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AAC(4) Device Drivers Manual AAC(4)

aacAdaptec SAS/SATA/SCSI RAID controller

aac* at pci?
scsibus* at aac?

The aac driver provides support for Adaptec's "FSA" family of RAID controllers, including:

Adaptec AAC-2622, AAC-364, AAC-3642
Adaptec 2130S, 2200S, 2230SLP, 2410SA, 2610SA, 2810SA, 21610SA
Dell PERC 2/QC, PERC 2/Si, PERC 3/Si, PERC 3/Di
HP NetRaid-4M
IBM ServeRAID-8i/8k/8s

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

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

intro(4), scsi(4), sd(4)

The aac driver first appeared in OpenBSD 2.9.

The aac driver was written by Niklas Hallqvist ⟨⟩, inspired by the FreeBSD driver by Mike Smith ⟨⟩.

The card provides a mechanism to do online RAID set management, unfortunately the protocol is not public.

March 7, 2009 OpenBSD-5.1