1.\" $NetBSD: ld.4,v 1.18 2009/04/22 07:19:50 wiz 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.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd April 22, 2009 31.Dt LD 4 32.Os 33.Sh NAME 34.Nm ld 35.Nd logical disk driver 36.Sh SYNOPSIS 37.Cd "ld* at aac? unit ?" 38.Cd "ld* at amr? unit ?" 39.Cd "ld* at cac? unit ?" 40.Cd "ld* at icp? unit ?" 41.Cd "ld* at iop? tid ?" 42.Cd "ld* at mlx? unit ?" 43.Cd "ld* at sdmmc?" 44.Cd "ld* at twa? unit ?" 45.Cd "ld* at twe? unit ?" 46.Cd "ld* at ataraid? vendtype ? unit ?" 47.Sh DESCRIPTION 48The 49.Nm 50driver provides support for simple block devices, usually presented by a disk 51array controller. 52.Sh FILES 53.Bl -tag -width /dev/rcaXXXXX -compact 54.It Pa /dev/ld Ns Ar u Ns Ar p 55block mode disk unit 56.Ar u , 57partition 58.Ar p 59.It Pa /dev/rld Ns Ar u Ns Ar p 60raw mode disk unit 61.Ar u , 62partition 63.Ar p 64.El 65.Sh SEE ALSO 66.Xr aac 4 , 67.Xr amr 4 , 68.Xr cac 4 , 69.Xr icp 4 , 70.Xr intro 4 , 71.Xr iop 4 , 72.Xr mlx 4 , 73.Xr sdmmc 4 , 74.Xr twa 4 , 75.Xr twe 4 76.Sh HISTORY 77The 78.Nm 79driver first appeared in 80.Nx 1.5.3 . 81.Sh BUGS 82The capacity and geometry of units as accessed through the 83.Nm 84driver may be different than when accessed through some other 85medium (e.g. 86.Tn SCSI ) . 87