Dell DX6000G Dell DX Object Storage Platform User's Guide - Page 18
DX Cluster File Server Configuration, Application Access to DX Object Storage Platform
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DX Cluster File Server Configuration When you deploy a DX Cluster File Server (CFS), the CFS must have direct access to the DX Storage Cluster on the private network and the public network. Gigabit Ethernet or higher is the recommended connection speed between the CFS server and the DX Storage Cluster Nodes. The CFS contains six Ethernet ports. In a single server configuration, two Ethernet ports must be configured to the Public network and four to the DX Storage Cluster. In a failover configuration, it may be desirable to have a separate network dedicated to iSCSI traffic. You can configure two Ethernet ports to the Public Network, two to the iSCSI network, and two to the DX Storage Cluster. Depending on site requirements, these ports can be configured for link aggregation protocol (LACP) operating in mode 4, or adaptive load balancing (ALB) operating in mode 6. Many sites prefer ALB as it does not require switch configuration. You may use any configuration that is commonly used in your environment. A common NTP time source is required for all CFS servers and the DX Storage Cluster to provide clock synchronization. If you use Active Directory, the NTP time source must be the same as the domain controller that is used for handling Active Directory based credentials. Application Access to DX Object Storage Platform Communicating Directly With a Local Cluster Applications can communicate with a DX Storage Node at any time. The DX Object Storage software automatically redirects applications to the proper node even if the addressed node is an incorrect node to handle a request. If both Cluster Services Node and cluster nodes are not responding, you can communicate with the remote cluster by addressing the remote Cluster Storage Nodes or remote Cluster Services Node directly. For many configurations, it is recommended to create a single name through DNS which maps to the DX Storage Nodes. A single name allows communication with the DX Storage Nodes using one domain name. DNS automatically rotates addressing through the storage nodes. For more information, see the DX Object Storage Application Guide at support.dell.com/manuals. 18 DX Object Storage Platform Overview