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116 lines
3.6 KiB
Groff
116 lines
3.6 KiB
Groff
.\" Copyright (c) 2012 The FreeBSD Foundation
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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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.Dd May 28, 2017
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.Dt ISCSID 8
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.Os
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.Sh NAME
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.Nm iscsid
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.Nd iSCSI initiator daemon
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.Sh SYNOPSIS
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.Nm
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.Op Fl P Ar pidfile
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.Op Fl d
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.Op Fl l Ar loglevel
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.Op Fl m Ar maxproc
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.Op Fl t Ar seconds
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.Sh DESCRIPTION
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The
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.Nm
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daemon is the userspace component of the iSCSI initiator,
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responsible for performing the Login Phase
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of iSCSI connections and the SendTargets discovery.
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.Pp
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Upon startup, the
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.Nm
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daemon opens the iSCSI initiator device file and waits for requests
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from the kernel component,
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.Xr iscsi 4 .
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.Nm
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does not use any configuration files.
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All needed information is supplied by the kernel.
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.Pp
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When the
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.Nm
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daemon is not running, already established iSCSI connections continue
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to work.
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However, establishing new connections, or recovering existing ones in case
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of connection error, is not possible.
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.Pp
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The following options are available:
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.Bl -tag -width ".Fl P Ar pidfile"
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.It Fl P Ar pidfile
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Specify alternative location of a file where main process PID will be stored.
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The default location is
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.Pa /var/run/iscsid.pid .
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.It Fl d
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Debug mode.
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The daemon sends verbose debug output to standard error, and does not
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put itself in the background.
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The daemon will also not fork and will exit after processing one connection.
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This option is only intended for debugging the initiator.
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.It Fl l Ar loglevel
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Specifies debug level.
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The default is 0.
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.It Fl m Ar maxproc
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Specifies limit for concurrently running child processes handling
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connections.
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The default is 30.
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Setting it to 0 disables the limit.
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.It Fl t Ar seconds
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Specifies timeout for login session, after which the connection
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will be forcibly terminated.
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The default is 60.
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Setting it to 0 disables the timeout.
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.El
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.Sh FILES
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.Bl -tag -width ".Pa /var/run/iscsid.pid" -compact
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.It Pa /dev/iscsi
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The iSCSI initiator device file.
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.It Pa /var/run/iscsid.pid
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The default location of the
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.Nm
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PID 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 SEE ALSO
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.Xr iscsi 4 ,
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.Xr iscsictl 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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