1.\" $OpenBSD: ami.4,v 1.41 2007/05/31 19:19:49 jmc Exp $ 2.\" 3.\" Michael Shalayeff, 2001. Public Domain. 4.\" 5.Dd $Mdocdate: May 31 2007 $ 6.Dt AMI 4 7.Os 8.Sh NAME 9.Nm ami 10.Nd American Megatrends Inc. MegaRAID PATA/SATA/SCSI RAID controller 11.Sh SYNOPSIS 12.Cd "ami* at pci?" 13.Cd "scsibus* at ami?" 14.Sh DESCRIPTION 15The 16.Nm 17driver provides support for the MegaRAID family of RAID controllers, 18including: 19.Pp 20.Bl -dash -offset indent -compact 21.It 22ACER MegaRAID ROMB-2E 23.It 24Apple Xserve G5 PCI Hardware RAID Card 25.It 26Dell CERC-PATA, 27PERC 2/DC, 28PERC 2/SC, 29PERC 3/DC, 30PERC 3/DCL, 31PERC 3/QC, 32PERC 3/SC, 33PERC 4/DC, 34PERC 4/Di, 35PERC 4/SC, 36PERC 4e/DC, 37PERC 4e/Di, 38PERC 4e/SC, 39PERC 4e/Si 40.It 41FSC MegaRAID PCI Express ROMB 42.It 43Hewlett-Packard 438, 44466, 45T[567] 46.It 47Intel RAID Controller SRCS16, 48SRCS28X, 49SRCU41L, 50SRCU42E, 51SRCU42X, 52SROMBU42E, 53SRCZCRX 54.It 55LSI Logic/AMI/Symbios MegaRAID, 56523 SATA, 57i4 133 RAID, 58ATA 133-2 59Elite 1400, 60Elite 1600, 61Elite 1650, 62Enterprise 1200, 63Enterprise 1300, 64Enterprise 1400, 65Enterprise 1500, 66Enterprise 1600, 67Express 100, 68Express 200, 69Express 300, 70Express 500, 71Series 418, 72SCSI 320-0, 73SCSI 320-0X, 74SCSI 320-1, 75SCSI 320-1E, 76SCSI 320-1LP, 77SCSI 320-2, 78SCSI 320-2E, 79SCSI 320-2X, 80SCSI 320-4X, 81SATA 150-4, 82SATA 150-6, 83SATA 300-4X, 84SATA 300-8ELP, 85SATA 300-8X, 86SATA 300-8XLP 87.It 88NEC MegaRAID PCI Express ROMB 89.El 90.Pp 91These controllers support RAID 0, RAID 1, RAID 5, JBOD, 92and superpositions of those configurations. 93.Pp 94Some cards support both I2O and a so-called 95.Sq Mass Storage 96mode of operation. 97This driver only supports the 98.Sq Mass Storage 99mode; I2O mode is supported 100by the 101.Xr iop 4 102driver. 103However it is recommended to use these cards in 104.Sq Mass Storage 105mode. 106.Pp 107Although the controllers are actual RAID controllers, 108the driver makes them look just like SCSI controllers. 109All RAID configuration is done through the controllers' BIOSes. 110.Pp 111The management interface is provided through the 112.Xr bio 4 113device or one of the daughter 114.Xr sd 4 115devices as implemented in the 116.Xr bioctl 8 117utility. 118Logical disk status is exposed under the 119.Va hw.sensors 120.Xr sysctl 8 121and can be monitored using 122.Xr sensorsd 8 . 123For example: 124.Bd -literal -offset indent 125$ sysctl hw.sensors.ami0 126hw.sensors.ami0.drive0=online (sd0), OK 127hw.sensors.ami0.drive1=degraded (sd1), WARNING 128hw.sensors.ami0.drive2=failed (sd2), CRITICAL 129.Ed 130.Sh SEE ALSO 131.Xr bio 4 , 132.Xr intro 4 , 133.Xr pci 4 , 134.Xr scsi 4 , 135.Xr sd 4 , 136.Xr bioctl 8 , 137.Xr sensorsd 8 , 138.Xr sysctl 8 139.Sh HISTORY 140The 141.Nm 142driver first appeared in 143.Ox 2.9 . 144.Sh AUTHORS 145.An -nosplit 146The 147.Nm 148driver was written by 149.An Michael Shalayeff Aq mickey@openbsd.org . 150.Pp 151Management functions were implemented by 152.An Marco Peereboom Aq marco@openbsd.org . 153