I'm dealying with the same RMAN not checking corruption -- on 9.2.0.1 and Solaris. and it's a data warehouse.
So far I've got 9 corrupted datafiles and over 40 corrupted objects. fortunately most are indexes. it's going to be a good day. NOT --- Yechiel Adar <[EMAIL PROTECTED]> wrote: > We had a session with an expert on Monday and he recommended export > to > \dev\nul to detect errors in the database. > > Yechiel Adar > Mehish > ----- Original Message ----- > To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> > Sent: Monday, February 24, 2003 10:41 PM > > > > I had the same belief that RMAN catches the corruption earlier, but > not > NOW. > > > > We had a database crash two months back and while performing the > > recovery(RMAN) one of the restored data file was corrupted. *BIG > SHOCK* > to > > everyone..We ran the dbverify on the restored files, the corruption > showed > > up easily.. But not a single clue on the RMAN backup logs'. > > > > We asked Oracle Support, if rman checks for corruption in the data > files > > when the data files are being backed up.. He said "No".. > > > > Oracle Ver: 8.1.7.2/Sun 2.6 > > > > > > ..Ponnusamy > > > > At 11:40 AM 2/24/2003 -0800, DENNIS WILLIAMS wrote: > > >Stephen > > > RMAN ignored your corrupted block? Ya gotta tell us more man! > We're > > >relying on it to catch everything. Did you have the MAXCORRUPT > parameter > > >set? > > > > > >Dennis Williams > > >DBA, 40%OCP, 100% DBA > > >Lifetouch, Inc. > > >[EMAIL PROTECTED] > > > > > > > > >-----Original Message----- > > >Sent: Monday, February 24, 2003 11:45 AM > > >To: Multiple recipients of list ORACLE-L > > > > > > > > > > > >I think more recent versions of Oracle have options for skipping > corrupt > > >blocks with exports. > > > > > >One possible way: > > >If you have a valid primary key index on the table, and the index > is in a > > >good tablespace, you might be able to cycle through all the > primary keys, > > >select the row corresponding to that primary key and insert it > into a new > > >table. I was able to do this about a month ago with a 8.1.7 > database. > In > > >my case, I think it was a block header that was corrupt, not data; > so I > got > > >all the data OK. It was rather slow, grabbing and inserting one > row at a > > >time; but I got all the data. As long as I didn't do anything > that would > > >cause a table scan of any kind, I could get the data. > > > > > >By the way, rman not only failed to spot the corruption, but > backed it up > > >AND restored the corruption! My initial attempt was to just > rename the > > >datafile at the file system level, then recover it from the > previous > backup. > > >I could relate another one of those TAR non-support -- total and > complete > > >NON-support! -- on this one. > > > > > > > -----Original Message----- > > > > > > > > So my question is, if all backups contain the corrupted > > > > block, how would > > > > I copy all non-corrupted blocks from this table into a new > table? > > > > > > >-- > > >Please see the official ORACLE-L FAQ: http://www.orafaq.net > > >-- > > >Author: Stephen Lee > > > INET: [EMAIL PROTECTED] > > > > > >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: [EMAIL PROTECTED] (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: DENNIS WILLIAMS > > > INET: [EMAIL PROTECTED] > > > > > >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: [EMAIL PROTECTED] (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: Ponnusamy > > INET: [EMAIL PROTECTED] > > > > 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: [EMAIL PROTECTED] (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: Yechiel Adar > INET: [EMAIL PROTECTED] > > 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: [EMAIL PROTECTED] (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). > __________________________________________________ Do you Yahoo!? Yahoo! Tax Center - forms, calculators, tips, more http://taxes.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Rachel Carmichael INET: [EMAIL PROTECTED] 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: [EMAIL PROTECTED] (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).
