$OpenBSD: cac.4,v 1.7 2001/10/05 14:45:53 mpech Exp $

Copyright (c) 2000,2001 Michael Shalayeff. All rights reserved.


.Dd December 17, 2000 .Dt CAC 4 .Os .Sh NAME .Nm cac .Nd Compaq Smart ARRAY RAID controllers .Sh SYNOPSIS .Cd "cac* at pci? dev ? function ?" .Cd "cac* at eisa? slot ?" .Cd "scsibus* at cac?" .Sh DESCRIPTION The .Nm driver provides support for the following RAID controllers: .Tn Compaq Integrated Array , .Tn Compaq IAES , .Tn Compaq IDA , .Tn Compaq IDA-2 , .Tn Compaq RAID LC2 , .Tn Compaq Smart Array 221 , .Tn Compaq Smart Array 3100ES , .Tn Compaq Smart Array 3200 , .Tn Compaq Smart Array 4200 , .Tn Compaq Smart Array 4250ES , .Tn Compaq Smart Array 431 , .Tn Compaq SMART , .Tn Compaq SMART-2/E , .Tn Compaq SMART-2/P , .Tn Compaq SMART-2DH , .Tn Compaq SMART-2SL .

p All the RAID set volume management is done via the card BIOS.

p Although the controllers are actual RAID controllers the driver makes them look just like SCSI controllers. All RAID configuration is done through the controllers' BIOSes. .Sh SEE ALSO .Xr intro 4 , .Xr scsi 4 , .Xr sd 4 .Sh AUTHORS The .Nm driver was written by .An Michael Shalayeff Aq mickey@openbsd.org , inspired by the .Nx driver by .An Andrew Doran Aq ad@netbsd.org . .Sh HISTORY The .Nm driver first appeared in .Ox 2.9 . .Sh BUGS The card provides a mechanism to receive asynchronous notifications about RAID set status change and so forth, unfortunately this information is not public.

p Only a few PCI cards were tested, but others should work.