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Chapter 5. Host configuration 205

2. A command prompt opens. Run datapath query version to determine the version that is

installed (Example 5-1) for this Windows 2008 R2 host.

Example 5-1 The datapath query version command

C:\Program Files\IBM\SDDDSM>datapath query version

IBM SDDDSM Version 2.4.5.1

Microsoft MPIO Version 6.1.7601.17514

3. The worldwide port names (WWPNs) of the FC HBA are required to correctly zone

switches and configure host attachment on the IBM Storwize V5000. You can obtain the

WWPNS by using vendor tools, the HBA BIOS, the native Windows command line, or

SDDDSM. This command can be used to determine the worldwide port names (WWPNs)

of the host. Run datapath query wwpn (Example 5-2) and note the WWPNs of your host

because you need them later.

Example 5-2 The datapath query wwpn command

C:\Program Files\IBM\SDDDSM>datapath query wwpn

Adapter Name PortWWN

Scsi Port3: 21000024FF35B960

Scsi Port4: 21000024FF25B961

If you need more detailed information about SDDDSM, see Multipath Subsystem Device

Driver User’s Guide, GC52-1309. The guide is available at this website:

http://www.ibm.com/support/docview.wss?uid=ssg1S7000303

Windows 2012 R2

To check the installed driver version, complete the following steps:

1. First, select the Windows Start icon in the lower-left corner. See Figure 5-4.

Figure 5-4 Windows 2012 R2 start

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