Adding partitions to gmirror device
Vladislav Sekulic
vlad.sekulic at utoronto.ca
Tue Jan 27 10:49:42 PST 2009
Thanks, Wojciech and Jerry, for your help.
Quoting Jerry McAllister <jerrymc at msu.edu>:
> First of all, you say that you have allocated 27GB of 238GB available.
> Is that 238GB in the existing slice - gm0s1 or is it outside of
> that slice? (NOTE, the 's' in the device name stands for slice -
> so it is slice 1 of a possible 4).
>
It's 27GB used within the existing slice; gm0s1 spans the entire disk.
> It could be helpful if you posted you /etc/fstab file and also
> what is printed if you do: bsdlabel gm0s1 or, if it is what
> they call 'dangerously dedicated' do: bsdlabel gm0
>
$ sudo bsdlabel /dev/mirror/gm0s1
# /dev/mirror/gm0s1:
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 1048576 0 4.2BSD 2048 16384 8
b: 8320016 1048576 swap
c: 488375937 0 unused 0 0 # "raw"
part, don't edit
d: 2097152 9368592 4.2BSD 2048 16384 28528
e: 10485760 11465744 4.2BSD 2048 16384 28528
f: 41943040 21951504 4.2BSD 2048 16384 28528
> If it is all in that gmos1 slice, then just use bsdlabel on that
> slice to add the rest to another partition within that slice. Just
> boot from something other than that mirror, make sure nothing
> in gm0 is mounted and then do: bsdlabel -e gm0s1 and fix it
> up as needed.
>
Great, makes sense. I'll boot from the FreeBSD livecd and do this.
Thanks again!
Vlad
--
Vladislav Sekulic
Research Computing System Administrator
Systems and Networks Research Group
Dept. of Computer Science, University of Toronto
http://www.cs.toronto.edu/~pocsys
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