1*61599Sbostic.\" Copyright (c) 1980, 1991, 1993 2*61599Sbostic.\" The Regents of the University of California. All rights reserved. 320668Smckusick.\" 447674Scael.\" %sccs.include.redist.man% 520668Smckusick.\" 6*61599Sbostic.\" @(#)ht.4 8.1 (Berkeley) 06/05/93 747674Scael.\" 847674Scael.Dd 947674Scael.Dt HT 4 vax 1047674Scael.Os BSD 4 1147674Scael.Sh NAME 1247674Scael.Nm ht 1347674Scael.Nd 1447674Scael.Tn TM-03 Ns / Tn TE-16 , 1547674Scael.Tn TU-45 , 1647674Scael.Tn TU-77 1747674Scael.Tn MASSBUS 1847674Scaelmagtape device interface: 1947674Scael.Sh SYNOPSIS 2047674Scael.Cd "master ht0 at mba? drive ?" 2147674Scael.Cd "tape tu0 at ht0 slave 0" 2247674Scael.Sh DESCRIPTION 2347674ScaelThe 2447674Scael.Tn TM-03 2547674Scaeltransport combination provides a standard tape drive 2620668Smckusickinterface as described in 2747674Scael.Xr mtio 4 . 2847674ScaelAll drives provide both 800 and 1600 2947674Scael.Tn BPI ; 3047674Scaelthe 3147674Scael.Tn TE-16 3247674Scaelruns at 45 3347674Scael.Tn IPS , 3447674Scaelthe 3547674Scael.Tn TU-45 3647674Scaelat 75 3747674Scael.Tn IPS , 3847674Scaelwhile the 3947674Scael.Tn TU-77 4047674Scaelruns at 125 4147674Scael.Tn IPS 4247674Scaeland autoloads tapes. 4347674Scael.Sh DIAGNOSTICS 4447674Scael.Bl -diag 4547674Scael.It tu%d: no write ring. 4647674ScaelAn attempt was made to write on the tape drive 4720668Smckusickwhen no write ring was present; this message is written on the terminal of 4820668Smckusickthe user who tried to access the tape. 4947674Scael.Pp 5047674Scael.It tu%d: not online. 5147674ScaelAn attempt was made to access the tape while it 5220668Smckusickwas offline; this message is written on the terminal of the user 5320668Smckusickwho tried to access the tape. 5447674Scael.Pp 5547674Scael.It tu%d: can't change density in mid-tape. 5647674ScaelAn attempt was made to write 5720668Smckusickon a tape at a different density than is already recorded on the tape. 5820668SmckusickThis message is written on the terminal of the user who tried to switch 5920668Smckusickthe density. 6047674Scael.Pp 6147674Scael.It "tu%d: hard error bn%d mbsr=%b er=%b ds=%b." 6247674ScaelA tape error occurred 6347674Scaelat block 6447674Scael.Em bn ; 6547674Scaelthe ht error register and drive status register are 6620668Smckusickprinted in octal with the bits symbolically decoded. Any error is 6720668Smckusickfatal on non-raw tape; when possible the driver will have retried 6820668Smckusickthe operation which failed several times before reporting the error. 6947674Scael.El 7047674Scael.Sh SEE ALSO 7147674Scael.Xr mt 1 , 7247674Scael.Xr tar 1 , 7347674Scael.Xr tp 1 , 7447674Scael.Xr mtio 4 , 7547674Scael.Xr mt 4 , 7647674Scael.Xr physio 4 , 7747674Scael.Xr tm 4 , 7847674Scael.Xr ts 4 , 7947674Scael.Xr ut 4 8047674Scael.Sh HISTORY 8147674ScaelAn 8247674Scael.Nm 8347674Scaeldriver appeared in 8447674Scael.At v6 . 8547674Scael.Sh BUGS 8647674ScaelMay hang if physical (non-data) errors occur. 87