2009-08-13 23:18:45 +00:00
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.\" Copyright (c) 2008, 2009 Yahoo!, Inc.
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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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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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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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2011-09-02 16:00:51 +00:00
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.Dd September 2, 2011
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2009-08-17 06:15:08 +00:00
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.Dt MFIUTIL 8
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2009-08-13 23:18:45 +00:00
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.Os
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.Sh NAME
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.Nm mfiutil
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.Nd Utility for managing LSI MegaRAID SAS controllers
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.Sh SYNOPSIS
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.Nm
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.Cm version
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.Nm
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.Op Fl u Ar unit
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.Cm show adapter
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.Nm
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.Op Fl u Ar unit
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.Cm show battery
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.Nm
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2011-06-20 21:28:50 +00:00
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.Op Fl d
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.Op Fl e
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2009-08-13 23:18:45 +00:00
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.Op Fl u Ar unit
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.Cm show config
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.Nm
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.Op Fl u Ar unit
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.Cm show drives
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.Nm
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.Op Fl u Ar unit
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.Cm show events
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.Op Fl c Ar class
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.Op Fl l Ar locale
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.Op Fl n Ar count
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.Op Fl v
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.Op Ar start Op Ar stop
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.Nm
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.Op Fl u Ar unit
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.Cm show firmware
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.Nm
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.Op Fl u Ar unit
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2013-06-08 02:54:59 +00:00
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.Cm show foreign Op Ar volume
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.Nm
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.Op Fl u Ar unit
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2009-08-13 23:18:45 +00:00
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.Cm show logstate
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.Nm
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2011-06-20 21:28:50 +00:00
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.Op Fl d
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.Op Fl e
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2009-08-13 23:18:45 +00:00
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.Op Fl u Ar unit
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.Cm show patrol
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.Nm
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2011-06-20 21:28:50 +00:00
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.Op Fl d
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.Op Fl e
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2009-08-13 23:18:45 +00:00
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.Op Fl u Ar unit
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2011-04-29 14:06:37 +00:00
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.Cm show progress
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.Nm
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.Op Fl u Ar unit
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2009-08-13 23:18:45 +00:00
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.Cm show volumes
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.Nm
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.Op Fl u Ar unit
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.Cm fail Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm good Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm drive progress Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm drive clear Ar drive Brq "start | stop"
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.Nm
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.Op Fl u Ar unit
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.Cm start rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm abort rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm locate Ar drive Brq "on | off"
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.Nm
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.Op Fl u Ar unit
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2011-09-02 16:00:51 +00:00
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.Cm cache Ar volume Op Ar setting Oo Ar value Oc Op ...
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2009-08-13 23:18:45 +00:00
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.Nm
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.Op Fl u Ar unit
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.Cm name Ar volume Ar name
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.Nm
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.Op Fl u Ar unit
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.Cm volume progress Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm clear
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.Nm
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.Op Fl u Ar unit
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.Cm create Ar type
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.Op Fl v
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.Op Fl s Ar stripe_size
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.Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Op Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Nm
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.Op Fl u Ar unit
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.Cm delete Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm add Ar drive Op Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm remove Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm start patrol
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.Nm
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.Op Fl u Ar unit
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.Cm stop patrol
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.Nm
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.Op Fl u Ar unit
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.Cm patrol Ar command Op Ar interval Op Ar start
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.Nm
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.Op Fl u Ar unit
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2013-06-08 02:54:59 +00:00
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.Cm foreign scan
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.Nm
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.Op Fl u Ar unit
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.Cm foreign clear Op Ar config
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.Nm
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.Op Fl u Ar unit
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.Cm foreign diag Op Ar config
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.Nm
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.Op Fl u Ar unit
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.Cm foreign preview Op Ar config
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.Nm
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.Op Fl u Ar unit
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.Cm foreign import Op Ar config
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.Nm
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.Op Fl u Ar unit
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2009-08-13 23:18:45 +00:00
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.Cm flash Ar file
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2013-04-08 17:46:45 +00:00
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.Nm
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.Op Fl u Ar unit
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.Cm start learn
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.Nm
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.Op Fl u Ar unit
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.Cm bbu Ar setting Ar value
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2009-08-13 23:18:45 +00:00
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.Sh DESCRIPTION
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The
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.Nm
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utility can be used to display or modify various parameters on LSI
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MegaRAID SAS RAID controllers.
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Each invocation of
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.Nm
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consists of zero or more global options followed by a command.
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Commands may support additional optional or required arguments after the
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command.
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.Pp
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Currently one global option is supported:
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.Bl -tag -width indent
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.It Fl u Ar unit
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.Ar unit
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specifies the unit of the controller to work with.
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If no unit is specified,
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then unit 0 is used.
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.El
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.Pp
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2011-06-20 21:28:50 +00:00
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Various commands accept either or both of the two options:
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.Bl -tag -width indent
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.It Fl d
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Print numeric device IDs as drive identifier.
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This is the default.
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Useful in combination with
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.Fl e
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to print both, numeric device IDs and enclosure:slot information.
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.It Fl e
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Print drive identifiers in enclosure:slot form.
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See next paragraph on format details in context of input rather than
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output.
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.El
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2009-08-13 23:18:45 +00:00
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.Pp
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Drives may be specified in two forms.
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First,
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a drive may be identified by its device ID.
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The device ID for configured drives can be found in
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.Cm show config .
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Second,
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a drive may be identified by its location as
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.Sm off
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.Op E Ar xx Ns \&:
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.Li S Ns Ar yy
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.Sm on
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where
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.Ar xx
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is the enclosure
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and
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.Ar yy
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is the slot for each drive as displayed in
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.Cm show drives .
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.Pp
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2011-06-20 21:28:50 +00:00
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Volumes may be specified in two forms.
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First,
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a volume may be identified by its target ID.
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Second,
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on the volume may be specified by the corresponding
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.Em mfidX
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device,
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such as
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.Em mfid0 .
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.Pp
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2009-08-13 23:18:45 +00:00
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The
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.Nm
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utility supports several different groups of commands.
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The first group of commands provide information about the controller,
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the volumes it manages, and the drives it controls.
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The second group of commands are used to manage the physical drives
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attached to the controller.
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The third group of commands are used to manage the logical volumes
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managed by the controller.
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The fourth group of commands are used to manage the drive configuration for
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the controller.
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The fifth group of commands are used to manage controller-wide operations.
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.Pp
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The informational commands include:
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.Bl -tag -width indent
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.It Cm version
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Displays the version of
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.Nm .
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.It Cm show adapter
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Displays information about the RAID controller such as the model number.
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.It Cm show battery
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Displays information about the battery from the battery backup unit.
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.It Cm show config
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Displays the volume and drive configuration for the controller.
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Each array is listed along with the physical drives the array is built from.
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Each volume is listed along with the arrays that the volume spans.
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If any hot spare drives are configured, then they are listed as well.
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.It Cm show drives
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Lists all of the physical drives attached to the controller.
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.It Xo Cm show events
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.Op Fl c Ar class
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.Op Fl l Ar locale
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.Op Fl n Ar count
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.Op Fl v
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.Op Ar start Op Ar stop
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.Xc
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Display entries from the controller's event log.
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The controller maintains a circular buffer of events.
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Each event is tagged with a class and locale.
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.Pp
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The
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.Ar class
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parameter limits the output to entries at the specified class or higher.
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The default class is
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.Dq warn .
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The available classes from lowest priority to highest are:
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2012-03-26 21:22:53 +00:00
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.Bl -tag -width indent
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2009-08-13 23:18:45 +00:00
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.It Cm debug
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Debug messages.
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.It Cm progress
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Periodic progress updates for long-running operations such as background
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initializations, array rebuilds, or patrol reads.
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.It Cm info
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Informational messages such as drive insertions and volume creations.
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.It Cm warn
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Indicates that some component may be close to failing.
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.It Cm crit
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A component has failed, but no data is lost.
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For example, a volume becoming degraded due to a drive failure.
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.It Cm fatal
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A component has failed resulting in data loss.
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.It Cm dead
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The controller itself has died.
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.El
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.Pp
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The
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.Ar locale
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parameter limits the output to entries for the specified part of the controller.
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The default locale is
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.Dq all .
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The available locales are
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.Dq volume ,
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.Dq drive ,
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2010-08-06 14:33:42 +00:00
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.Dq enclosure ,
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2009-08-13 23:18:45 +00:00
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.Dq battery ,
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.Dq sas ,
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.Dq controller ,
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.Dq config ,
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.Dq cluster ,
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and
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.Dq all .
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.Pp
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The
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.Ar count
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parameter is a debugging aid that specifies the number of events to fetch from
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the controller for each low-level request.
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The default is 15 events.
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.Pp
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By default, matching event log entries from the previous shutdown up to the
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present are displayed. This range can be adjusted via the
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.Ar start
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and
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.Ar stop
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parameters.
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Each of these parameters can either be specified as a log entry number or as
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one of the following aliases:
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2012-03-26 21:22:53 +00:00
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.Bl -tag -width indent
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2009-08-13 23:18:45 +00:00
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.It Cm newest
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The newest entry in the event log.
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.It Cm oldest
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The oldest entry in the event log.
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.It Cm clear
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The first entry since the event log was cleared.
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.It Cm shutdown
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The entry in the event log corresponding to the last time the controller was
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cleanly shut down.
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.It Cm boot
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The entry in the event log corresponding to the most recent boot.
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.El
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.It Cm show firmware
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Lists all of the firmware images present on the controller.
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2013-06-08 02:54:59 +00:00
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.It Cm show foreign
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Displays detected foreign configurations on disks for importation or removal.
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2009-08-13 23:18:45 +00:00
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.It Cm show logstate
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Display the various sequence numbers associated with the event log.
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.It Cm show patrol
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Display the status of the controller's patrol read operation.
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2011-04-29 14:06:37 +00:00
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.It Cm show progress
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Report the current progress and estimated completion time for active
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operations on all volumes and drives.
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2009-08-13 23:18:45 +00:00
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.It Cm show volumes
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Lists all of the logical volumes managed by the controller.
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.El
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.Pp
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The physical drive management commands include:
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.Bl -tag -width indent
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.It Cm fail Ar drive
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Mark
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.Ar drive
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as failed.
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.Ar Drive
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must be an online drive that is part of an array.
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.It Cm good Ar drive
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Mark
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.Ar drive
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as an unconfigured good drive.
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.Ar Drive
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must not be part of an existing array.
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.It Cm rebuild Ar drive
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Mark a failed
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.Ar drive
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that is still part of an array as a good drive suitable for a rebuild.
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The firmware should kick off an array rebuild on its own if a failed drive
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|
is marked as a rebuild drive.
|
|
|
|
.It Cm drive progress Ar drive
|
|
|
|
Report the current progress and estimated completion time of drive operations
|
|
|
|
such as rebuilds or patrol reads.
|
|
|
|
.It Cm drive clear Ar drive Brq "start | stop"
|
|
|
|
Start or stop the writing of all 0x00 characters to a drive.
|
|
|
|
.It Cm start rebuild Ar drive
|
|
|
|
Manually start a rebuild on
|
|
|
|
.Ar drive .
|
|
|
|
.It Cm abort rebuild Ar drive
|
|
|
|
Abort an in-progress rebuild operation on
|
|
|
|
.Ar drive .
|
|
|
|
It can be resumed with the
|
|
|
|
.Cm start rebuild
|
|
|
|
command.
|
|
|
|
.It Cm locate Ar drive Brq "on | off"
|
|
|
|
Change the state of the external LED associated with
|
|
|
|
.Ar drive .
|
|
|
|
.El
|
|
|
|
.Pp
|
|
|
|
The logical volume management commands include:
|
|
|
|
.Bl -tag -width indent
|
2011-09-02 16:00:51 +00:00
|
|
|
.It Cm cache Ar volume Op Ar setting Oo Ar value Oc Op ...
|
2009-08-13 23:18:45 +00:00
|
|
|
If no
|
|
|
|
.Ar setting
|
2011-09-02 16:00:51 +00:00
|
|
|
arguments are supplied, then the current cache policy for
|
2009-08-13 23:18:45 +00:00
|
|
|
.Ar volume
|
|
|
|
is displayed;
|
|
|
|
otherwise,
|
|
|
|
the cache policy for
|
|
|
|
.Ar volume
|
|
|
|
is modified.
|
2011-09-02 16:00:51 +00:00
|
|
|
One or more
|
2009-08-13 23:18:45 +00:00
|
|
|
.Ar setting
|
2011-09-02 16:00:51 +00:00
|
|
|
arguments may be given.
|
|
|
|
Some settings take an additional
|
|
|
|
.Ar value
|
|
|
|
argument as noted below.
|
|
|
|
The valid settings are:
|
2009-08-13 23:18:45 +00:00
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm enable
|
|
|
|
Enable caching for both read and write I/O operations.
|
|
|
|
.It Cm disable
|
|
|
|
Disable caching for both read and write I/O operations.
|
|
|
|
.It Cm reads
|
|
|
|
Enable caching only for read I/O operations.
|
|
|
|
.It Cm writes
|
|
|
|
Enable caching only for write I/O operations.
|
|
|
|
.It Cm write-back
|
|
|
|
Use write-back policy for cached writes.
|
|
|
|
.It Cm write-through
|
|
|
|
Use write-through policy for cached writes.
|
2011-04-05 14:19:05 +00:00
|
|
|
.It Cm read-ahead Ar value
|
2009-08-13 23:18:45 +00:00
|
|
|
Set the read ahead policy for cached reads.
|
|
|
|
The
|
|
|
|
.Ar value
|
|
|
|
argument can be set to either
|
|
|
|
.Dq none ,
|
|
|
|
.Dq adaptive ,
|
|
|
|
or
|
|
|
|
.Dq always .
|
2011-04-05 14:19:05 +00:00
|
|
|
.It Cm bad-bbu-write-cache Ar value
|
|
|
|
Control the behavior of I/O write caching if the battery is dead or
|
|
|
|
missing.
|
|
|
|
The
|
|
|
|
.Ar value
|
|
|
|
argument can be set to either
|
|
|
|
.Dq disable
|
|
|
|
or
|
|
|
|
.Dq enable .
|
|
|
|
In general this setting should be left disabled to avoid data loss when
|
|
|
|
the system loses power.
|
|
|
|
.It Cm write-cache Ar value
|
2009-08-13 23:18:45 +00:00
|
|
|
Control the write caches on the physical drives backing
|
|
|
|
.Ar volume .
|
|
|
|
The
|
|
|
|
.Ar value
|
|
|
|
argument can be set to either
|
|
|
|
.Dq disable ,
|
|
|
|
.Dq enable ,
|
|
|
|
or
|
|
|
|
.Dq default .
|
|
|
|
.Pp
|
|
|
|
In general this setting should be left disabled to avoid data loss when the
|
|
|
|
physical drives lose power.
|
|
|
|
The battery backup of the RAID controller does not save data in the write
|
|
|
|
caches of the physical drives.
|
|
|
|
.El
|
|
|
|
.It Cm name Ar volume Ar name
|
|
|
|
Sets the name of
|
|
|
|
.Ar volume
|
|
|
|
to
|
|
|
|
.Ar name .
|
|
|
|
.It Cm volume progress Ar volume
|
|
|
|
Report the current progress and estimated completion time of volume operations
|
|
|
|
such as consistency checks and initializations.
|
|
|
|
.El
|
|
|
|
.Pp
|
|
|
|
The configuration commands include:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm clear
|
|
|
|
Delete the entire configuration including all volumes, arrays, and spares.
|
|
|
|
.It Xo Cm create Ar type
|
|
|
|
.Op Fl v
|
|
|
|
.Op Fl s Ar stripe_size
|
|
|
|
.Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
|
|
|
|
.Op Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
|
|
|
|
.Xc
|
|
|
|
Create a new volume.
|
|
|
|
The
|
|
|
|
.Ar type
|
|
|
|
specifies the type of volume to create.
|
|
|
|
Currently supported types include:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm jbod
|
|
|
|
Creates a RAID0 volume for each drive specified.
|
|
|
|
Each drive must be specified as a separate argument.
|
|
|
|
.It Cm raid0
|
|
|
|
Creates one RAID0 volume spanning the drives listed in the single drive list.
|
|
|
|
.It Cm raid1
|
|
|
|
Creates one RAID1 volume spanning the drives listed in the single drive list.
|
|
|
|
.It Cm raid5
|
|
|
|
Creates one RAID5 volume spanning the drives listed in the single drive list.
|
|
|
|
.It Cm raid6
|
|
|
|
Creates one RAID6 volume spanning the drives listed in the single drive list.
|
|
|
|
.It Cm raid10
|
|
|
|
Creates one RAID10 volume spanning multiple RAID1 arrays.
|
|
|
|
The drives for each RAID1 array are specified as a single drive list.
|
|
|
|
.It Cm raid50
|
|
|
|
Creates one RAID50 volume spanning multiple RAID5 arrays.
|
|
|
|
The drives for each RAID5 array are specified as a single drive list.
|
|
|
|
.It Cm raid60
|
|
|
|
Creates one RAID60 volume spanning multiple RAID6 arrays.
|
|
|
|
The drives for each RAID6 array are specified as a single drive list.
|
|
|
|
.It Cm concat
|
|
|
|
Creates a single volume by concatenating all of the drives in the single drive
|
|
|
|
list.
|
|
|
|
.El
|
|
|
|
.Pp
|
|
|
|
.Sy Note:
|
|
|
|
Not all volume types are supported by all controllers.
|
|
|
|
.Pp
|
|
|
|
If the
|
|
|
|
.Fl v
|
|
|
|
flag is specified after
|
|
|
|
.Ar type ,
|
|
|
|
then more verbose output will be enabled.
|
|
|
|
Currently this just provides notification as drives are added to arrays and
|
|
|
|
arrays to volumes when building the configuration.
|
|
|
|
.Pp
|
|
|
|
The
|
|
|
|
.Fl s
|
|
|
|
.Ar stripe_size
|
|
|
|
parameter allows the stripe size of the array to be set.
|
|
|
|
By default a stripe size of 64K is used.
|
|
|
|
Valid values are 512 through 1M, though the MFI firmware may reject some
|
|
|
|
values.
|
|
|
|
.It Cm delete Ar volume
|
|
|
|
Delete the volume
|
|
|
|
.Ar volume .
|
|
|
|
.It Cm add Ar drive Op Ar volume
|
|
|
|
Mark
|
|
|
|
.Ar drive
|
|
|
|
as a hot spare.
|
|
|
|
.Ar Drive
|
|
|
|
must be in the unconfigured good state.
|
|
|
|
If
|
|
|
|
.Ar volume
|
|
|
|
is specified,
|
|
|
|
then the hot spare will be dedicated to arrays backing that volume.
|
|
|
|
Otherwise,
|
|
|
|
.Ar drive
|
|
|
|
will be used as a global hot spare backing all arrays for this controller.
|
|
|
|
Note that
|
|
|
|
.Ar drive
|
|
|
|
must be as large as the smallest drive in all of the arrays it is going to
|
|
|
|
back.
|
|
|
|
.It Cm remove Ar drive
|
|
|
|
Remove the hot spare
|
|
|
|
.Ar drive
|
|
|
|
from service.
|
|
|
|
It will be placed in the unconfigured good state.
|
|
|
|
.El
|
|
|
|
.Pp
|
|
|
|
The controller management commands include:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm patrol Ar command Op Ar interval Op Ar start
|
|
|
|
Set the patrol read operation mode.
|
|
|
|
The
|
|
|
|
.Ar command
|
|
|
|
argument can be one of the following values:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm disable
|
|
|
|
Disable patrol reads.
|
|
|
|
.It Cm auto
|
|
|
|
Enable periodic patrol reads initiated by the firmware.
|
|
|
|
The optional
|
|
|
|
.Ar interval
|
|
|
|
argument specifies the interval in seconds between patrol reads.
|
2010-08-01 09:37:36 +00:00
|
|
|
If patrol reads should be run continuously,
|
2009-08-13 23:18:45 +00:00
|
|
|
then
|
|
|
|
.Ar interval
|
|
|
|
should consist of the word
|
|
|
|
.Dq continuously .
|
|
|
|
The optional
|
|
|
|
.Ar start
|
|
|
|
argument specifies a non-negative, relative start time for the next patrol read.
|
|
|
|
If an interval or start time is not specified,
|
|
|
|
then the existing setting will be used.
|
|
|
|
.It Cm manual
|
|
|
|
Enable manual patrol reads that are only initiated by the user.
|
|
|
|
.El
|
|
|
|
.It Cm start patrol
|
|
|
|
Start a patrol read operation.
|
|
|
|
.It Cm stop patrol
|
|
|
|
Stop a currently running patrol read operation.
|
2013-06-08 02:54:59 +00:00
|
|
|
.It Cm foreign scan
|
|
|
|
Scan for foreign configurations and display the number found. The
|
|
|
|
.Ar config
|
|
|
|
argument for the commands below takes the form of a number from 0 to the total
|
|
|
|
configurations found.
|
|
|
|
.It Cm foreign clear Op config
|
|
|
|
Clear the specifed foreign
|
|
|
|
.Ar config
|
|
|
|
or all if no
|
|
|
|
.Ar config
|
|
|
|
argument is provided.
|
|
|
|
.It Cm foreign diag Op config
|
|
|
|
Display a diagnostic display of the specifed foreign
|
|
|
|
.Ar config
|
|
|
|
or all if no
|
|
|
|
.Ar config
|
|
|
|
argument is provided.
|
|
|
|
.It Cm foreign preview Op config
|
|
|
|
Preview the specifed foreign
|
|
|
|
.Ar config
|
|
|
|
after import or all if no
|
|
|
|
.Ar config
|
|
|
|
argument is provided.
|
|
|
|
.It Cm foreign import Op config
|
|
|
|
Import the specifed foreign
|
|
|
|
.Ar config
|
|
|
|
or all if no
|
|
|
|
.Ar config
|
|
|
|
argument is provided.
|
2009-08-13 23:18:45 +00:00
|
|
|
.It Cm flash Ar file
|
|
|
|
Updates the flash on the controller with the firmware stored in
|
|
|
|
.Ar file .
|
|
|
|
A reboot is required for the new firmware to take effect.
|
2013-04-08 17:46:45 +00:00
|
|
|
.It Cm start learn
|
|
|
|
Start a battery relearn.
|
2013-05-13 15:00:36 +00:00
|
|
|
Note that this seems to always result in the battery being completely drained,
|
|
|
|
regardless of the BBU mode.
|
|
|
|
In particular, the controller write cache will be disabled during the relearn
|
|
|
|
even if transparent learning mode is enabled.
|
2013-04-08 17:46:45 +00:00
|
|
|
.It Cm bbu Ar setting Ar value
|
|
|
|
Update battery backup unit (BBU) properties related to battery relearning.
|
|
|
|
The following settings are configurable:
|
|
|
|
.Bl -tag -width indent
|
|
|
|
.It Cm learn-delay
|
|
|
|
Add a delay to the next scheduled battery relearn event. This setting is
|
|
|
|
given in hours and must lie in the range of 0 to 255.
|
|
|
|
.It Cm autolearn-mode
|
|
|
|
Enable or disable automatic periodic battery relearning.
|
|
|
|
The setting may be set to
|
|
|
|
.Dq enable
|
|
|
|
or
|
|
|
|
.Dq disable
|
|
|
|
to respectively enable or disable the relearn cycle.
|
|
|
|
Alternatively, a mode of 0, 1 or 2 may be given.
|
|
|
|
Mode 0 enables periodic relearning, mode 1 disables it, and mode 2 disables
|
|
|
|
it and logs a warning to the event log when it detects that a battery relearn
|
|
|
|
should be performed.
|
|
|
|
.It Cm bbu-mode
|
|
|
|
Set the BBU's mode of operation. This setting is not supported by all BBUs.
|
|
|
|
Where it is supported, the possible values are the integers between 1 and 5
|
|
|
|
inclusive.
|
|
|
|
Modes 1, 2 and 3 enable a transparent learn cycle, whereas modes 4 and 5 do not.
|
|
|
|
The BBU's data retention time is greater when transparent learning is not used.
|
|
|
|
.El
|
2009-08-13 23:18:45 +00:00
|
|
|
.El
|
|
|
|
.Sh EXAMPLES
|
|
|
|
Configure the cache for volume mfid0 to cache only writes:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm cache mfid0 writes
|
|
|
|
.Dl Nm Cm cache mfid0 write-back
|
|
|
|
.Pp
|
|
|
|
Create a RAID5 array spanning the first four disks in the second enclosure:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm create raid5 e1:s0,e1:s1,e1:s2,e1:s4
|
|
|
|
.Pp
|
|
|
|
Configure the first three disks on a controller as JBOD:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm create jbod 0 1 2
|
|
|
|
.Pp
|
|
|
|
Create a RAID10 volume that spans two arrays each of which contains two disks
|
|
|
|
from two different enclosures:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm create raid10 e1:s0,e1:s1 e2:s0,e2:s1
|
|
|
|
.Pp
|
|
|
|
Add drive with the device ID of 4 as a global hot spare:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm add 4
|
|
|
|
.Pp
|
|
|
|
Add the drive in slot 2 in the main chassis as a hot spare for volume mfid0:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm add s2 mfid0
|
|
|
|
.Pp
|
|
|
|
Configure the adapter to run periodic patrol reads once a week with the first
|
|
|
|
patrol read starting in 5 minutes:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm patrol auto 604800 300
|
2013-06-08 02:54:59 +00:00
|
|
|
.Pp
|
|
|
|
Display the second detected foreign configuration:
|
|
|
|
.Pp
|
|
|
|
.Dl Nm Cm show foreign 1
|
2009-08-13 23:18:45 +00:00
|
|
|
.Sh SEE ALSO
|
|
|
|
.Xr mfi 4
|
2009-08-17 06:11:30 +00:00
|
|
|
.Sh HISTORY
|
|
|
|
The
|
|
|
|
.Nm
|
|
|
|
utility first appeared in
|
|
|
|
.Fx 8.0 .
|