Dell EMC AX4-5I manual Modifying the TCP Registry Settings, Installing EMC PowerPath

6Read and accept the license agreement and click Next to install the software.

7At the completion screen, click Finish to complete the installation.

8Select the Do not restart now option to reboot the system after modifying the TCP/IP registry settings in the section "Configuring the Shared Storage System" on page 32.

Modifying the TCP Registry Settings

To modify the TCP Registry:

1Determine the IP addresses or the DHCP IP addresses that are used for iSCSI traffic.

2Start the Registry Editor. a Select Start→ Run.

b Type Regedit and click OK.

3Locate and click the registry subkey at:

HKEY_LOCAL_MACHINE→ SYSTEM→ CurrentControlSet→ Services→ Tcpip→ Parameters→ Interfaces

4Click each interface GUID associated with the iSCSI networks, and perform the following steps:

a Select Edit→ New→ DWORD value.

b Name the new value TcpAckFrequency. c Assign a value of 1.

5Exit the Registry Editor.

Installing EMC® PowerPath®

EMC PowerPath detects a failed storage path and automatically re-routes I/O through an alternate path. PowerPath also provides load balancing of data from the cluster node to the storage system. To install PowerPath:

1Insert the PowerPath installation media in the CD/DVD drive.

2On the Getting Started screen, go to the Installation section, and click the appropriate link for the operating system that is running on the node.

3Select Run this program from its current location and click OK.

Preparing Your Systems for Clustering

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