A full system recovery of an Oracle client involves the following phases:
Planning for a Full System Recovery
Before you begin a disaster recovery, make sure to have the following:
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Perform a backup of the file system. 
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Perform a full online or offline Oracle Database backup. 
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Make sure that the recovery catalog is available on a separate computer. 
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Make sure to select Resync Catalog in Subclient Properties (Backup Arguments) tab of the default subclient. This is required for successfully performing a full system restore in the event of a destroyed or damaged client. 
Recovering the Database
To recover the Oracle database in the event of a disaster, perform the following tasks:
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Restoring the Oracle Database to the same or different client computer.