119 lines
3.4 KiB
Groff
119 lines
3.4 KiB
Groff
.\" Copyright (c) 2007-2010 Daniel Braniss <danny@cs.huji.ac.il>
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd October 9, 2014
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.Dt ISCSI_INITIATOR 4
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.Os
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.Sh NAME
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.Nm iscsi_initiator
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.Nd kernel driver for the iSCSI protocol
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device iscsi_initiator"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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iscsi_initiator_load="YES"
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.Ed
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.Sh DESCRIPTION
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.Bf -symbolic
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This driver, along with its userspace counterpart
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.Xr iscontrol 8 ,
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is obsolete.
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Users are advised to use
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.Xr iscsi 4
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instead.
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.Ef
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.Pp
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The
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.Nm
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implements the kernel side of the Internet SCSI (iSCSI) network
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protocol standard, the user land companion is
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.Xr iscontrol 8 ,
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and permits access to remote
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.Em virtual
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SCSI devices via
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.Xr cam 4 .
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.Sh SYSCTL VARIABLES
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.Bl -tag -width ".Va net.iscsi.n.targeaddress"
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.It Va debug.iscsi_initiator
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set the debug-level, 0 means no debugging, 9 for maximum.
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.It Va net.iscsi.isid
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the initiator part of the Session Identifier.
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.It Va "kern.cam.cam_srch_hi=1"
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allow search above LUN 7 for SCSI3 and greater devices.
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.It "the following are informative only:"
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.It Va net.iscsi.driver_version
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the current version of the driver.
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.It Va net.iscsi.sessions
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the number of current active sessions.
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.It Va net.iscsi.n.targetname
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is the targe name of session
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.Em n .
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.It Va net.iscsi.n.targeaddress
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is the IP address of the target of session
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.Em n .
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.It Va net.iscsi.n.stats
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are some statistics for session
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.Em n
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.It Va net.iscsi.n.pid
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is the
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.Em "process id"
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of the userland side of session
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.Em n ,
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see
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.Xr iscontrol 8 .
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.El
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.Sh FILES
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The
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.Nm
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driver creates the following:
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.Pp
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.Bl -tag -width ".Pa /dev/iscsi%dxx" -compact
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.It Pa /dev/iscsi
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used to create new sessions.
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.It Pa /dev/iscsi%d
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for each new session.
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.El
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.Sh SEE ALSO
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.Xr cam 4 ,
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.Xr camcontrol 8 ,
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.Xr iscontrol 8
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.Sh STANDARDS
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iSCSI RFC 3720
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.\" .Sh HISTORY
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.Sh AUTHORS
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This software was written by
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.An Daniel Braniss Aq Mt danny@cs.huji.ac.il
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.Sh BUGS
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The lun discovery method is old-fashioned.
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