Re: Controlled block corruption testing

From: Stefan Koehler <>
Date: Mon, 18 Jun 2018 18:40:06 +0200 (CEST)
Message-ID: <>

Hey Rich,
there is a free tool called "CrashSimulator" by Francisco Munoz Alvarez. I guess this is what you are looking for:

Best Regards
Stefan Koehler

Independent Oracle performance consultant and researcher Website:
Twitter: _at_OracleSK

> Rich J <> hat am 18. Juni 2018 um 16:38 geschrieben:
> Hey all,
> I'd like to do some block media recovery testing in RMAN.  It seems that the Linux/Unix "dd" command would be an obvious choice to corrupt an Oracle datafile block, but has anyone documented a controlled test like this?  Try to not reinvent the wheel, if possible.
> I'm thinking of targeting specific objects in the database to corrupt.  It doesn't seem difficult to get a relative block and "dd" an empty block in its place on a test instance, but if someone's already beaten this path...
> TIA!
> Rich

Received on Mon Jun 18 2018 - 18:40:06 CEST

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