AAC(4)                    OpenBSD Programmer's Manual                   AAC(4)

NAME
     aac - Adaptec RAID driver

SYNOPSIS
     aac* at pci? dev ? function ?
     scsibus* at aac?

DESCRIPTION
     The aac driver provides support for Adaptec's "FSA" family of raid con-
     trollers, including the AAC2622, AAC364, AAC3642, Dell PERC 2/Si, Dell
     PERC 3/Di, Dell PERC 3/Si, Dell PERC 2/QC, Dell PERC 3/QC and HP
     NetRaid-4M models.

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

     This driver makes drives and/or RAID sets appear as sd(4).

SEE ALSO
     intro(4), scsi(4), sd(4)

AUTHORS
     The aac driver was written by Niklas Hallqvist <niklas@openbsd.org>, in-
     spired by the FreeBSD driver by
     Mike Smith <msmith@freebsd.org>.

HISTORY
     The aac driver first appeared in OpenBSD 2.9.

BUGS
     The card provides a mechanism to do online RAID set management, unfortu-
     nately the protocol is not public.

     Only Dell PERC 3/Si was tested, but others should work.

OpenBSD 2.9                    November 7, 2000                              1
