Thanks folks. On 9/13/07, Miod Vallat <[EMAIL PROTECTED]> wrote: > > I'd like to know why /dev/cd0a and /dev/rcd0a device files (at my > > machine) refer to the same physical device, given that one is not a > > symlink to the other one, and vice-versa, and also given that cd0a is > > a block device and rcd0a is a character device. > > The kernel handles two kinds of device nodes: ``block'' devices and > ``character'' devices. The major numbers of these devices are > platform-dependant, and must match the bdevsw[] and cdevsw[] arrays > in sys/arch/<platform>/<platform>/conf.c. > > Storage devices can be accessed either as block devices or character > devices, hence they have one entry in each of these tables. Their major > numbers do not need to match since these are completely independant > numbering spaces. > > Miod >
-- Joco Salvatti Undergraduating in Computer Science Federal University of Para - UFPA web: http://www.openbsd-pa.org e-mail: [EMAIL PROTECTED]
