This session provides detailed information on how Teradata utilizes Linux memory and how Teradata maps logical Vdisk space to physical disk storage space.

An explanation of RAID 1 and RAID 6 technologies is given. Also provided, are examples of typical Teradata configurations with 6650 and 6750 systems as well as an example of how SSD drives are partitioned for multiple AMPs. An introduction to the concepts of Teradata Virtual Storage (TVS) is provided in this session along with an example of adding storage to an existing Teradata clique using TVS. This session discusses Teradata file system concepts, terminology, and considerations. Typical block sizes are explored and examples are provided about proper block sizes to best utilize cylinder space. WAL logic (Write Ahead Logging) and newer Teradata features such as Merge Datablocks, Large Blocks, and Teradata Intelligent Memory are described, as is the impact on write operations.

Key Points:

  • How does Teradata utilize memory with Linux
  • How are vproc numbers assigned to virtual processors
  • How does Teradata map logical storage to physical storage space
  • What are typical configurations with Teradata and 5650 systems
  • What is Teradata Virtual Storage and what capabilities can TVS provide
  • Teradata File System concepts and how data is located

Presenter: Larry Carter, Senior Learning Consultant - Teradata Corporation

This course is offered by the Teradata Education Network. To enroll online, click the Training URL link below to go to the TEN site and Log in. If you're not a member click browse, select your region, and search on the Course Number. Or to enroll by phone, call the Enrollment Center at 1-937-242-4460. Note: You must be a member to register for a course.

Audience: Teradata IT Professionals

Course number:45883
Training URL:
Format:Recorded webcast
Credit hours:1.50