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.