November 13, 2006 LD 4

### NAME

ld - logical disk driver

### SYNOPSIS

ld* at aac? unit ? ld* at amr? unit ? ld* at cac? unit ? ld* at icp? unit ? ld* at iop? tid ? ld* at mlx? unit ? ld* at twa? unit ? ld* at twe? unit ? ld* at ataraid? vendtype ? unit ?

### DESCRIPTION

The ld driver provides support for simple block devices, usually presented by a disk array controller.

### FILES

```/dev/ld`up
  block mode disk unit u, partition p
```/dev/rld`up
  raw mode disk unit u, partition p

### SEE ALSO

aac(4), amr(4), cac(4), icp(4), intro(4), iop(4), mlx(4), twa(4), twe(4)

### HISTORY

The ld driver first appeared in NetBSD1.5.3.

### BUGS

The capacity and geometry of units as accessed through the ld driver may be different than when accessed through some other medium (e.g. SCSI).