1.\" $OpenBSD: cac.4,v 1.7 2001/10/05 14:45:53 mpech Exp $ 2.\" 3.\" Copyright (c) 2000,2001 Michael Shalayeff. All rights reserved. 4.\" 5.\" 6.Dd December 17, 2000 7.Dt CAC 4 8.Os 9.Sh NAME 10.Nm cac 11.Nd Compaq Smart ARRAY RAID controllers 12.Sh SYNOPSIS 13.Cd "cac* at pci? dev ? function ?" 14.Cd "cac* at eisa? slot ?" 15.Cd "scsibus* at cac?" 16.Sh DESCRIPTION 17The 18.Nm 19driver provides support for the following RAID controllers: 20.Tn Compaq Integrated Array , 21.Tn Compaq IAES , 22.Tn Compaq IDA , 23.Tn Compaq IDA-2 , 24.Tn Compaq RAID LC2 , 25.Tn Compaq Smart Array 221 , 26.Tn Compaq Smart Array 3100ES , 27.Tn Compaq Smart Array 3200 , 28.Tn Compaq Smart Array 4200 , 29.Tn Compaq Smart Array 4250ES , 30.Tn Compaq Smart Array 431 , 31.Tn Compaq SMART , 32.Tn Compaq SMART-2/E , 33.Tn Compaq SMART-2/P , 34.Tn Compaq SMART-2DH , 35.Tn Compaq SMART-2SL . 36.Pp 37All the RAID set volume management is done via the card BIOS. 38.Pp 39Although the controllers are actual RAID controllers the driver makes them 40look just like SCSI controllers. 41All RAID configuration is done through the controllers' BIOSes. 42.Sh SEE ALSO 43.Xr intro 4 , 44.Xr scsi 4 , 45.Xr sd 4 46.Sh AUTHORS 47The 48.Nm 49driver was written by 50.An Michael Shalayeff Aq mickey@openbsd.org , 51inspired by the 52.Nx 53driver by 54.An Andrew Doran Aq ad@netbsd.org . 55.Sh HISTORY 56The 57.Nm 58driver first appeared in 59.Ox 2.9 . 60.Sh BUGS 61The card provides a mechanism to receive asynchronous notifications 62about RAID set status change and so forth, unfortunately this 63information is not public. 64.Pp 65Only a few PCI cards were tested, but others should work. 66