Informix System Administration Training Course and Workshop in Bangalore, Mysore, Chennai, Hyderabad, Pune, Mumbai, Delhi, Noida, Gurgaon, Kolkata

In Informix System Administration training course, you will develop the skills necessary to successfully administer one or more Informix database servers. You will learn how to configure and utilize a database server instance, configure and test client connectivity, configure and manage memory and disk usage, plan and implement system maintenance tasks, and configure the server for optimal Online Transaction Processing (OLTP) or decision support (DS) utilization.

By attending Informix System Administration workshop, delegates will learn to:

Describe the components of a database server
Configure and initialize a database server
Configure the server to allow both local and remote connections
Use Dynamic Server utilities to monitor server activity
Describe the components of shared memory and configure the component sizes
List, describe, and configure the different classes of virtual processors
Identify the components of the database server disk architecture
Create dbspaces, blobspaces, and sbspaces and add chunks to these spaces
Explain the purpose of physical and logical logs and monitor log activity
View the individual transactions that are written to the logical log files
Describe the importance of checkpoints on the server
Describe the importance of fast recovery
Perform backups of the database server and logical logs
Use different methods to restore a database server from backup
Explain the purpose of temporary spaces used by the server
Configure the database server to operate more efficiently using parallel operations
Monitor the resources used by individual user sessions
Configure the server to respond to specific events by executing an alarm program
Use SQL commands to perform administrative functions and schedule tasks
Use various troubleshooting techniques to identify and resolve common problems

Ability to write complex SQL queries
Ability to navigate through a Linux/UNIX file system and use common utilities in that environment

This Informix System Administration class is meant for Informix System Administrators, Informix Database Administrators, and Informix Applications Developers.

Overview of Informix Dynamic Server

Describe the major components of Informix Dynamic Server
Define database server terms
Describe major database server events

Preparing for Configuration

Review the contents of the release notes
Identify the kernel parameters that must be set
Determine operating system patches that must be applied

Configuring Client-Server Connectivity

List the methods to connect to the database server
Make appropriate server entries into the sqlhosts file
Set the environment variables necessary for a client application to connect to the database server

Configuring a Database Server

Create cooked files or prepare raw devices for server disk storage
Set environment variables necessary to administer a database server
Explain the purpose of the configuration file
Identify basic configuration parameter settings required to bring up a simple database server
Use a text editor to modify the configuration file
Bring the database server online

Monitoring database Server

Describe the use of the system monitoring interface (SMI)
Connect to the sysmaster database and run simple SQL queries
Use onstat to monitor information about the database server
Use oncheck to gather information about space usage and the status of indexes and tblspaces
Use ISA to monitor server activity

Managing Shared Memory

List and describe the database server operating modes
Use onmode and oninit to change the operating mode
Describe the shared memory segments used by the database server
Describe the configuration parameters that affect the size of shared memory
Set the RESIDENT parameter to control shared memory residency
Monitor the major components of shared memory

Virtual Processors and Threads

Define a thread
Describe the multithreaded architecture
Describe how the virtual processors are implemented in UNIX
Use onstat to monitor VPs and threads
List and explain the virtual processor classes
Describe how network connections are handled by the server
Set server configuration parameters related to VPs and threads
Dynamically add and remove virtual processors

Disk Architecture

Describe the Dynamic Server chunk and page structure
Explain how pages are allocated within extents
Explain the difference between table and index extents
Describe the relationship between chunks and DBSPACES
Describe the overhead pages in various types of chunks
Describe the structure of a dbspace, blobspace, and sbspace
Use the oncheck command to display reports about space allocation, tblspace usage, and index usage
Use onstat to display dbspace and chunk information

Managing and Monitoring Disk Space

Create and drop dbspaces, blobspaces, and sbspaces
Change the status of a mirrored dbspace
Monitor dbspaces, blobspaces, and sbspaces
Use the storage pool and the APIs to administer storage spaces

Physical and Logical Logging

Move the physical log to a new dbspace
Add, drop, and modify logical logs
Change the logging mode of a database
Define a long transaction
List and describe configuration parameters related to physical and logical logging
Monitor the physical and logical logs

The Shared Memory Buffer Pool

List the steps performed by the server to update a row on disk
Describe the checkpoint process
Describe the differences between a blocking and a nonblocking checkpoint
Properly set the configuration parameters related to checkpoints
Describe what events cause a checkpoint to occur
Monitor checkpoints and buffer writes performed by the server

Fault Tolerance

Describe the types of failures that could occur on the server system
Describe the fast recovery process
Examine the status of chunks and dbspaces
Identify the configuration parameters associated with recovery

Introduction to Backup and Restore

Identify Informix backup and restore utilities
Explain the backup and restore process
Explain the incremental backup levels
Explain the two different methods to back up logical logs
Describe the difference between a warm and cold restore

Backup and Restore Using Ontape

Configure your server to use ontape for backup and restore
Perform a server backup using ontape
Back up logical log files using ontape
Perform a warm restore using ontape

Temporary Files and Tables

Describe the temporary objects created by the database server
Describe the configuration parameters and environment variables related to temporary objects
Explain the importance of using multiple temporary dbspaces
Explain the purpose of the WITH NO LOG clause when used to create temporary tables
Use onstat and the SMI to monitor the space used to create temporary objects

Performance Features

Configure your server to perform read-aheads
Configure your server to use recovery threads
Configure your server to enable or disable the use of OS time
Describe the PDQ operations available in the database server
Describe configuration parameters that control Parallel Database Query (PDQ) resources
Configure your server to use the SQL statement cache

Monitoring User Activity

Use onstat and the sysmaster database to monitor user activity on the database server
Identify the resources held by a user session
Display the last SQL command run by a user session
Identify which user sessions have created temporary tables
Describe how to identify the types of locks held by user sessions
Identify and terminate a specific user session
Explain the purpose of the dynamic lock manager

Event Alarms

Explain how to use the event alarm feature
List the event severity codes
List the classes of alarm events in the server environment
Explain the purpose of the system alarm program

SQL Administration Functions and Task Scheduler

Use SQL commands to perform system administrative tasks
Use the built-in scheduler to automatically perform routine tasks

Troubleshooting

Identify and respond to common server problems
Run the commands to check for consistency of the disk subsystem
Identify the version and serial number of the database server
Identify permission problems with devices and server files
Describe the information required by IBM Technical Support
Describe the parts of a database version number
Recover from a simple permission or data storage location problem in the server

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Informix System Administration

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