magtape device naming conventions

John Sovereign john at unisoft.UUCP
Thu Sep 18 15:53:36 AEST 1986


In article <355 at sputnik.fluke.UUCP> norm at fluke.UUCP (Norm Seethoff) writes:
>We are wrestling with a common magtape device naming scheme....

I believe that beginning with SVR2.?, AT&T is pushing a new convention:
subdirectories in /dev for the names of secondary storage devices, i.e.,
/dev/dsk, /dev/rdsk, /dev/mt, and /dev/rmt for blocked and non-blocked
i/o on disks and magnetic tape, respectively.

For disks, the individual nodes look something like:
	/dev/dsk/c0d0s0		controller 0, drive 0, slice 0

I don't remember the individual names given to the tape devices, but why not:
	/dev/rmt/n1600		no-rewind-on-close, 1600bpi


John Sovereign		lll-lcc!unisoft!john		415/644-1230
UniSoft Systems		739 Allston Way			Berkeley, CA  94710



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