Using a hard drive without partitions
Svein Halvor Halvorsen
svein-freebsd-questions at theloosingend.net
Mon Aug 8 09:20:08 GMT 2005
* Nikolas Britton [2005-07-30 03:26 -0500]
> What are the ramifications, good or bad, of not using partitions on a
> FreeBSD disk?.... What is wrong with just a slice?
In FreeBSD, you can newfs a disk (eg. ad0), a slice (eg. ad0s1) or a
partition (eg. ad0s1a). Even a regular file could be newfs-ed!
You can also bsdlabel either a disk or a slice or a regular file, and this
way you can create a /dev/ad0a device. Also fdisk can handle regular
files, so you can slice a file. Even though this last example would make
much sense, the former do!
I have newfs-ed the c-partition myself several times, and also skipped the
bsdlabel-ing completely and just newfs'ed the entire slice. On dvd+rw,
I've newfs-ed the media, without slicing or partitioning/labeling first.
I haven't tried to bsdlabel a disk, though.
I guess the problem with using such setups would be non-standardization.
That is, other systems might not know how to interact with your particular
setup. Otherwise it should be fine. It's not much use either, though, to
skip to partitioning; you don't save much space by doing so.
Svein Halvor
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