xref: /openbsd/share/man/man4/sym.4 (revision 4cfece93)
1.\"	$OpenBSD: sym.4,v 1.3 2013/07/16 16:05:49 schwarze Exp $
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3.\" Copyright (c) 2011 David Gwynne <dlg@openbsd.org>
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17.Dd $Mdocdate: July 16 2013 $
18.Dt SYM 4
19.Os
20.Sh NAME
21.Nm sym
22.Nd symmetric access SCSI devices
23.Sh SYNOPSIS
24.Cd "sym* at scsibus?"
25.Sh DESCRIPTION
26The
27.Nm
28driver attaches to SCSI logical units that support symmetric access,
29i.e. all paths to the device are as good as each other.
30Each path attached to by
31.Nm
32is presented to
33.Xr mpath 4
34which uses it as a backend to the logical unit attached to its own
35.Xr scsibus 4 .
36.Sh SEE ALSO
37.Xr ioctl 2 ,
38.Xr intro 4 ,
39.Xr mpath 4 ,
40.Xr scsi 4
41.Sh HISTORY
42The
43.Nm
44driver first appeared in
45.Ox 5.0 .
46.Sh AUTHORS
47.An David Gwynne Aq Mt dlg@openbsd.org .
48