1.\" $NetBSD: mfii.4,v 1.3 2022/07/16 07:25:51 msaitoh 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 July 16, 2022 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 40SAS3216 41.It 42SAS3224 43.It 44SAS3316 45.It 46SAS3324 47.It 48SAS3404 49.It 50SAS3408 51.It 52SAS3416 53.It 54SAS3504 55.It 56SAS3508 57.It 58SAS3516 59.It 60SAS3908 61.It 62SAS3916 63.El 64.Pp 65These controllers support RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50 and 66RAID 60 using either SAS or SATA II drives. 67.Pp 68Although the controllers are actual RAID controllers, 69they appear as SCSI controllers. 70All RAID configuration is done through the controllers' BIOSes. 71.Pp 72.Nm 73supports monitoring of the logical disks in the controller through the 74.Xr bioctl 8 75and 76.Xr envstat 8 77commands. 78.Sh EVENTS 79The 80.Nm 81driver is able to send events to 82.Xr powerd 8 83if a logical drive in the controller is not online. 84The 85.Em state-changed 86event will be sent to the 87.Pa /etc/powerd/scripts/sensor_drive 88script when such condition happens. 89.Sh SEE ALSO 90.Xr bio 4 , 91.Xr intro 4 , 92.Xr pci 4 , 93.Xr scsi 4 , 94.Xr sd 4 , 95.Xr bioctl 8 , 96.Xr envstat 8 , 97.Xr powerd 8 98.Sh HISTORY 99The 100.Nm 101driver first appeared in 102.Ox 5.3 103and 104.Nx 8.0 . 105.Sh AUTHORS 106.An -nosplit 107The 108.Nm 109driver was written by 110.An David Gwynne Aq Mt dlg@openbsd.org . 111