1.\" $OpenBSD: cac.4,v 1.22 2008/10/30 08:14:06 jmc Exp $ 2.\" 3.\" Michael Shalayeff, 2000. Public Domain. 4.\" 5.Dd $Mdocdate: October 30 2008 $ 6.Dt CAC 4 7.Os 8.Sh NAME 9.Nm cac 10.Nd Compaq Smart ARRAY 2/3/4 SCSI RAID controller 11.Sh SYNOPSIS 12.Cd "cac* at pci?" 13.Cd "cac* at eisa?" 14.Cd "scsibus* at cac?" 15.Sh DESCRIPTION 16The 17.Nm 18driver provides support for the following RAID controllers: 19.Pp 20.Bl -bullet -offset indent -compact 21.It 22Compaq Integrated Array 23.It 24Compaq IAES 25.It 26Compaq IDA 27.It 28Compaq IDA-2 29.It 30Compaq RAID LC2 31.It 32Compaq Smart ARRAY 221 33.It 34Compaq Smart ARRAY 3100ES 35.It 36Compaq Smart ARRAY 3200 37.It 38Compaq Smart ARRAY 4200 39.It 40Compaq Smart ARRAY 4250ES 41.It 42Compaq Smart ARRAY 431 43.It 44Compaq SMART 45.It 46Compaq SMART-2/E 47.It 48Compaq SMART-2/P 49.It 50Compaq SMART-2DH 51.It 52Compaq SMART-2SL 53.El 54.Pp 55All the RAID set volume management is done via the card BIOS. 56.Pp 57Although the controllers are actual RAID controllers the driver makes them 58look just like SCSI controllers. 59All RAID configuration is done through the controllers' BIOSes. 60.Pp 61Monitoring status for the volume and drives in it is done through the 62.Xr bioctl 8 63utility; 64the current status is provided by the 65.Xr sysctl 8 66variable 67.Va hw.sensors . 68.Sh SEE ALSO 69.Xr bio 4 , 70.Xr eisa 4 , 71.Xr intro 4 , 72.Xr pci 4 , 73.Xr scsi 4 , 74.Xr sd 4 , 75.Xr bioctl 8 , 76.Xr sensorsd 8 , 77.Xr sysctl 8 78.Sh HISTORY 79The 80.Nm 81driver first appeared in 82.Ox 2.9 . 83.Sh AUTHORS 84.An -nosplit 85The 86.Nm 87driver was written by 88.An Michael Shalayeff Aq mickey@openbsd.org , 89inspired by the 90.Nx 91driver by 92.An Andrew Doran Aq ad@netbsd.org . 93