1.\" $NetBSD: ld.4,v 1.19 2011/11/05 09:22:44 hannken 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 November 5, 2011 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 ataraid? vendtype ? unit ?" 40.Cd "ld* at cac? unit ?" 41.Cd "ld* at icp? unit ?" 42.Cd "ld* at iop? tid ?" 43.Cd "ld* at mlx? unit ?" 44.Cd "ld* at sdmmc?" 45.Cd "ld* at twa? unit ?" 46.Cd "ld* at twe? unit ?" 47.Cd "ld* at virtio?" 48.Sh DESCRIPTION 49The 50.Nm 51driver provides support for simple block devices, usually presented by a disk 52array controller. 53.Sh FILES 54.Bl -tag -width /dev/rcaXXXXX -compact 55.It Pa /dev/ld Ns Ar u Ns Ar p 56block mode disk unit 57.Ar u , 58partition 59.Ar p 60.It Pa /dev/rld Ns Ar u Ns Ar p 61raw mode disk unit 62.Ar u , 63partition 64.Ar p 65.El 66.Sh SEE ALSO 67.Xr aac 4 , 68.Xr amr 4 , 69.Xr cac 4 , 70.Xr icp 4 , 71.Xr intro 4 , 72.Xr iop 4 , 73.Xr mlx 4 , 74.Xr sdmmc 4 , 75.Xr twa 4 , 76.Xr twe 4 , 77.Xr virtio 4 78.Sh HISTORY 79The 80.Nm 81driver first appeared in 82.Nx 1.5.3 . 83.Sh BUGS 84The capacity and geometry of units as accessed through the 85.Nm 86driver may be different than when accessed through some other 87medium (e.g. 88.Tn SCSI ) . 89