Dell CX4 Series User Manual

Dell CX4 Series User Manual Manual pdf 49 page image

Preparing Your Systems for Clustering 492 Add the following two separate lines to the agentID.txt file, with nospecial formatting:• First line: Fully qualified hostname. For example, enternode1.domain1.com, if the host name is node1 and the domain nameis domain1.• Second line: IP address that you want the agent to register and use tocommunicate with the storage system.EMC PowerPathEMC PowerPath® automatically reroutes Fibre Channel I/O traffic from the hostsystem and a Dell/EMC CX4-series storage system to any available path if aprimary path fails for any reason. Additionally, PowerPath provides multiple pathload balancing, allowing you to balance the I/O traffic across multiple SP ports.Enabling Access Control and Creating Storage Groups UsingNavisphereThe following subsection provides the required procedures for creatingstorage groups and connecting your storage systems to the host systems.CAUTION: Before enabling Access Control, ensure that no hosts are attempting toaccess the storage system. Enabling Access Control prevents all hosts fromaccessing any data until they are given explicit access to a LUN in the appropriatestorage group. You must stop all I/O before enabling Access Control. It isrecommended to turn off all hosts connected to the storage system during thisprocedure or data loss may occur. After you enable the Access Control software, itcannot be disabled.1 Ensure that Navisphere Agent is started on all host systems.a Click the Start button and select Programs→ Administrative Tools,and then select Services.b In the Services window, verify the following:• In the Name column, Navisphere Agent appears.• In the Status column, Navisphere Agent is set to Started.• In the Startup Type column, Navisphere Agent is set to Automatic.2 Open a Web browser.