1.\" $NetBSD: ld.4,v 1.11 2003/05/04 16:18:32 ad Exp $ 2.\" 3.\" Copyright (c) 2000 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Andrew Doran. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. All advertising materials mentioning features or use of this software 18.\" must display the following acknowledgement: 19.\" This product includes software developed by the NetBSD 20.\" Foundation, Inc. and its contributors. 21.\" 4. Neither the name of The NetBSD Foundation nor the names of its 22.\" contributors may be used to endorse or promote products derived 23.\" from this software without specific prior written permission. 24.\" 25.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35.\" POSSIBILITY OF SUCH DAMAGE. 36.\" 37.Dd April 26, 2002 38.Dt LD 4 39.Os 40.Sh NAME 41.Nm ld 42.Nd logical disk driver 43.Sh SYNOPSIS 44.Cd ld* at aac? unit ? 45.Cd ld* at amr? unit ? 46.Cd ld* at cac? unit ? 47.Cd ld* at icp? unit ? 48.Cd ld* at iop? tid ? 49.Cd ld* at mlx? unit ? 50.Cd ld* at twe? unit ? 51.Sh DESCRIPTION 52The 53.Nm 54driver provides support for simple block devices, usually presented by a disk 55array controller. 56.Sh FILES 57.Bl -tag -width /dev/rcaXXXXX -compact 58.It Pa /dev/ld Ns Ar u Ns Ar p 59block mode disk unit 60.Ar u , 61partition 62.Ar p 63.It Pa /dev/rld Ns Ar u Ns Ar p 64raw mode disk unit 65.Ar u , 66partition 67.Ar p 68.Sm off 69.El 70.Sh SEE ALSO 71.Xr aac 4 , 72.Xr amr 4 , 73.Xr cac 4 , 74.Xr icp 4 , 75.Xr intro 4 , 76.Xr iop 4 , 77.Xr mlx 4 , 78.Xr twe 4 79.Sh HISTORY 80The 81.Nm 82driver first appeared in 83.Nx 1.5.3 . 84.Sh AUTHORS 85The 86.Nm 87driver was written by 88.An Andrew Doran 89.Aq ad@NetBSD.org . 90.Sh BUGS 91This driver is in reality a kludge intended to reduce code size and 92maintenance overheads. 93.Pp 94The capacity and geometry of units as accessed through the 95.Nm 96driver may be different than when accessed through some other 97medium (e.g. 98.Tn SCSI ) . 99