System and Data Disk Contents | Teradata Vantage - 17.10 - System Disk Contents - Advanced SQL Engine - Teradata Database

Teradata Vantageā„¢ - Database Design

Product
Advanced SQL Engine
Teradata Database
Release Number
17.10
Published
July 2021
Language
English (United States)
Last Update
2021-07-27
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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 Vantage 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.
space
  • Diagnostic reports
  • Memory swap space
  • Operating system and Open PDE dumps