A network fabric defines the data path between one or more nodes in a Teradata system and DSA media servers using the most efficient interface when transferring data. In a Data Mover-DSA configuration, media servers are installed on the target system nodes.
Network fabrics are defined by using one of the following methods:
- The dsa_configfabric script provided in the Data Mover installation package
- The config_fabric command in the DSC command line
- The DSA portlet
The DSA portlet version must match the DSC version. See Teradata® Data Stream Utility Installation, Configuration, and Upgrade Guide, B035-3153 for more information.
For example, a configuration where the media server on SystemA is connected in the following way:
- to System B using both a high-speed BYNET network (10.16.xx.xx) and a LAN network (10.25.xx.xx)
- to System C using only a LAN network (10.25.xx.xx)
Below is a sample fabric XML for System B, specifying the media server IP addresses to be used on System A. This is using a configuration where both system A and B are 2-node MPP systems. A similar fabric XML is needed to configure a fabric for System C. For more information, see
Teradata® DSA User Guide, B035-3150.
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <dscConfigFabrics xmlns="http://schemas.teradata.com/v2012/DSC"> <fabric_name>systemBFabricConfig</fabric_name> <system_name>systemB</system_name> <is_enabled>true</is_enabled> <tpa_to_ms> <node_name>systemB-01</node_name> <ms_info> <media_server>systemAcop1_ms</media_server> <ip_address>10.16.108.150</ip_address> </ms_info> </tpa_to_ms> <tpa_to_ms> <node_name>systemB-01</node_name> <ms_info> <media_server>systemAcop2_ms</media_server> <ip_address>10.16.108.63</ip_address> </ms_info> </tpa_to_ms> <tpa_to_ms> <node_name>systemB-02</node_name> <ms_info> <media_server>systemAcop1_ms</media_server> <ip_address>10.16.108.150</ip_address> </ms_info> </tpa_to_ms> <tpa_to_ms> <node_name>systemB-02</node_name> <ms_info> <media_server>systemAcop2_ms</media_server> <ip_address>10.16.108.63</ip_address> </ms_info> </tpa_to_ms> </dscConfigFabrics>