DB2 Server for VSE & VM: Data Restore Guide


Terminology

TERM
Meaning

APPLYLOG
A Data Restore function to apply the DB2 statements that were extracted from the log during the RELOAD operation.

Archive
A Data Restore archive.

Associate Full Backup
The associate full backup for an incremental backup is the most recent full backup taken before the incremental backup. For example, if a full backup is taken on a Sunday night, and incremental backups are performed each night during the week, the associate full backup for each of the incremental backups, is the full backup taken on the Sunday night preceding the incremental backup.

backup
A backup is a user archive taken with the Data Restore Feature BACKUP command. It is a copy of the entire database. This is the default function for the BACKUP command and this type of backup cannot be used as an associated backup for Incremental BACKUP. A Data Restore function to produce an archive.

BACKUP FULL
A Data Restore function to produce an archive. The produced archive could be later used as a reference for INCREMENTAL BACKUP.

BACKUP INCREMENTAL
A Data Restore function to produce an incremental archive. This function can only be used if a BACKUP FULL function has been executed. Only modified pages are saved.

Data Restore archive
A Data Restore archive. Synonym of archive.

DB2 Server for VSE & VM database archive
An DB2 Server for VSE & VM Archive produced by the ARCHIVE operator command.

DESCRIBE
A Data Restore function to read an archive or unload a file and produce a report with information about the contents of the file.

FORMAT
A Data Restore function to format a dbextent (VSE only).

Forward log recovery
Changes referenced in the log files are processed again after restoring tables.

FULL ARCHIVE
A database archive file produced by the BACKUP FULL function.

FULL backup
A FULL backup is a user archive taken with the Data Restore feature BACKUP FULL command. It is a copy of the entire database. Additionally, BACKUP FULL initializes the database directory so that subsequent incremental backups can be taken. A full backup must be taken before an incremental backup may be taken.

INCREMENTAL ARCHIVE
A database archive file produced by the BACKUP INCREMENTAL function.

INCREMENTAL backup
An INCREMENTAL backup is a user archive taken with the Data Restore BACKUP INCREMENTAL command. It contains a copy of the pages that have been modified since the last FULL backup was taken. A full backup must be taken before an incremental archive is allowed.

LISTLOG
A Data Restore function to list the contents of LMBRLG1, LMBRLG2, and LMBRLG3.

regular backup
Same as backup.

RELOAD
A Data Restore function to restore parts of a database.

RESTORE
A Data Restore function to restore an entire database.

SELECT
A Data Restore function to access data in an application server when the database is either up or down.

SHOWDBS
A Data Restore function to execute a fast show dbspace for an entire database.

SHOWPOOL
A Data Restore function to list a cross reference between dbextents and storage pools organization.

SPLR
Storage Pool Level Recovery is the process of restoring one or more storage pools using the POOL parameter of the RESTORE command.

TRANSLATE
A Data Restore function to increase the performance when later restoring the complete database or parts of it from a DB2 archive.

UNLOAD
A Data Restore function to back up parts of a database.

Unload
A Data Restore unload.

VM
Refers to all supported releases and versions of VM/ESA.

VSE
Refers to all supported releases and versions of VSE/ESA.

Note:When these terms are mentioned in this book, they refer to the above definitions, not to DB2 Server for VSE & VM Database Services Utility functions unless explicitly mentioned.


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