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man pages section 7: Device and Network Interfaces Oracle Solaris 11.1 Information Library |
- SAS-2 host bus adapter driver
scsi@unit-address
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 interfaces, including tagged and untagged queuing, SATA 3G/SAS 3G/SAS 6G. The mpt_sas driver supports the following Dell cards: PERC H200 Integrated, PERC H200 Adapter, PERC H200 Modular, and 6Gbps SAS HBA.
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:
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 multipathing.
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.
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";
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";
64-bit SPARC ELF kernel module
64-bit x86 ELF kernel module
Optional configuration file
See attributes(5) for a description of the following attributes:
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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),