1.\" $NetBSD: ld.4,v 1.20 2016/05/01 10:21:01 nonaka 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 nvme? nsid ?" 45.Cd "ld* at sdmmc?" 46.Cd "ld* at twa? unit ?" 47.Cd "ld* at twe? unit ?" 48.Cd "ld* at virtio?" 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for simple block devices, usually presented by a disk 53array controller. 54.Sh FILES 55.Bl -tag -width /dev/rcaXXXXX -compact 56.It Pa /dev/ld Ns Ar u Ns Ar p 57block mode disk unit 58.Ar u , 59partition 60.Ar p 61.It Pa /dev/rld Ns Ar u Ns Ar p 62raw mode disk unit 63.Ar u , 64partition 65.Ar p 66.El 67.Sh SEE ALSO 68.Xr aac 4 , 69.Xr amr 4 , 70.Xr cac 4 , 71.Xr icp 4 , 72.Xr intro 4 , 73.Xr iop 4 , 74.Xr mlx 4 , 75.Xr nvme 4 , 76.Xr sdmmc 4 , 77.Xr twa 4 , 78.Xr twe 4 , 79.Xr virtio 4 80.Sh HISTORY 81The 82.Nm 83driver first appeared in 84.Nx 1.5.3 . 85.Sh BUGS 86The capacity and geometry of units as accessed through the 87.Nm 88driver may be different than when accessed through some other 89medium (e.g. 90.Tn SCSI ) . 91