tu(4)
NAME
tu − TM03/TE16/TU45/TU77 MASSBUS magtape interface
SYNTAX
master ht0 at mba? drive ?
tape tu0 at ht0 slave 0
DESCRIPTION
Prior to Version 2.0, this device was referenced by ht(4).
The TM03/transport combination provides a standard tape drive interface as described in mtio(4). All drives provide both 800 and 1600 bpi; the TE16 runs at 45 ips, the TU45 at 75 ips, while the TU77 runs at 125 ips and autoloads tapes.
DIAGNOSTICS
tu%d: no write ring.
An attempt was made to write on the tape drive when no write ring was present. This message is written on the terminal of the user who tried to access the tape.
tu%d: not online.
An attempt was made to access the tape while it was offline. This message is written on the terminal of the user who tried to access the tape.
tu%d: can’t switch density in mid-tape.
An attempt was made to write on a tape at a different density than is already recorded on the tape. This message is written on the terminal of the user who tried to switch the density.
tu%d: hard error bn%d.
A tape error occurred at block bn. Any error is fatal on non-raw tape. When possible the driver will have retried the operation which failed several times before reporting the error. Additional register information may be gathered from the system error log file, /usr/adm/syserr/syserr.<hostname>.
FILES
/dev/rmt??? /dev/nrmt???