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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