Re: Undocumented tape devices in pax(1)

[Kenneth D. Merry]

On Mon, May 08, 2000 at 15:42:01 -0600, Warner Losh wrote:
> In message <[EMAIL PROTECTED]> Matthew Jacob 
>writes:
> : Oh, and in the updating of this, don't forget the FreeBSD usage of .ctl for
> : tape devices- as far as I know this is the only *BSD that has this.
> 
> Which devices use .ctl?  sa and ast don't seem to use them now (at the
> very least they aren't created by MAKEDEV by default).

The sa driver does use the control nodes, whether or not they're actually
created by MAKEDEV.  (Look in saopen().)  It's useful to be able to get
status on your tape drive while a backup is going on via the control node,
e.g.:

mt -f /dev/rsa0.ctl status

Ken
-- 
Kenneth Merry
[EMAIL PROTECTED]


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