Installation and Reference Guide for HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00 (AA-RW8AD-TE, March 2008)

CManagingMPIOdevicesusing
Microsoft-provided interfa ces on
Windows Server 2008
This appendix describes how to manage M PIO devices using the Microsoft-provided interfaces on
Windows Server 20 08. Beginning with Microsoft Windows Server 2008, Multipath I/O (earlier called
MPIO framework) is provided as an operating system feature. Along with the feature, a few interfaces are
provided to enable you to manage the MPIO framework and devices. Microsoft also supplies an inbox
Microsoft DSM (MS DSM), which provides multipath support for SCSI-3 compliant disk devices.
This appendix addresses the following topic:
• Multipath I/O feature
• Managing multipath support
• Managing multipath disk devices
Multipath I/O feature
Multipath I/O feature enables the operating system to manage the disk devices that support multipathing.
You must enable this feature before managing devices that suppor t multipath. Installing the HP MPIO
MSA DSM automatically enables the Multipath I/O feature.
Alternatively, you can enable this feature m anually as follows:
1. Go to Serv
er Manag e r and select Features > Add Features.TheAddFeaturesWizardpage
displays.
2. Select M u ltipat h I/O. The MPIO framework and MS DSM are installed, and the MPIO applet is
added to
the Control Pa nel.
Managing multipath support
Microsoft provides a Control Panel applet that enables you to manage multipath support for disk devices.
This interface allows users to enable or disable multipath support for the selected devices, allows users to
install vendor-specificDSM,orboth.
To use the applet, go to Control Panel and select MPIO. The M PIO Properties page displays.
The MPIO Properties page includes the following tabs:
•MPIO-edDevices
• Discover Multi-paths
•DSMInstall
MPIO-
ed Devices
When initiated, the MPIO Properties page defaults to the MPIO-ed Devices tab. This tab displays the
Device H ardware IDs of the devices that supopr t multipathing and are currently m a naged by MPIO.
Figure 1 shows the MPIO Properties page with the MPIO-ed D evices tab enabled.
HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.00.00
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