Database Backup and Recovery (MOSC)

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RMAN active duplication failure

edited Jan 27, 2013 4:27AM in Database Backup and Recovery (MOSC) 6 commentsAnswered

Trying to copy database instance from one server to another using RMAN active duplication.  I expect this duplication to last around 8 hours. RMAN connections to both instances seems successful, duplication starts, and then we get the following errors: RMAN-03009: failure of backup command on ORA_DISK_3 channel, ORA-17627: ORA-01041: internal error. hostdef extension doesn't exist, ORA-03135: connection lost contact.
Based on the following document, the main cause of this issue and errors is the network environment timing out the connections during the duplication attempt:

RMAN active duplicate ORA-19558 ORA-19557 ORA-17627 ORA-01041 ORA-03113 ORA-600 [17183] (Doc ID 1332601.1)

Our system admins have set the idle timeout to a really long period (like 24 hours) and we are still seeing this error.  Is there a particular firewall setting we should be checking?

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