A backup queue manager can be used to protect an existing queue manager against possible corruption caused by hardware failures. Using a backup queue manager is an alternative to backing up queue manager data.
An existing queue manager can have a dedicated backup queue manager. A backup queue manager is an inactive copy of the existing queue manager. If the existing queue manager becomes unrecoverable due to severe hardware failure, the backup queue manager can be brought online to replace the unrecoverable queue manager.
For more information on backup queue managers, see Backing up and restoring WebSphere MQ.
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