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Overview:

The DB2 HADR feature provides immense data protection from both partial and full site failures. In case of failure, the standby database can be made available to clients across the network until the primary database is repaired and returned to service. Recovery may include recovery from corruption, natural disaster at the source site, accidental deletion, sabotage, etc. In the event of disaster, all applications traffic is rerouted to the standby database at the disaster recovery site for as long as necessary to recover the primary site. Once the primary database is repaired, it can rejoin as a standby and perform catch-up with the new primary database. The role of the new standby database can be switched back to the primary database by a takeover operation.

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Format:PDFSize:1,055 KB
Date:Jan 2007
Pages:33

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