some questions about disk partitioning and filesystems and booting

[Polytropon]

On Sat, 15 Feb 2020 14:30:57 +0000, RW via freebsd-questions wrote:
> On Thu, 13 Feb 2020 20:08:27 -0800
> David Christensen wrote:
> 
> 
> > The most obvious downside is that MBR does not support labels.  So,
> > the FreeBSD boot system uses device node names.  This means I have to
> > ensure that the system drive is always ada0
> 
> You can use glabel to label the drive, or label the
> individual partitions.

Actually, there are several possible methods for labeling:

1. glabel (GEOM label)
   example: /dev/label/usr

2. tunefs label (UFS permanent label)
   example: /dev/ufs/usr

3. UFS-ID
   example: /dev/ufsid/486b6fc16926168e

Sources:

https://www.freebsd.org/doc/handbook/geom-glabel.html

http://www.wonkity.com/~wblock/docs/html/labels.html


-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...