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'\" te
.\" Copyright (c) 2009, Sun Microsystems, Inc. All Rights Reserved
.\" Copyright (c) 2017, Joyent, Inc.
.\" Copyright 2014, Nexenta Systems, Inc. All Rights Reserved
.\" The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License. You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
.\" or http://www.opensolaris.org/os/licensing. See the License for the specific language governing permissions and limitations under the License. When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add
.\" the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
.TH MPT_SAS 7D "Dec 15, 2017"
.SH NAME
mpt_sas \- SAS-2/3 host bus adapter driver
.SH SYNOPSIS
.in +2
.nf
scsi@unit-address
.fi
.in -2
.SH DESCRIPTION
.LP
The \fBmpt_sas\fR host bus adapter driver is a nexus driver that supports
Broadcom (formerly LSI and Avago) SAS chipsets including the SAS200x/2x08/2x16
and SAS300x/3x08/3x16/3x24 series of chips. These chips support SAS/SATA
interfaces, including tagged and untagged queuing, SATA 3G/SAS 3G/SAS 6G/SAS
12G.
.SS "Configuration"
.LP
The \fBmpt_sas\fR driver is configured by defining properties in
\fBmpt_sas.conf\fR. These properties override the global SCSI settings. The
\fBmpt_sas\fR driver supports one modifiable property:
.sp
.ne 2
.na
\fB\fBmpxio-disable\fR\fR
.ad
.sp .6
.RS 4n
Solaris I/O multipathing is enabled or disabled on SAS devices with the
\fBmpxio-disable\fR property. Specifying \fBmpxio-disable="no"\fR activates I/O
multipathing, while \fBmpxio-disable="yes"\fR disables I/O multipathing.
.sp
Solaris I/O multipathing can be enabled or disabled on a per port basis. Per
port settings override the global setting for the specified ports.
.sp
The following example shows how to disable multipathing on port 0 whose parent
is \fB/pci@0,0/pci8086,2940@1c/pci1000,72@0\fR:
.sp
.in +2
.nf
name="mpt_sas" parent="/pci@0,0/pci8086,2940@1c/pci1000,72@0"
mpxio-disable="yes";
.fi
.in -2
.RE
.SH EXAMPLES
.LP
\fBExample 1 \fRUsing the \fBmpt_sas\fR Configuration File to Disable MPXIO
.sp
.LP
Create a file called \fB/kernel/drv/mpt_sas.conf\fR and add the following line:
.sp
.in +2
.nf
name="mpt_sas" parent="/pci@0,0/pci8086,2940@1c/pci1000,72@0"
mpxio-disable="yes";
.fi
.in -2
.SH FILES
.ne 2
.na
\fB\fB/kernel/drv/mpt_sas\fR\fR
.ad
.sp .6
.RS 4n
32-bit ELF kernel module
.RE
.sp
.ne 2
.na
\fB\fB/kernel/drv/sparcv9/mpt_sas\fR\fR
.ad
.sp .6
.RS 4n
64-bit SPARC ELF kernel module
.RE
.sp
.ne 2
.na
\fB\fB/kernel/drv/amd64/mpt_sas\fR\fR
.ad
.sp .6
.RS 4n
64-bit x86 ELF kernel module
.RE
.sp
.ne 2
.na
\fB\fB/kernel/drv/mpt_sas.conf\fR\fR
.ad
.sp .6
.RS 4n
Optional configuration file
.RE
.SH ATTRIBUTES
.LP
See \fBattributes\fR(5) for a description of the following attributes:
.sp
.sp
.TS
box;
l | l
l | l .
ATTRIBUTE TYPE ATTRIBUTE VALUE
_
Architecture SPARC, x86
.TE
.SH SEE ALSO
.LP
\fBprtconf\fR(1M), \fBdriver.conf\fR(4), \fBpci\fR(4), \fBattributes\fR(5),
\fBscsi_abort\fR(9F), \fBscsi_device\fR(9S), \fBscsi_extended_sense\fR(9S),
\fBscsi_inquiry\fR(9S), \fBscsi_hba_attach_setup\fR(9F),
\fBscsi_ifgetcap\fR(9F), \fBscsi_ifsetcap\fR(9F), \fBscsi_pkt\fR(9S),
\fBscsi_reset\fR(9F), \fBscsi_sync_pkt\fR(9F), \fBscsi_transport\fR(9F),
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