MirOS Manual: cac(4)

CAC(4)                     BSD Programmer's Manual                      CAC(4)


     cac - Compaq Smart ARRAY RAID controllers


     cac* at pci? dev ? function ?
     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.


     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 <mickey@openbsd.org>, in-
     spired by the NetBSD driver by
     Andrew Doran <ad@netbsd.org>.


     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.

MirOS BSD #10-current         December 17, 2000                              1

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