1.\" $OpenBSD: cac.4,v 1.13 2005/08/04 00:49:40 brad Exp $ 2.\" 3.\" Michael Shalayeff, 2000. Public Domain. 4.\" 5.Dd December 17, 2000 6.Dt CAC 4 7.Os 8.Sh NAME 9.Nm cac 10.Nd Compaq Smart ARRAY RAID controllers 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 -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.Sh SEE ALSO 61.Xr eisa 4 , 62.Xr intro 4 , 63.Xr pci 4 , 64.Xr scsi 4 , 65.Xr sd 4 66.Sh HISTORY 67The 68.Nm 69driver first appeared in 70.Ox 2.9 . 71.Sh AUTHORS 72The 73.Nm 74driver was written by 75.An Michael Shalayeff Aq mickey@openbsd.org , 76inspired by the 77.Nx 78driver by 79.An Andrew Doran Aq ad@netbsd.org . 80.Sh BUGS 81The card provides a mechanism to receive asynchronous notifications 82about RAID set status change and so forth, unfortunately this 83information is not public. 84.Pp 85Only a few PCI cards were tested, but others should work. 86