193 lines
5.3 KiB
Groff
193 lines
5.3 KiB
Groff
.\" $NetBSD: ccdconfig.8,v 1.12 1998/07/31 01:34:20 thorpej Exp $
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.\"
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.\" Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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.\"
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.\" This code is derived from software contributed to The NetBSD Foundation
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.\" by Jason R. Thorpe.
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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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the NetBSD
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.\" Foundation, Inc. and its contributors.
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.\" 4. Neither the name of The NetBSD Foundation nor the names of its
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.\" contributors may be used to endorse or promote products derived
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.\" from this software without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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.\" POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd July 17, 1995
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.Dt CCDCONFIG 8
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.Os NetBSD
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.Sh NAME
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.Nm ccdconfig
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.Nd configuration utility for the concatenated disk driver
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.Sh SYNOPSIS
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.Nm
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.Op Fl cv
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.Ar ccd
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.Ar ileave
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.Op Ar flags
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.Ar dev
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.Op Ar ...
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.Nm ""
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.Fl C
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.Op Fl v
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.Op Fl f Ar config_file
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.Nm ""
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.Fl u
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.Op Fl v
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.Ar ccd
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.Op Ar ...
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.Nm ""
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.Fl U
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.Op Fl v
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.Op Fl f Ar config_file
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.Nm ""
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.Fl g
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.Op Fl M Ar core
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.Op Fl N Ar system
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.Oo
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.Ar ccd Oo ...
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.Oc
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.Oc
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.Sh DESCRIPTION
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.Nm
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is used to dynamically configure and unconfigure concatenated disk
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devices, or ccds. For more information about the ccd, see
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.Xr ccd 4 .
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl c
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Configure a ccd. This is the default behavior of
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.Nm "" .
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.It Fl C
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Configure all ccd devices listed in the ccd configuration file.
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.It Fl f Ar config_file
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When configuring or unconfiguring all devices, read the file
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.Pa config_file
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instead of the default
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.Pa /etc/ccd.conf .
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.It Fl g
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Dump the current ccd configuration in a format suitable for use as the
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ccd configuration file. If no arguments are specified, every configured
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ccd is dumped. Otherwise, the configuration of each listed ccd is dumped.
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.It Fl M Ar core
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Extract values associated with the name list from
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.Pa core
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instead of the default
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.Pa /dev/mem .
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.It Fl N Ar system
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Extract the name list from
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.Pa system
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instead of the default
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.Pa /netbsd .
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.It Fl u
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Unconfigure a ccd.
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.It Fl U
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Unconfigure all ccd devices listed the ccd configuration file.
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.It Fl v
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Causes
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.Nm
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to be verbose.
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.El
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.Pp
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A ccd is described on the command line and in the ccd configuration
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file by the name of the ccd, the interleave factor, the ccd configuration
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flags, and a list of one or more devices. The flags may be represented
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as a decimal number, a hexadecimal number, a comma-separated list
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of strings, or the word
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.Dq none .
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The flags are as follows:
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.Bd -unfilled -offset indent
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.Bl -column "CCDF_UNIFORM " "0x02 " "Interleave should be dmmax"
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.Em "Symbolic Numeric Comment"
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.It CCDF_SWAP 0x01 Interleave should be dmmax
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.It CCDF_UNIFORM 0x02 Use uniform interleave
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.It CCDF_MIRROR 0x04 Enable data mirroring
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.El
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.Ed
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.Ss /etc/ccd.conf
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The file
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.Pa /etc/ccd.conf
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is used to configure
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.Nm
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if
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.Fl C
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or
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.Fl U
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is used.
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Each line of the configuration file contains arguments as per the
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.Fl c
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argument:
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.Ar ccd
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.Ar ileave
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.Op Ar flags
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.Ar dev
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.Op Ar ...
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.Pp
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A
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.Sq #
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is a comment, and everything to end of line is ignored.
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A
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.Sq \e
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at the end of a line indicates that the next line should be concatinated
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with the current.
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A
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.Sq \e
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preceeding any character (other than the end of line) prevents that
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character's special meaning from taking effect.
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.Pp
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See
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.Sx EXAMPLE
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for an example of
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.Pa /etc/ccd.conf .
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.Sh EXAMPLE
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The following command, executed from the command line, would configure ccd0
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with 4 components (/dev/sd2e, /dev/sd3e, /dev/sd4e, /dev/sd5e), and an
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interleave factor of 32 blocks.
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.Bd -unfilled -offset indent
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# ccdconfig ccd0 32 0 /dev/sd2e /dev/sd3e /dev/sd4e /dev/sd5e
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.Ed
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.Pp
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An example
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.Pa /etc/ccd.conf :
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.Bd -unfilled -offset indent
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#
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# /etc/ccd.conf
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# Configuration file for concatenated disk devices
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#
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.Pp
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# ccd ileave flags component devices
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ccd0 16 none /dev/sd2e /dev/sd3e
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.Ed
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.Sh FILES
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/etc/ccd.conf - default ccd configuration file.
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.Sh SEE ALSO
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.Xr ccd 4 ,
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.Xr rc 8
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.Sh HISTORY
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The
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.Nm
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command first appeared in
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.Nx 1.1 .
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