16.10 - System Disk Contents - Teradata Database

Teradata Database Design

Teradata Database
Release Number
Release Date
June 2017
Content Type
User Guide
Publication ID
English (United States)

System disks Disk 0 and Disk 1, are cabled to a controller not associated with the disk arrays.

Disk 0 is the boot disk. The slices on Disk 0 contain file systems under the control of the operating system root directory.

Disk 1 provides additional space for dumps and memory swapping.

Boot Disk Contents

The following table lists the contents of the boot Disk 0.

Content Use
AMP identifiers file Stores identifiers of all AMPs.
Configuration maps Defines vprocs.

The configuration map lists the pdisks allocated to a clique, but does not assign them to vdisks or AMPs.

Open PDE and operating system Stores software under which Teradata Database is running.
Executable Teradata software Includes any optional Teradata client software packages.
UDF libraries Support user-defined functions and external stored procedures.
Copy of Teradata GDOs Includes DBS  Control Record (DBSCONTROLGDO).
Values Initialize hash buckets.
  • Diagnostic reports
  • Memory swap space
  • Operating system and Open PDE dumps