1*47674Scael.\" Copyright (c) 1980, 1991 Regents of the University of California. 2*47674Scael.\" All rights reserved. 320668Smckusick.\" 4*47674Scael.\" %sccs.include.redist.man% 520668Smckusick.\" 6*47674Scael.\" @(#)ht.4 6.3 (Berkeley) 03/27/91 7*47674Scael.\" 8*47674Scael.Dd 9*47674Scael.Dt HT 4 vax 10*47674Scael.Os BSD 4 11*47674Scael.Sh NAME 12*47674Scael.Nm ht 13*47674Scael.Nd 14*47674Scael.Tn TM-03 Ns / Tn TE-16 , 15*47674Scael.Tn TU-45 , 16*47674Scael.Tn TU-77 17*47674Scael.Tn MASSBUS 18*47674Scaelmagtape device interface: 19*47674Scael.Sh SYNOPSIS 20*47674Scael.Cd "master ht0 at mba? drive ?" 21*47674Scael.Cd "tape tu0 at ht0 slave 0" 22*47674Scael.Sh DESCRIPTION 23*47674ScaelThe 24*47674Scael.Tn TM-03 25*47674Scaeltransport combination provides a standard tape drive 2620668Smckusickinterface as described in 27*47674Scael.Xr mtio 4 . 28*47674ScaelAll drives provide both 800 and 1600 29*47674Scael.Tn BPI ; 30*47674Scaelthe 31*47674Scael.Tn TE-16 32*47674Scaelruns at 45 33*47674Scael.Tn IPS , 34*47674Scaelthe 35*47674Scael.Tn TU-45 36*47674Scaelat 75 37*47674Scael.Tn IPS , 38*47674Scaelwhile the 39*47674Scael.Tn TU-77 40*47674Scaelruns at 125 41*47674Scael.Tn IPS 42*47674Scaeland autoloads tapes. 43*47674Scael.Sh DIAGNOSTICS 44*47674Scael.Bl -diag 45*47674Scael.It tu%d: no write ring. 46*47674ScaelAn 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. 49*47674Scael.Pp 50*47674Scael.It tu%d: not online. 51*47674ScaelAn 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. 54*47674Scael.Pp 55*47674Scael.It tu%d: can't change density in mid-tape. 56*47674ScaelAn 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. 60*47674Scael.Pp 61*47674Scael.It "tu%d: hard error bn%d mbsr=%b er=%b ds=%b." 62*47674ScaelA tape error occurred 63*47674Scaelat block 64*47674Scael.Em bn ; 65*47674Scaelthe 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. 69*47674Scael.El 70*47674Scael.Sh SEE ALSO 71*47674Scael.Xr mt 1 , 72*47674Scael.Xr tar 1 , 73*47674Scael.Xr tp 1 , 74*47674Scael.Xr mtio 4 , 75*47674Scael.Xr mt 4 , 76*47674Scael.Xr physio 4 , 77*47674Scael.Xr tm 4 , 78*47674Scael.Xr ts 4 , 79*47674Scael.Xr ut 4 80*47674Scael.Sh HISTORY 81*47674ScaelAn 82*47674Scael.Nm 83*47674Scaeldriver appeared in 84*47674Scael.At v6 . 85*47674Scael.Sh BUGS 86*47674ScaelMay hang if physical (non-data) errors occur. 87