Chapter 5. Host configuration 207
5. A command prompt opens. Run datapath query version to determine the version that is
installed. See Figure 5-8.
Figure 5-8 Datapath query version
6. See Example 5-3 for the Windows 2012 R2 host.
Example 5-3 The datapath query version command
C:\Program Files\IBM\SDDDSM>datapath query version
IBM SDDDSM Version 2.4.5.1
Microsoft MPIO Version 6.3.9600.16384
C:\ProgramFiles\IBM\SDDDSM>
7. The 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 WWPNs of the host. Run datapath query wwpn (Example 5-4)
and document the WWPNs of your host because you need them later.
Example 5-4 The datapath query wwpn command
C:\Program Files\IBM\SDDDSM>datapath query wwpn
Adapter Name PortWWN
Scsi Port 7 100000051EC76B89
Scsi Port 7 100000051EC76B8A
If you need more detailed information about SDDDSM, see Multipath Subsystem Device
Driver User’s Guide, GC52-1309. A PDF version of the Multipath Subsystem Device Driver
User’s Guide, GC52-1309, is at the following website:
https://ibm.biz/BdEqeZ
The Windows host was prepared to connect to the Storwize V5000, and you know the
WWPNs of the host. The next step is to configure a host object for the WWPNs by using the
Storwize V5000 GUI. This task is explained in 5.5.1, “Creating Fibre Channel hosts” on
page 238.
SAN Boot hosts are beyond the intended scope of this book. For more information about that
topic, search for SAN Boot in IBM Knowledge Center:
http://www.ibm.com/support/knowledgecenter/STHGUJ
Windows 2003: The examples focus on Windows 2008 R2 and Windows 2012, but the
procedure for Windows 2003 is similar. If you use Windows 2003, do not forget to install
Microsoft hotfix 912944. If you do not install it before you perform this procedure, preferred
pathing is not available. You can download this hotfix from the following address:
https://support.microsoft.com/en-gb/help/912944/an-updated-storport-storage-dri
ver-version-5-2-3790-2630-is-available
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