
> 
> System is two 80GB ATA hard drives on a 'Promise PDC20269 UDMA133
> controller' (according to dmesg), with one on each channel (both
> master).  I'm running software raid using atacontrol.
> 
> My current partition table follows:
> 
> #v+
> dave[tigger]~> sudo bsdlabel ar0s1
> # /dev/ar0s1:
> 8 partitions:
> #        size   offset    fstype   [fsize bsize bps/cpg]
>   a:  1048576        0    4.2BSD     2048 16384     8
>   b:  2097152  1048576      swap
>   c: 156296322        0    unused        0     0         # "raw" part, don't edit
>   d: 73400320 30408704    4.2BSD     2048 16384 28544
>   e:  2097152  3145728    4.2BSD     2048 16384 28552
>   f: 12582912  5242880    4.2BSD     2048 16384 28552
>   g: 12582912 17825792    4.2BSD     2048 16384 28552
> #v-
> 
> To use up the unused space, I believe I need to add the following line:
> 
> #v+
>   h: 52487298 103809024    4.2BSD     2048 16384 28552
> #v-
> 
> Could someone who's done that before confirm whether that looks right?
> 

First you need to create a FreeBSD slice with fdisk, say /dev/ar0s2.
Only then you can disklabel that /dev/ar0s2.

=Adriaan=


More information about the freebsd-questions mailing list