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EMC aims DD Boost at Oracle RMAN

EMC looks to give Oracle RMAN a DD Boost by extending its Data Domain dedupe-enhancement software to the database recovery application.

EMC today extended its Data Domain Boost (DD Boost) software to Oracle Recovery Manager (RMAN) in an attempt to make deduplicated backups of Oracle servers run faster.

EMC first unveiled DD Boost two years ago as a way to speed backups by offloading part of the data deduplication process to the backup server. DD Boost already supported EMC’s NetWorker and Avamar, as well as Symantec’s NetBackup and Backup Exec backup software. Now EMC is extending that capability to one of the applications that enterprises need to protect. EMC’s goal is to get more database administrators (DBAs) using RMAN to back up to Data Domain appliances.

DD Boost for RMAN uses the Oracle database server for part of the dedupe process. It also enables RMAN to manage Data Domain’s replication with catalog awareness. That tells the RMAN catalog about the backup on the local and remote Data Domain devices. Data Domain’s dedupe reduces traffic over the LAN between the Oracle server and the backup target appliance. EMC claims the enhancement can increase Oracle backup performance by 50% by reducing the amount of data transferred. 

EMC demonstrated DD Boost for RMAN at Oracle OpenWorld last fall.

“This gives DBAs direct control of backup and recovery and the DR process. Now they can get catalog-aware centralized DR from within RMAN,” said Rob Emsley, EMC’s senior director of product marketing. “Until now, a DBA had to create a backup copy and the RMAN utility would have no awareness of the copy on the [Data Domain] backup system.”

Enterprise Strategy Group senior analyst Jason Buffington said DBAs using RMAN often back up data to a flat file rather than allowing backup administrators to handle their backups. He said by starting the dedupe on the Oracle backup, DD Boost for RMAN gives DBAs more control and makes it easier to coordinate backups between the DBA and backup admin.

“It keeps the backup admin in the loop, adds dedupe and gives DBAs a smarter way to manage data protection,” he said.

Buffington said cataloging a backup sent to a disk target at a remote site is helpful because “now you can use RMAN and drop data to a local Data Domain appliance, and tell that appliance to send it to another part of the country.”

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