You want RMAN to make duplicate copies of data files when using the backup command. What must you set using the RMAN configure command to achieve this?

Question

Options

• AMAXSETSIZE TO 2;
• BDEVICE TYPE DISK PARALLELISM 2 BACKUP TYPE TO BACKUPSET;
• CCHANNEL DEVICE TYPE DISK FORMAT '/disk1/%U' , '/disk2/%U';
• DDATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;

• A
  14% (3)
• B
  5% (1)
• C
  10% (2)
• D
  71% (15)

Explanation

Configuring Backup Duplexing You can use the CONFIGURE ... BACKUP COPIES command to specify how many copies of each backup piece should be created on the specified device type for the specified type of file. This type of backup is known as a duplexed backup set. The CONFIGURE settings for duplexing only affect backups of datafiles, control files, and archived logs into backup sets, and do not affect The CONFIGURE MAXSETSIZE command limits the size of backup sets created on a channel. This CONFIGURE setting applies to any channel, whether manually allocated or configured, when the BACKUP command is used to create backup sets. The default value is given in bytes and is rounded down to the lowest kilobyte value.

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