Hp 3PAR Application Software Suite for Oracle Uživatelský manuál stáhnout pdf (Strana 18)

backup or Oracle RMAN backup). However, incremental (differential or cumulative) backup of a

whole Oracle database is only available using Oracle RMAN backup. Incremental (differential or

cumulative) backup of archive log destination is only available for the NBU (user-managed) backup

method.

The following restrictions apply when backing up a database using the Recovery Manager for

Oracle database backup utility.

• For NBU (user-managed) backup:

The NBU client must be installed on the backup server, as well as on the database server.◦

◦ At least one NBU policy of standard type must be created and configured for database

backup. Optionally, a separate NBU policy of standard type can be created and

configured for archive log destination backup.

• For Oracle RMAN backup:

If RMAN sbt_tape backup is chosen, the NBU for Oracle client must be installed on the

backup server, as well as on the database server.

◦

◦ If RMAN sbt_tape backup is chosen, at least one NBU policy of the Oracle type must be

created and configured for database backup. Optionally, a separate NBU policy of the

Oracle type can be created and configured for archive log backup.

◦ An RMAN Recovery Catalog database must be created and configured prior to using

the backup utility.

There are two ways to perform backups:

• Immediate backup - a backup that is initiated by Recovery Manager for Oracle through the

database backup utility.

• Automatic backup - a backup that is initiated by NBU from the NBU master server.

Immediate Backup

During an immediate backup, Recovery Manager for Oracle performs the following:

• Creates an online, offline, datafile, or archonly virtual copy for the database or archive log

destination.

• Mounts the virtual copy on the backup server.

For NBU (user-managed) backup, Recovery Manager for Oracle:

• Generates an include list file that contains a list of datafiles and/or archive log destination

on the mounted virtual copy and stores it in the

/usr/openv/netbackup/include_list.<policy_name> file on the NBU client (the

backup server).

• Calls the bpbackup command from the NBU master server to backup files listed in the include

list.

For Oracle RMAN backup, Recovery Manager for Oracle:

• Starts up a clone database in mounted mode using the mounted virtual copy on the backup

server, assuming ORACLE_HOME is installed and configured in the Recovery Manager

repository.

• Calls an RMAN backup script (rmora_rman_dbbackup.sh or

rmora_rman_archbackup.sh) to backup the cloned database.

• Removes the cloned database.

• Unmounts the virtual copy.

18 Overview of Recovery Manager Operations

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