Re: How does one manually corrupt a database (database file, redo logs and backups)

  • From: "Charles Schultz" <sacrophyte@xxxxxxxxx>
  • To: "LS Cheng" <exriscer@xxxxxxxxx>
  • Date: Sat, 2 Sep 2006 10:53:14 -0500

That does not help much. If it is undocumented and you do not tell me how to
use it, I am kinda stuck at square one, nu? =)

On 9/2/06, LS Cheng <exriscer@xxxxxxxxx> wrote:


you can use bbed, its an undocumentated executable though

On 9/2/06, Charles Schultz <sacrophyte@xxxxxxxxx> wrote: > > Funny topic, eh? I am practicing backup and recovery procedures and > finding that recovery is quite easy since I never have corrupted blocks to > worry about. So, how do I practice for a "worse case" scenarios? Are there > white papers out there that go over this kind of stuff? I found several > "Best Practices" in metalink (look Mladen, not plural), but that is not > exactly what I am looking for as they tell you how to fix the problem, not > make the problem. I have tried overwriting the binary files, but being > simpled-minded I was using vi. I thought about using the unix dd utility - > unfortuantely I do not have enough experience to be surgical (easy to mess > up the first few blocks, but what about the middle?). Can I use the same > method to isolate corruption to various parts of the database (ie, database > files, redo logs or rman backups)? > > I have a gut feeling that someone has already documented this, so if > this is the case, please point me there. > Thanks, > > PS - I have been practicing on 9iR2. Yet anything above 9iR1 would be > fine. > > -- > > Charles Schultz >

Charles Schultz

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