tu(4) — VAX
Name
tu − TM03/TE16/TU45/TU77 magnetic tape 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(.).
The TM03/transport combination provides a standard tape drive interface, as described in mtio(.). All drives provide both 800 and 1600 bpi. The TE16 runs at 45 ips, the TU45 at 75 ips, and 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 on line
An attempt was made to access the tape while it was off line. 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 nonraw tape. When possible, the driver will have retried the operation and failed several times before reporting the error. Additional register information can be gathered from the system error log file, /usr/adm/syserr/syserr.<hostname>.
Files
/dev/rmt???
/dev/nrmt???