mpt_sas man page on SmartOS

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MPT_SAS(7D)							   MPT_SAS(7D)

NAME
       mpt_sas - SAS-2 host bus adapter driver

SYNOPSIS
	 scsi@unit-address

DESCRIPTION
       The mpt_sas host bus adapter driver is a nexus driver that supports the
       LSI SAS200x/2108 series of chips. These chips support  SAS/SATA	inter‐
       faces, including tagged and untagged queuing, SATA 3G/SAS 3G/SAS 6G.

   Configuration
       The   mpt_sas   driver	is   configured	  by  defining	properties  in
       mpt_sas.conf. These properties override the global SCSI	settings.  The
       mpt_sas driver supports one modifiable property:

       mpxio-disable

	   Solaris I/O multipathing is enabled or disabled on SAS devices with
	   the mpxio-disable property. Specifying mpxio-disable="no" activates
	   I/O	multipathing,  while  mpxio-disable="yes"  disables I/O multi‐
	   pathing.

	   Solaris I/O multipathing can be enabled or disabled on a  per  port
	   basis. Per port settings override the global setting for the speci‐
	   fied ports.

	   The following example shows how to disable multipathing on  port  0
	   whose parent is /pci@0,0/pci8086,2940@1c/pci1000,72@0:

	     name="mpt_sas"    parent="/pci@0,0/pci8086,2940@1c/pci1000,72@0"
	     mpxio-disable="yes";

EXAMPLES
       Example 1 Using the mpt_sas Configuration File to Disable MPXIO

       Create  a  file	called	/kernel/drv/mpt_sas.conf and add the following
       line:

	 name="mpt_sas"	   parent="/pci@0,0/pci8086,2940@1c/pci1000,72@0"
	 mpxio-disable="yes";

FILES
       /kernel/drv/mpt_sas

	   32-bit ELF kernel module

       /kernel/drv/sparcv9/mpt_sas

	   64-bit SPARC ELF kernel module

       /kernel/drv/amd64/mpt_sas

	   64-bit x86 ELF kernel module

       /kernel/drv/mpt_sas.conf

	   Optional configuration file

ATTRIBUTES
       See attributes(5) for a description of the following attributes:

       ┌───────────────┬─────────────────┐
       │ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
       ├───────────────┼─────────────────┤
       │Architecture   │ SPARC, x86	 │
       └───────────────┴─────────────────┘

SEE ALSO
       prtconf(1M),  driver.conf(4),  pci(4),  attributes(5),  scsi_abort(9F),
       scsi_device(9S),	      scsi_extended_sense(9S),	     scsi_inquiry(9S),
       scsi_hba_attach_setup(9F),    scsi_ifgetcap(9F),	    scsi_ifsetcap(9F),
       scsi_pkt(9S), scsi_reset(9F), scsi_sync_pkt(9F), scsi_transport(9F),

				 Jul 16, 2009			   MPT_SAS(7D)
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