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Configure MPIO
20 Dell EMC SC Series Storage and Microsoft Multipath I/O | CML1004
5 Configure MPIO
This section describes how to associate the Microsoft DSM with SC Series volumes and how to set up and
configure the Microsoft DSM based on the failover and load-balancing preferences of an organization. These
instructions assume that server objects are created in Dell Storage Manager and that at least one volume is
mapped to each server using FC, iSCSI, or SAS FE with MPIO enabled.
Note: When the MPIO configuration is complete, refer to appendix A for important MPIO-specific patches,
hotfixes and registry settings.
5.1 Associate SC Series volumes with the Microsoft DSM
At this point, the Microsoft MPIO DSM has been installed but not configured. SC Series volumes must be
associated with the DSM so that the DSM can manage MPIO characteristics. The Microsoft DSM manages all
Fibre Channel, iSCSI, and SAS FE volumes presented.
Note: The software iSCSI initiator included in Windows Server 2008 R2 or later provides the necessary
performance and stability required for iSCSI connections to an SC Series array. Dell EMC also supports
iSCSI HBAs.
5.1.1 Using the MPIO configuration tool (GUI)
To associate SC Series volumes with the DSM through the use of the MPIO configuration tool, follow these
steps:
1. Open the MPIO configuration tool by clicking Start > Administrative Tools > MPIO.
2. Click the Discover Multi-Paths tab.
3. In the Others window, COMPELNTCompellent Vol should be listed. If not, it may be necessary to
perform a disk rescan in Disk Management.
4. Click COMPELNTCompellent Vol to select it and click Add.
5. When prompted, click Yes to reboot the server (a reboot is required).