INFORMIX-OnLine Dynamic Server System Administration: Disk Management

Course Status:	Released	Courseware Features
Course Language:	English
Course Duration:	4 Hours
Deployment Options:	Online, Interactive CDs, Network, Downloads, Intranet

Audience

Application developers, database and system administrators, and technical support personnel

Prerequisites

The course INFORMIX-OnLine Dynamic Server System Administration: Managing the Instance; the course Relational Principles and the SQL Programming suite; a knowledge of the UNIX operating system is necessary (refer to the UNIX curriculum); an understanding of client/server technologies, though not a strict prerequisite, would be useful

Course Aim

To familiarize the student with disk management

Learning Objectives

Explain how chunks can be allocated from raw disk space or cooked files. Describe the structure of dbspace pages. Describe the structure of blobspace blobpages. Outline how OnLine tracks system information. Discuss the use of extents within the OnLine system. Explain how to create, add, and drop dbspaces and blobspaces. Describe how temporary tables are created and stored.

Topics Covered

Advanced disk architecture - Dbspace architecture - Blobspace architecture - System structures Extents - About extents - Sizing extents Managing dbspaces and blobspaces - Allocating system space - Hands-on: Adding a dbspace - Deallocating system space - Hands-on: Dropping a blobspace Temporary disk space - Temporary tables - Temporary table storage