Hi Johan,

Thank you for the info. They are quite helpful. It seems like I have
to read quite some documents on the same things I have been used to
work with on Linux and FreeBSD ...

On Fri, Jan 22, 2010 at 6:04 AM, Johan Beisser <j...@caustic.org> wrote:
> On Thu, Jan 21, 2010 at 8:42 PM, Song Li <lis...@stanford.edu> wrote:
>
>> For the mount device: what's the device naming convention and the
>> rationale behind it? I do not think it's a good idea to search through
>> all the device and find out the device name. Linux and FreeBSD use
>> slightly different convention but they both make sense to me. What
>> about OpenBSD?
>
> Read intro(4), sd(4), wd(4) and disklabel(5)/disklabel(8).
>
> The naming comes from the driver itself: sd is scsi disk, wd is
> "WD100x compatible hard disk driver." It depends on the upper level
> driver to determine the device name.
>
> The 'r' prefix, "rsd0" for example, is the raw device. It's rare
> you'll need to access it, but it does happen occasionally.

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