How to add a slice and partition to a mirror
Anton Shterenlikht
mexas at bristol.ac.uk
Thu Jul 9 22:52:51 UTC 2009
On Fri, Jul 10, 2009 at 10:12:56AM +1200, Tom Munro Glass wrote:
> I have a FreeBSD 7.2 system that had two 37GB mirrored SCSI drives. These
> contained a single slice filling the disk with separate partitions for swap,
> /, /var, /usr and /home.
>
> Yesterday one of the drives had a catastrophic failure - no problem, the
> system still worked on one drive as it is supposed to. I have purchased two
> new 74GB drives because I need more space.
>
> With just the working 37GB drive connected, I ran:
>
> # gmirror forget gm0
>
> Then I connected one of the new 74GB drives and ran:
>
> # gmirror insert gm0 /dev/da1
>
> and the mirror rebuilt itself correctly, but of course only half of the new
> drive is being used.
>
> I've now removed the 37GB drive and run "gmirror forget gm0" again and the
> system is running on the new half used 74GB drive.
>
> How do I define a new slice and partition to fill the second half of this
> drive?
what is the output of "gpart gm0" ?
--
Anton Shterenlikht
Room 2.6, Queen's Building
Mech Eng Dept
Bristol University
University Walk, Bristol BS8 1TR, UK
Tel: +44 (0)117 928 8233
Fax: +44 (0)117 929 4423
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