ba165a31b3
discovery without attaching to the targets ("iscsictl -Ad ... -e off"),
and then attach to selected ones ("iscsictl -Mi ... -e on").
PR: 204129
MFC after: 1 month
Relnotes: yes
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D6633
224 lines
5.5 KiB
Groff
224 lines
5.5 KiB
Groff
.\" Copyright (c) 2012 The FreeBSD Foundation
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.\" All rights reserved.
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.\"
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.\" This software was developed by Edward Tomasz Napierala under sponsorship
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.\" from the FreeBSD Foundation.
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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 AUTHORS 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 AUTHORS 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 May 6, 2016
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.Dt ISCSICTL 8
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.Os
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.Sh NAME
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.Nm iscsictl
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.Nd iSCSI initiator management utility
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.Sh SYNOPSIS
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.Nm
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.Fl A
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.Fl p Ar portal Fl t Ar target
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.Op Fl u Ar user Fl s Ar secret
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.Op Fl w Ar timeout
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.Op Fl r
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.Op Fl e Cm on | off
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.Nm
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.Fl A
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.Fl d Ar discovery-host
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.Op Fl u Ar user Fl s Ar secret
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.Op Fl r
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.Op Fl e Cm on | off
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.Nm
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.Fl A
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.Fl a Op Fl c Ar path
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.Nm
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.Fl A
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.Fl n Ar nickname Op Fl c Ar path
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.Nm
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.Fl M
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.Fl i Ar session-id
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.Op Fl p Ar portal
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.Op Fl t Ar target
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.Op Fl u Ar user
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.Op Fl s Ar secret
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.Op Fl e Cm on | off
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.Nm
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.Fl M
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.Fl i Ar session-id
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.Op Fl n Ar nickname Op Fl c Ar path
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.Nm
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.Fl R
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.Op Fl p Ar portal
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.Op Fl t Ar target
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.Nm
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.Fl R
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.Fl a
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.Nm
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.Fl R
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.Fl n Ar nickname Op Fl c Ar path
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.Nm
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.Fl L
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.Op Fl v
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.Op Fl w Ar timeout
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.Sh DESCRIPTION
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The
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.Nm
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utility is used to configure the iSCSI initiator.
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.Pp
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The following options are available:
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.Bl -tag -width ".Fl A"
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.It Fl -libxo
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Generate output via
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.Xr libxo 3
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in a selection of different human and machine readable formats.
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See
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.Xr xo_parse_args 3
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for details on command line arguments.
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.It Fl A
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Add session.
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.It Fl M
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Modify session.
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.It Fl R
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Remove session.
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.It Fl L
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List sessions.
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.It Fl a
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When adding, add all sessions defined in the configuration file.
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When removing, remove all currently established sessions.
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.It Fl c
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Path to the configuration file.
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The default is
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.Pa /etc/iscsi.conf .
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.It Fl d
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Target host name or address used for SendTargets discovery.
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When used, it will add a temporary discovery session.
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After discovery is done, sessions will be added for each discovered target,
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and the temporary discovery session will be removed.
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.It Fl e
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Enable or disable the session.
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This is ignored for discovery sessions, but gets passed down to normal
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sessions they add.
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.It Fl i
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Session ID, as displayed by
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.Nm
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.Fl v .
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.It Fl n
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The "nickname" of session defined in the configuration file.
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.It Fl p
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Target portal - host name or address - for statically defined targets.
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.It Fl r
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Use iSER (iSCSI over RDMA) instead of plain iSCSI over TCP/IP.
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.It Fl s
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CHAP secret.
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.It Fl t
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Target name.
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.It Fl u
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CHAP login.
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.It Fl v
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Verbose mode.
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.It Fl w
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Instead of returning immediately, wait up to
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.Ar timeout
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seconds until all configured sessions are successfully established.
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.El
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.Pp
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Certain parameters are necessary when adding a session.
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One can specify these either via command line (using the
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.Fl t ,
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.Fl p ,
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.Fl u ,
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and
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.Fl s
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options), or configuration file (using the
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.Fl a
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or
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.Fl n
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options).
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Some functionality - for example mutual CHAP - is available only
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via configuration file.
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.Pp
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Since connecting to the target is performed in background, non-zero
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exit status does not mean that the session was successfully established.
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Use either
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.Nm Fl L
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to check the connection status, or the
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.Fl w
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flag to wait for session establishment.
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.Pp
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Note that in order for the iSCSI initiator to be able to connect to a target,
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the
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.Xr iscsid 8
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daemon must be running.
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.Pp
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Also note that
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.Fx
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currently supports two different initiators: the old one,
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.Xr iscsi_initiator 4 ,
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with its control utility
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.Xr iscontrol 8 ,
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and the new one,
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.Xr iscsi 4 ,
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with
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.Nm
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and
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.Xr iscsid 8 .
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The only thing the two have in common is the configuration file,
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.Xr iscsi.conf 5 .
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.Sh FILES
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.Bl -tag -width ".Pa /etc/iscsi.conf" -compact
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.It Pa /etc/iscsi.conf
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iSCSI initiator configuration file.
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.El
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.Sh EXIT STATUS
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The
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.Nm
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utility exits 0 on success, and >0 if an error occurs.
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.Sh EXAMPLES
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Attach to target iqn.2012-06.com.example:target0, served by 192.168.1.1:
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.Dl Nm Fl A Fl t Ar iqn.2012-06.com.example:target0 Fl p Ar 192.168.1.1
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.Pp
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Perform discovery on 192.168.1.1, and add disabled sessions for each
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discovered target; use
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.Nm -M -e on
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to connect them:
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.Dl Nm Fl A Fl d Ar 192.168.1.1 Fl e Ar off
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.Pp
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Disconnect all iSCSI sessions:
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.Dl Nm Fl Ra
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.Sh SEE ALSO
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.Xr libxo 3 ,
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.Xr xo_parse_args 3 ,
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.Xr iscsi 4 ,
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.Xr iscsi.conf 5 ,
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.Xr iscsid 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Fx 10.0 .
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.Sh AUTHORS
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The
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.Nm
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utility was developed by
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.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org
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under sponsorship from the FreeBSD Foundation.
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