NAME
rdac —
    Engenio/LSI RDAC SCSI
  devices
SYNOPSIS
rdac* at scsibus?
DESCRIPTION
The rdac driver attaches to Engenio/LSI
    RDAC SCSI logical units. Each path to an active service processor attached
    to by rdac is presented to
    mpath(4) which uses it as a backend to the logical unit attached to
    its own scsibus(4).
SEE ALSO
HISTORY
The rdac driver first appeared in
    OpenBSD 5.0.
AUTHORS
David Gwynne <dlg@openbsd.org>.