stc(4)
NAME
stc − TZK50 (VAXstation TK50) magtape interface
SYNTAX
controller stc0 at uba0 csr 0x200c0080 vector stintr
tape st0 at stc0 drive 0
DESCRIPTION
The TZK50/TK50 combination provides a standard tape drive interface as described in mtio(4). The TZK50 is supported only on the VAXstation 2000, and the MicroVAX 2000. This driver also supports n-buffered reads and writes to the raw tape interface (used with streaming tape drives). See nbuf(4) for further details.
DIAGNOSTICS
The following messages are printed at the console:
st0: arbitration failed after %d tries
After the indicated number of tries, we have given up trying to arbitrate for the TK50 bus.
st0: device failed to select
The host was not able to select the TK50 device on the bus.
st0: device failed to reselect
The host was not able to reselect the TK50 device on the bus.
st0: parity error
A parity error was encountered as part of a command or status packet.
st0: bus reset
The TK50 bus has just been reset.
st0: buffer too large
A read or write was requested that exceeds the 16K maximum supported block size of this driver.
st0: aborting transfer
An error has occurred, and the request to the driver is being aborted.
st0: request sense data: xx xx xx xx xx xx xx xx xx xx
When an error occurs, the request sense data is the last command’s status sent from the TK50 controller.
st0: software error
The software has sent an illegal request to the drive.
st0: soft error, sense key = 0x%x
A non-fatal error has occurred. The sense key is part of the request sense data returned from the TK50 controller.
st0: hard error, sense key = 0x%x
A fatal error has occurred. The sense key is part of the request sense data returned from the TK50 controller.
FILES
/dev/rmt??? /dev/nrmt???