95 lines
2.9 KiB
Groff
95 lines
2.9 KiB
Groff
.\" $NetBSD: iscsid.8,v 1.9 2013/07/20 21:39:58 wiz Exp $
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.\"
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.\" Copyright (c) 2011 Alistair Crooks <agc@NetBSD.org>
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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 ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd May 27, 2012
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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 interface to kernel iSCSI driver
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.Sh SYNOPSIS
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.Nm
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.Op Fl n
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.Op Fl d Ar lvl
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.Sh DESCRIPTION
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The iSCSI initiator runs as a kernel driver, and provides access
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to iSCSI targets running across a network using the iSCSI protocol,
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RFC 3270.
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The
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.Nm
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utility itself interfaces to the kernel iSCSI driver, and also
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communicates, using
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.Xr isns 3 ,
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with the iSCSI name service running on other hosts
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to locate services and iSCSI instances.
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In normal operation,
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.Nm
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is a standard daemon, and will detach from the controlling
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terminal using
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.Xr daemon 3
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and then loops, reading requests, processing them,
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and sending responses.
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Communication takes place over a
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Unix domain socket.
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.Nm
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exits on receiving a terminate message,
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(no response to one that is sent to the kernel),
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or when an error occurs reading from or writing to the socket.
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.Pp
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The
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.Fl d
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flag increases the debug level to
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.Ar lvl .
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Any level above 0 causes
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.Nm
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to remain in the foreground, and increases the amount of debug output.
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The
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.Fl n
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flag makes the daemon single-threaded.
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.Pp
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It is envisaged that user-level communication take place with
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.Nm
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using the
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.Xr iscsictl 8
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utility, rather than directly over its communication socket.
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An example of setting up the in-kernel iSCSI initiator
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is shown in
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.Xr iscsictl 8 .
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.Sh SEE ALSO
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.Xr daemon 3 ,
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.Xr isns 3 ,
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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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utility appeared in
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.Nx 6.0 .
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.Sh AUTHORS
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.An Alistair Crooks Aq Mt agc@NetBSD.org
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wrote this manual page.
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The
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.Nm
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utility was contributed by Wasabi Systems, Inc.
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