136 lines
3.6 KiB
Groff
136 lines
3.6 KiB
Groff
.\"
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.\" Copyright (c) 2004 3ware, Inc.
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.\" Copyright (c) 2000 BSDi
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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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.\" $FreeBSD$
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.\"
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.Dd May 9, 2007
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.Dt TWA 4
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.Os
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.Sh NAME
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.Nm twa
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.Nd 3ware 9000/9500/9550/9650 series SATA RAID controllers driver
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device scbus"
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.Cd "device twa"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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twa_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for AMCC's 3ware 9000/9500/9550/9650 series
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SATA controllers.
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.Pp
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These controllers are available in 4, 8, 12 or 16-port configurations,
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and support the following RAID levels: 0, 1, 10, 5, 50.
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The device nodes for the controllers are of the form
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.Pa /dev/twa Ns Ar X ,
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where
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.Ar X
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is the controller number.
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The driver is implemented as a SCSI SIM
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under CAM, and, as such, the logical units that it controls are accessible
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via the device nodes,
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.Pa /dev/da Ns Ar Y ,
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where
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.Ar Y
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is the logical unit number.
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.Sh HARDWARE
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The
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.Nm
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driver supports the following SATA RAID controllers:
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.Pp
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.Bl -bullet -compact
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.It
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AMCC's 3ware 9500S-4LP
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.It
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AMCC's 3ware 9500S-8
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.It
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AMCC's 3ware 9500S-8MI
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.It
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AMCC's 3ware 9500S-12
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.It
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AMCC's 3ware 9500S-12MI
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.It
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AMCC's 3ware 9500SX-4LP
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.It
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AMCC's 3ware 9500SX-8LP
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.It
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AMCC's 3ware 9500SX-12
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.It
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AMCC's 3ware 9500SX-12MI
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.It
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AMCC's 3ware 9500SX-16ML
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.It
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AMCC's 3ware 9550SX-4LP
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.It
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AMCC's 3ware 9550SX-8LP
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.It
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AMCC's 3ware 9550SX-12
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.It
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AMCC's 3ware 9550SX-12MI
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.It
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AMCC's 3ware 9550SX-16ML
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.It
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AMCC's 3ware 9650SE-2LP
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.It
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AMCC's 3ware 9650SE-4LPML
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.It
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AMCC's 3ware 9650SE-8LPML
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.It
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AMCC's 3ware 9650SE-12ML
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.It
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AMCC's 3ware 9650SE-16ML
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.It
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AMCC's 3ware 9650SE-24M8
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.El
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.Sh DIAGNOSTICS
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Whenever the driver encounters a command failure, it prints out an error code in
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the format:
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.Qq Li "ERROR: (<error source>: <error code>):" ,
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followed by a text description of the error.
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There are other error messages and warnings that the
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driver prints out, depending on the kinds of errors that it encounters.
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If the driver is compiled with
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.Dv TWA_DEBUG
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defined, it prints out a whole bunch of debug
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messages, the quantity of which varies depending on the value assigned to
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.Dv TWA_DEBUG
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(0 to 10).
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.Sh AUTHORS
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The
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.Nm
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driver and manpage were written by
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.An Vinod Kashyap Aq Mt vkashyap@FreeBSD.org .
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