How do I create large partitions in FreeBSD?

krad kraduk at googlemail.com
Tue Dec 8 20:52:57 UTC 2009


2009/12/8 Polytropon <freebsd at edvax.de>

> On Tue, 8 Dec 2009 13:43:41 -0600, Peter Steele <psteele at maxiscale.com>
> wrote:
> > Yes, I know what a BSD slice is compared to a BSD partition.
> > Considering that fdisk uses "partition" interchangeably in
> > cases with "slice", I often do as well. I guess it can be
> > confusing if one isn't careful with context.
>
> You're right - fdisk uses different terminology.
>
>
>
> > We already have a configuration in place on our smaller 1U
> > boxes which are divided into three slices, one for the OS
> > (with 2 partitions), one for swap, and the third slice for
> > data. The third slice is divided into two partitions, one
> > UFS and one raw. The first two slices are gmirrored, the
> > third slice is not.
>
> Okay, now I understand. It's much more complex than it seemed
> from your initial statement. :-)
>
> What you want in the end is e. g.
>        /dev/da1s1a = /
>        /dev/da1s1d = /usr (or maybe /usr/local)
>        /dev/da1s2b = swap
>        /dev/da1s3d = /bigstorage (or something similar)
>        /dev/da1s3e = raw
>
>
>
> > For consistency we want to use the same slice configuration
> > for these large drives. We don't *have* to do it this way
> > but it simplifies things for our legacy code. We're not
> > using any gmirroring on these raid boxes of course, and we
> > only need one partition on the third slice (no raw partition)
> > but otherwise the layout will largely be the same.
>
> Then it looks to me that using gpt / gpart is the way to go...
>
>
>
> --
> Polytropon
> Magdeburg, Germany
> Happy FreeBSD user since 4.0
> Andra moi ennepe, Mousa, ...
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stay away from dangerously dedicated it seems as though they are being
phased out


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