Return-Path: Received: from ensim.rackshack.net (root@localhost) by orafaq.net (8.11.6/8.11.6) with ESMTP id h1MJUJt11972 for ; Sat, 22 Feb 2003 13:30:19 -0600 X-ClientAddr: 209.68.248.164 Received: from newsfeed.cts.com (newsfeed.cts.com [209.68.248.164]) by ensim.rackshack.net (8.11.6/8.11.6) with ESMTP id h1MJUJQ11967 for ; Sat, 22 Feb 2003 13:30:19 -0600 Received: from fatcity.UUCP (uucp@localhost) by newsfeed.cts.com (8.9.3/8.9.3) with UUCP id IAA17979; Sat, 22 Feb 2003 08:10:10 -0800 (PST) Received: by fatcity.com (26-Feb-2001/v1.0g-b72/bab) via UUCP id 00555BBC; Sat, 22 Feb 2003 07:38:36 -0800 Message-ID: Date: Sat, 22 Feb 2003 07:38:36 -0800 To: Multiple recipients of list ORACLE-L X-Comment: Oracle RDBMS Community Forum X-Sender: sstefick Sender: root@fatcity.com Reply-To: ORACLE-L@fatcity.com Errors-To: ML-ERRORS@fatcity.com From: sstefick Subject: RE: how to crash a db ? Organization: Fat City Network Services, San Diego, California X-ListServer: v1.0g, build 72; ListGuru (c) 1996-2001 Bruce A. Bergman Precedence: bulk Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit You can also shutdown the database (anyway you would like). Then delete a couple of datafiles, or the controlfiles, then try to bring the database back up. Another good way to do it is to null out one of your redo log files. -Scott >===== Original Message From ORACLE-L@fatcity.com ===== >A shutdown abort is always a good start. I had a collegue (spelling?) in >Support, who put redo logs on a diskette and then removed the diskette >from the drive. That worked, too. > >And I've had crazy Greenlanders deleting from the dictionary until the >whole thing finally came down hard. > >Good tables to delete from would include those mentioned at the top of >sql.bsq . Jared's idea with FET$ is good. So is OBJ$, I think :). > >Mogens > >Jared.Still@radisys.com wrote: > >>Try this. Turn your server off, pull the drives, remove the >>outer plates from the individual drive enclosures, and >>scratch the platters with a nail. >> >>That should do it. >> >>Or, you could just shutdown your database, rename >>the system tablespace file and try to restart, and >>subsequently recover. >> >>Using dbed to 'modify' the system tablespace comes >>to mind, but that's for the real byteheads. >> >>How about 'delete from sys.fet$; commit;' . That should >>bring in down in a few minutes. >> >>If you want a faster reaction, try 'delete from sys.tab$; commit;'. >> >>That will have a more immediate effect. >> >>Any of these should be sufficient to require recovery. >> >>;) >> >>Jared >> >> >> >> >> >> >> >>Sent by: root@fatcity.com >> 02/21/2003 03:23 PM >> Please respond to ORACLE-L >> >> >> To: Multiple recipients of list ORACLE-L >> cc: >> Subject: how to crash a db ? >> >> >>Hi Listers ... >> >>sorry, no bad intentions or anything like that :) but i want to learn some >>recovery options. atleast, the basic point-in-time etc. >> >>so how can i try to crash a db ? r there any other ways to learn this >>w/out >>crashing the db ? >> >>wishing y'all a happy wknd ! >> >>thanks, >>-sam >> >> >> >> > > >-- >Please see the official ORACLE-L FAQ: http://www.orafaq.net >-- >Author: =?ISO-8859-1?Q?Mogens_N=F8rgaard?= > INET: mln@miracleas.dk > >Fat City Network Services -- 858-538-5051 http://www.fatcity.com >San Diego, California -- Mailing list and web hosting services >--------------------------------------------------------------------- >To REMOVE yourself from this mailing list, send an E-Mail message >to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in >the message BODY, include a line containing: UNSUB ORACLE-L >(or the name of mailing list you want to be removed from). You may >also send the HELP command for other information (like subscribing). -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: sstefick INET: sstefick@harper.cc.il.us Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: ListGuru@fatcity.com (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).