RE: Flashback_on disabled automatically

From: John Hallas <>
Date: Mon, 4 Jan 2010 15:56:53 +0000
Message-ID: <>

Martin, whilst those comments are valuable I think they are missing my fundamental point that a customer choice can be changed by Oracle with no real warning. I have seen this happen on a production system of ours a couple of times as well as on performance test databases.


From: Martin Brown [] Sent: 04 January 2010 15:31
To: John Hallas; Subject: RE: Flashback_on disabled automatically

You may want to try a shell script that monitors free space in the recovery area. It's also possible that you've set a guaranteed restore point and forgot about it? Or maybe the db_flashback_retention_target is larger than it needs to be? Just some things to look at without knowing your requirements.

Date: Mon, 4 Jan 2010 14:06:23 +0000
Subject: Flashback_on disabled automatically I believe that there is a fundamental flaw in how flashback is managed in a database.

If I make the decision, based on business requirements and technical reasons, that I want flashback logging to be enabled for a database then I would expect that to remain the situation. However Oracle can disable flashback and not really inform the user at all. Yes there is a message in the alert log

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Received on Mon Jan 04 2010 - 09:56:53 CST

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