cac.4 revision 1.18
$OpenBSD: cac.4,v 1.18 2006/09/01 09:58:09 jmc Exp $

Michael Shalayeff, 2000. Public Domain.

.Dd December 17, 2000 .Dt CAC 4 .Os .Sh NAME .Nm cac .Nd Compaq Smart ARRAY 2/3/4 SCSI RAID controller .Sh SYNOPSIS .Cd "cac* at pci?" .Cd "cac* at eisa?" .Cd "scsibus* at cac?" .Sh DESCRIPTION The .Nm driver provides support for the following RAID controllers:

p l -bullet -offset indent -compact t Compaq Integrated Array t Compaq IAES t Compaq IDA t Compaq IDA-2 t Compaq RAID LC2 t Compaq Smart ARRAY 221 t Compaq Smart ARRAY 3100ES t Compaq Smart ARRAY 3200 t Compaq Smart ARRAY 4200 t Compaq Smart ARRAY 4250ES t Compaq Smart ARRAY 431 t Compaq SMART t Compaq SMART-2/E t Compaq SMART-2/P t Compaq SMART-2DH t Compaq SMART-2SL .El

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 eisa 4 , .Xr intro 4 , .Xr pci 4 , .Xr scsi 4 , .Xr sd 4 .Sh HISTORY The .Nm driver first appeared in .Ox 2.9 . .Sh AUTHORS .An -nosplit 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 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.