1.\" Copyright (c) 2005 Scott Long 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/arcmsr.4,v 1.6 2008/03/28 23:25:58 brueffer Exp $ 26.\" 27.Dd April 7, 2012 28.Dt ARCMSR 4 29.Os 30.Sh NAME 31.Nm arcmsr 32.Nd Areca SATA II RAID Controller driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your 36kernel configuration file: 37.Bd -ragged -offset indent 38.Cd "device pci" 39.Cd "device scbus" 40.Cd "device da" 41.Cd "device arcmsr" 42.Ed 43.Pp 44Alternatively, to load the driver as a 45module at boot time, place the following line in 46.Xr loader.conf 5 : 47.Bd -literal -offset indent 48arcmsr_load="YES" 49.Ed 50.Sh DESCRIPTION 51The 52.Nm 53driver provides support for the Areca ARC-11xx and ARC-12xx series of SATA II 54RAID controllers. 55These controllers feature RAID-0, 1, 3, 5, 6, and 10 and 56JBOD acceleration for up to 16 SATA drives. 57Raid level and stripe level 58migration, online capacity expansion, hot insertion/removal, automatic failover 59and rebuild, and SMART are also supported. 60Access to the arrays is provided 61via the SCSI CAM 62.Pa /dev/da? 63device nodes. 64A management interface is also present via the 65.Pa /dev/arcmsr? 66device node. 67Management tools for i386 and amd64 are available from Areca. 68.Sh LOADER TUNABLES 69.Bl -tag -width indent 70.It Va hw.arcmsr.msi.enable 71By default, the driver will use MSI if it is supported. 72This behavior can be turned off by setting this tunable to 0. 73.El 74.Sh HARDWARE 75The 76.Nm 77driver supports the following cards: 78.Pp 79.Bl -bullet -compact 80.It 81ARC-1110 82.It 83ARC-1120 84.It 85ARC-1130 86.It 87ARC-1160 88.It 89ARC-1170 90.It 91ARC-1180 92.It 93ARC-1110ML 94.It 95ARC-1120ML 96.It 97ARC-1130ML 98.It 99ARC-1160ML 100.It 101ARC-1210 102.It 103ARC-1220 104.It 105ARC-1230 106.It 107ARC-1260 108.It 109ARC-1280 110.It 111ARC-1210ML 112.It 113ARC-1220ML 114.It 115ARC-1231ML 116.It 117ARC-1261ML 118.It 119ARC-1280ML 120.It 121ARC-1680i 122.It 123ARC-1680x 124.It 125ARC-1680ix 126.It 127ARC-1680ixl 128.It 129ARC-1680LP 130.It 131ARC-1880i 132.It 133ARC-1880x 134.It 135ARC-1880ix 136.It 137ARC-1880ixl 138.El 139.Sh FILES 140.Bl -tag -width ".Pa /dev/arcmsr?" -compact 141.It Pa /dev/da? 142Array block device 143.It Pa /dev/arcmsr? 144Management interface 145.El 146.Sh SEE ALSO 147.Xr da 4 , 148.Xr scbus 4 149.Sh HISTORY 150The 151.Nm 152driver first appeared in 153.Fx 5.4 . 154.Sh AUTHORS 155The driver was written by 156.An Erich Chen Aq erich@areca.com.tw . 157.Sh BUGS 158The driver has been tested on i386 and amd64. 159It likely requires additional 160work to function on big-endian architectures. 161