cac - Compaq Smart ARRAY RAID controllers
cac* at pci? dev ? function ?
cac* at eisa? slot ?
scsibus* at cac?
The cac driver provides support for the following RAID controllers:
Compaq Integrated Array, Compaq IAES, Compaq IDA, Compaq
IDA-2, Compaq
RAID LC2, Compaq Smart Array 221, Compaq Smart Array 3100ES,
Compaq Smart
Array 3200, Compaq Smart Array 4200, Compaq Smart Array
4250ES, Compaq
Smart Array 431, Compaq SMART, Compaq SMART-2/E, Compaq
SMART-2/P, Compaq
SMART-2DH, Compaq SMART-2SL.
All the RAID set volume management is done via the card
BIOS.
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.
eisa(4), intro(4), pci(4), scsi(4), sd(4)
The cac driver first appeared in OpenBSD 2.9.
The cac driver was written by Michael Shalayeff <mick[email protected]>, inspired
by the NetBSD driver by
Andrew Doran <[email protected]>.
The card provides a mechanism to receive asynchronous notifications about
RAID set status change and so forth, unfortunately this information is
not public.
Only a few PCI cards were tested, but others should work.
OpenBSD 3.6 December 17, 2000
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