Michael Shalayeff, 2000. Public Domain.
.Dd $Mdocdate: October 29 2008 $ .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.
p Monitoring status for the volume and drives in it is done through the .Xr bioctl 8 utility; the current status is provided by the .Xr sysctl 8 variable .Va hw.sensors . .Sh SEE ALSO .Xr bio 4 , .Xr eisa 4 , .Xr intro 4 , .Xr pci 4 , .Xr scsi 4 , .Xr sd 4 , .Xr bioctl 8 , .Xr sensorsd 8 , .Xr sysctl 8 .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 .