NAME
ct
-
CS/80
cartridge tape interface
SYNOPSIS
ct0 at hpibbus? slave ?
DESCRIPTION
The cartridge tape interface as found in the 7946 and 9144 products
provides a standard tape drive interface as described in
mtio(4)
with the following exceptions:
-
There is only one density.
-
Only the
``raw''
interface is supported.
-
The
MTIOCTOP
ioctl(2)
is limited.
In particular, the command,
MTFSR
is not supported.
-
The
MTIOCGET
ioctl(2)
is not supported.
-
The record size for read and write operations must be between
1K and 64K inclusive.
Special files
rct0
through
rct3
refer to rewind on close interfaces to drives 0 to 3.
Files
rct4
through
rct7
refer to no-rewind interfaces.
Files
rct8
through
rct11
refer to streaming rewind on close interfaces. (Only 9144 type devices
can stream.)
Lastly,
rct12
through
rct15
refer to streaming no-rewind interfaces.
SEE ALSO
mt(1),
tar(1),
mtio(4)
BUGS
Read and writes of less than 1024 bytes will not behave as expected.