.\"	$OpenBSD: aac.4,v 1.10 2003/02/17 13:39:37 jmc Exp $
.\" 
.\" Copyright (c) 2000 Michael Smith
.\" Copyright (c) 2000 BSDi
.\" Copyright (c) 2000 Niklas Hallqvist
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\"
.Dd November 7, 2000
.Dt AAC 4
.Os
.Sh NAME
.Nm aac
.Nd Adaptec RAID driver
.Sh SYNOPSIS
.Cd "aac* at pci? dev ? function ?"
.Cd "scsibus* at aac?"
.Sh DESCRIPTION
The
.Nm
driver provides support for Adaptec's "FSA" family of RAID controllers,
including the
.Tn AAC2622 ,
.Tn AAC364 ,
.Tn AAC3642 ,
.Tn Dell PERC 2/Si ,
.Tn Dell PERC 3/Di ,
.Tn Dell PERC 3/Si ,
.Tn Dell PERC 2/QC ,
.Tn Dell PERC 3/QC and
.Tn HP NetRaid-4M
models.
.Pp
All the RAID set volume management is done via the card BIOS.
.Pp
This driver makes drives and/or RAID sets appear as
.Xr sd 4 .
.Sh SEE ALSO
.Xr intro 4 ,
.Xr scsi 4 ,
.Xr sd 4
.Sh AUTHORS
The
.Nm
driver was written by
.An Niklas Hallqvist Aq niklas@openbsd.org ,
inspired by the
.Fx
driver by
.An Mike Smith Aq msmith@freebsd.org .
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 2.9 .
.Sh BUGS
The card provides a mechanism to do online RAID set management,
unfortunately the protocol is not public.
.Pp
Only Dell PERC 3/Si was tested, but others should work.