1.\" $NetBSD: mfii.4,v 1.2 2018/11/24 20:31:29 wiz Exp $ 2.\" $OpenBSD: mfii.4,v 1.7 2018/03/27 07:01:42 jsg Exp $ 3.\" 4.\" Copyright (c) 2012 David Gwynne <dlg@openbsd.org> 5.\" 6.\" Permission to use, copy, modify, and distribute this software for any 7.\" purpose with or without fee is hereby granted, provided that the above 8.\" copyright notice and this permission notice appear in all copies. 9.\" 10.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17.\" 18.Dd March 27, 2018 19.Dt MFII 4 20.Os 21.Sh NAME 22.Nm mfii 23.Nd LSI Logic MegaRAID SAS Fusion RAID controller 24.Sh SYNOPSIS 25.Cd "mfii* at pci?" 26.Sh DESCRIPTION 27The 28.Nm 29driver provides support for the MegaRAID SAS Fusion family of RAID controllers 30using the following chipsets: 31.Pp 32.Bl -dash -offset indent -compact 33.It 34SAS2208 35.It 36SAS3008 37.It 38SAS3108 39.It 40SAS3404 41.It 42SAS3408 43.It 44SAS3416 45.It 46SAS3504 47.It 48SAS3508 49.It 50SAS3516 51.El 52.Pp 53These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and 54RAID 60 using either SAS or SATA II drives. 55.Pp 56Although the controllers are actual RAID controllers, 57they appear as SCSI controllers. 58All RAID configuration is done through the controllers' BIOSes. 59.Pp 60.Nm 61supports monitoring of the logical disks in the controller through the 62.Xr bioctl 8 63and 64.Xr envstat 8 65commands. 66.Sh EVENTS 67The 68.Nm 69driver is able to send events to 70.Xr powerd 8 71if a logical drive in the controller is not online. 72The 73.Em state-changed 74event will be sent to the 75.Pa /etc/powerd/scripts/sensor_drive 76script when such condition happens. 77.Sh SEE ALSO 78.Xr bio 4 , 79.Xr intro 4 , 80.Xr pci 4 , 81.Xr scsi 4 , 82.Xr sd 4 , 83.Xr bioctl 8 , 84.Xr envstat 8 , 85.Xr powerd 8 86.Sh HISTORY 87The 88.Nm 89driver first appeared in 90.Ox 5.3 91and 92.Nx 8.0 . 93.Sh AUTHORS 94.An -nosplit 95The 96.Nm 97driver was written by 98.An David Gwynne Aq Mt dlg@openbsd.org . 99