1.\" $OpenBSD: mfii.4,v 1.8 2024/02/05 19:07:45 deraadt Exp $ 2.\" 3.\" Copyright (c) 2012 David Gwynne <dlg@openbsd.org> 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: February 5 2024 $ 18.Dt MFII 4 19.Os 20.Sh NAME 21.Nm mfii 22.Nd LSI Logic MegaRAID SAS Fusion RAID controller 23.Sh SYNOPSIS 24.Cd "mfii* at pci?" 25.Sh DESCRIPTION 26The 27.Nm 28driver provides support for the MegaRAID SAS Fusion family of RAID controllers 29using the following chipsets: 30.Pp 31.Bl -dash -offset indent -compact 32.It 33SAS2208 34.It 35SAS3008 36.It 37SAS3108 38.It 39SAS3404 40.It 41SAS3408 42.It 43SAS3416 44.It 45SAS3504 46.It 47SAS3508 48.It 49SAS3516 50.It 51SAS3816 52.It 53SAS3916 54.El 55.Pp 56These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and 57RAID 60 using either SAS or SATA II drives. 58.Pp 59Although the controllers are actual RAID controllers, 60they appear as SCSI controllers. 61All RAID configuration is done through the controllers' BIOSes. 62.Sh SEE ALSO 63.Xr bio 4 , 64.Xr intro 4 , 65.Xr pci 4 , 66.Xr scsi 4 , 67.Xr sd 4 , 68.Xr bioctl 8 , 69.Xr sensorsd 8 , 70.Xr sysctl 8 71.Sh HISTORY 72The 73.Nm 74driver first appeared in 75.Ox 5.3 . 76.Sh AUTHORS 77.An -nosplit 78The 79.Nm 80driver was written by 81.An David Gwynne Aq Mt dlg@openbsd.org . 82