From: Corinna Vinschen <cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: [ANNOUNCEMENT] Updated: mt-2.0.1-1
Date: Sun, 11 Nov 2001 08:26:00 -0000 [thread overview]
Message-ID: <20011116130137.A16860@cygbert.vinschen.de> (raw)
In-Reply-To: <3BF4FAC7.D0FB91CC@iee.org>; from dwsharp@iee.org on Fri, Nov 16, 2001 at 11:38:47AM +0000
On Fri, Nov 16, 2001 at 11:38:47AM +0000, Don Sharp wrote:
> (/dev/tape1 in the new regime?) but the tape rewound after stopping the
> tape with a ^C and then issuing
No, the naming convention for the raw devices is the following:
major minor POSIX filename NT filename
----- ----- -------------- -------------------------
18 0 /dev/st0 \device\tape0 (rewind)
18 1 /dev/st1 \device\tape1 (rewind)
...
18 128 /dev/nst0 \device\tape0 (norewind)
18 129 /dev/nst1 \device\tape1 (norewind)
...
17 0 /dev/fd0 \device\floppy0
17 1 /dev/fd1 \device\floppy1
...
17 16 /dev/scd0 \device\cdrom0
17 17 /dev/scd0 \device\cdrom1
...
17 32 /dev/sda \device\harddisk0\partition0
17 33 /dev/sda1 \device\harddisk0\partition1
...
17 47 /dev/sda15 \device\harddisk0\partition15
17 48 /dev/sdb \device\harddisk1\partition0
17 33 /dev/sdb1 \device\harddisk1\partition1
...
17 208 /dev/sdl \device\harddisk11\partition0
...
17 223 /dev/sdl15 \device\harddisk11\partition15
The following are needed to maintain backward compatibility with
the old Win32 partitioning scheme on W2K/XP.
17 224 from mount tab \\.\A:
...
17 250 from mount tab \\.\Z:
The above naming convention is used close to the way the SCSI
devices are named on Linux.
/dev/tape is just used as a default name for a tape device in
the (more or less) Linux compatible header file mtio.h. That
results (even on Linux) to mt using /dev/tape as default tape
device name. Therefore, most Linux systems have /dev/tape
a symlink to the main tape device, typically /dev/st0 if a
SCSI tape is connected.
> mt -f /dev/nrmt0 status 2
>
> Positioning using (//./tape1 mounted as) /dev/nrmt0 didn't seem to leave
> the tape positioned.
>
> Should I abandon the use of mounted tape devices?
At least for now. Use the default /dev/st1 and /dev/nst1. That
effect wasn't planned, though. I will investigate it when I have
some spare time. Probably I have dropped the `leading character n'
test by mistake.
Thanks for the heads up,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Developer mailto:cygwin@cygwin.com
Red Hat, Inc.
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next prev parent reply other threads:[~2001-11-16 12:01 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-11 8:26 Corinna Vinschen
2001-11-11 8:26 ` Don Sharp
2001-11-11 8:26 ` Corinna Vinschen [this message]
2001-11-11 8:26 ` Don Sharp
2001-11-11 8:26 ` Corinna Vinschen
2001-11-11 8:26 ` Don Sharp
2001-11-11 8:26 ` Corinna Vinschen
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