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

hi

you can use bbed, its an undocumentated executable though

On 9/2/06, Charles Schultz <sacrophyte_at_gmail.com> 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
>

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