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TDE Wallets: Multiple Databases on Same Host

edited Oct 7, 2013 8:18PM in Database Security Products (MOSC) 2 commentsAnswered

The Oracle TDE Best Practices (doc ID 130696) states this:

Multiple databases on the same host

If there are multiple Oracle Databases installed on the same server, they
must access their own individual TDE wallet. Sharing the same wallet between independent instances is not supported
and can potentially lead to the loss of encrypted data.

If the databases share the same ORACLE_HOME, they also share the same
sqlnet.ora file in $TNS_ADMIN . In order to access their individual wallet, the
DIRECTORY entry for the ENCRYPTION_WALLET_LOCATION
needs to point each database to its own wallet location:
DIRECTORY= /etc/ORACLE/WALLETS/$ORACLE_UNQNAME

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