.\"	$NetBSD: ld.4,v 1.20 2016/05/01 10:21:01 nonaka Exp $
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.\" by Andrew Doran.
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.Dd November 5, 2011
.Dt LD 4
.Os
.Sh NAME
.Nm ld
.Nd logical disk driver
.Sh SYNOPSIS
.Cd "ld* at aac? unit ?"
.Cd "ld* at amr? unit ?"
.Cd "ld* at ataraid? vendtype ? unit ?"
.Cd "ld* at cac? unit ?"
.Cd "ld* at icp? unit ?"
.Cd "ld* at iop? tid ?"
.Cd "ld* at mlx? unit ?"
.Cd "ld* at nvme? nsid ?"
.Cd "ld* at sdmmc?"
.Cd "ld* at twa? unit ?"
.Cd "ld* at twe? unit ?"
.Cd "ld* at virtio?"
.Sh DESCRIPTION
The
.Nm
driver provides support for simple block devices, usually presented by a disk
array controller.
.Sh FILES
.Bl -tag -width /dev/rcaXXXXX -compact
.It Pa /dev/ld Ns Ar u Ns Ar p
block mode disk unit
.Ar u ,
partition
.Ar p
.It Pa /dev/rld Ns Ar u Ns Ar p
raw mode disk unit
.Ar u ,
partition
.Ar p
.El
.Sh SEE ALSO
.Xr aac 4 ,
.Xr amr 4 ,
.Xr cac 4 ,
.Xr icp 4 ,
.Xr intro 4 ,
.Xr iop 4 ,
.Xr mlx 4 ,
.Xr nvme 4 ,
.Xr sdmmc 4 ,
.Xr twa 4 ,
.Xr twe 4 ,
.Xr virtio 4
.Sh HISTORY
The
.Nm
driver first appeared in
.Nx 1.5.3 .
.Sh BUGS
The capacity and geometry of units as accessed through the
.Nm
driver may be different than when accessed through some other
medium (e.g.
.Tn SCSI ) .