How do I backup a Db2 database?

How do I backup a Db2 database?

Procedure

1. Terminate the connections and deactivate the database.
2. Make a full offline backup.
3. Verify that the backup file was correctly created.
4. Activate the database and restart the License Metric Tool server to restore its connection to the database.

How does Db2 backup work?

When you perform a backup operation, the Db2 database manager automatically chooses an optimal value for the number of buffers, the buffer size, and the parallelism settings. The values are based on the amount of utility heap memory available, the number of processors available, and the database configuration.

What is Db2 backup?

Create a backup of your Db2® database and related stored data to prevent data loss in the event of a database service outage. There are several tools that you can use to complete the backup process.

How do I backup a table in Db2?

It is not possible to back up individual tables using the BACKUP command. A common approach is to use EXPORT command. If you need to backup the schema, use db2look to extract the DDL for that table.

How do I backup my DB2 database online?

You must run all DB2 commands as the DB2 instance owner. Update the Directory Server database for online backup support with log archiving on. After archival logging is set, you must make a full offline backup. Create a full offline backup of database.

How do I backup my mainframe?

Creating Backup Versions of Data Sets or Volumes

1. Dump single volume, multivolume, and VSAM data sets.
2. Dump to tape or DASD.
3. Specify allocation values for the new data set.
4. Determine the disposition of the output data set when the dump is successful or if it is unsuccessful.
5. Dump multiple copies of data sets.

What is incremental backup in DB2?

To address these issues, Db2® provides incremental backup and recovery. An incremental backup is a backup image that contains only pages that have been updated since the previous backup was taken.

How do I backup my Db2 database online?

What is incremental backup in Db2?

What are the types of backup available in DB2?

Backup Types Incremental – changes since the last full backup are backed up (restore requires a full image and the incremental image) Delta – changes since the last full or incremental or delta backup are backed up (restore requires a full image and all incremental and delta images since the full image)

How do I set up an incremental backup?

A period of time later, if you add new data to this full backup, you can do incremental and differential backup for the new data in another way. Click More options > Backup > click Incremental Backup or Differential Backup according to your needs.

How do I compress a backup in DB2?

To compress the backup as it is taken, use the COMPRESS keyword in the BACKUP DATABASE command. You can also compress the backup after it is taken using the gzip or your favorite compression command.

How do I create the database (Db2)?

Create Db2 Sample Database Launch the Db2 command window Create the Books database. It will take a while to create the database. Download Books sample database script files. Click the following link to download the Books sample database script. Load Books sample database.

What is DB2 Universal Database?

DB2 Universal Database is a Web-enabled relational database management system that supports data warehousing and transaction processing.

Does SQL Backup use tempdb?

There’s indeed some interaction with tempdb performed during logs backup, besides, it is used for some internal SQL Server activity (like storing temporary data that cannot be operationally stored in memory), so depending on the amount of processed data it could probably result in the observed behavior.

What is a DB2 catalog?

The DB2 catalog consists of tables of data about everything defined to the DB2 system, including table spaces, indexes, tables, copies of table spaces and indexes, and storage groups. The system database DSNDB06 contains the DB2 catalog.