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ORA-01578: ORACLE data block corrupted

Posted on 2001-09-18
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Last Modified: 2013-12-12
Hi,

First I got the ORA-01578 data block corrupted on file #3, block #4159 error message.  Then, I found out that corruption is on the rollback segment RB3.  I took the RB3 offline.  I tried to remove it and recreate it again.  But, I got another ORA-01545 rollback segment 'RB3' specified not available.  Yes, it was pending offline not offline.  Please advice!
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Question by:wengcheok
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Expert Comment

by:frankzh
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i think the header of ur RB3 is not consistent with the control file. Did u try to restart and do a media recovery.
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Expert Comment

by:yo_hou
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You can follows as:

First
    In initDBSID.ora file(exist in ORACLE_HOME/dbs) you can
modify the parameter rollback_segments =(rb1,rb2,rb3) to _corrupted_rollback_segments =(rb1,rb2,rb3)

Second
    svrmgrl>startup restrict mount;
    svrmgrl>alter database datafile 'path/datafile.name' offline drop;
    svrmgrl>alter database open ;
    svrmgrl>drop rollback segment rb0;
    .
    svrmgrl>drop rollback segment rb3;
    svrmgrl>drop tablespace rbs including contents;
    svrmgrl>create tablespace rbs datafile 'XXXXXXX' ...;
    svrmgrl>create rollback segment rb0 tablespace rbs;
    .
    svrmgrl>create rollback segment rb3 tablespace rbs;  modify the parameter _corrupted_rollback_segments =(rb1,rb2,rb3) to rollback_segments =(rb1,rb2,rb3)

  svrmgrl>startup;
WARNING: In doing so ,you will lost data in rbs tablespace.
good luck!
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Accepted Solution

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schwertner earned 50 total points
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Error:  ORA-1578
Text:   ORACLE data block corrupted (file # %s, block # %s)
-------------------------------------------------------------------------------
Cause:  The data block indicated was corrupted, mostly due to software
        errors.
Action: Try to restore the segment containing the block indicated. This
        may involve dropping the segment and recreating it. If there
        is a trace file, report the errors in it to your ORACLE
        representative.
 
*** Important: The notes below are for experienced users - See [NOTE:22080.1]

Explanation:
        ORA-1578 is reported when a block is thought to be corrupt on read.
        Note that in Oracle8i the ORA-1578 reports the RELATIVE FILE NUMBER
        and not the ABSOLUTE FILE NUMBER. The error should be accompanied
        by an ORA-1110 error indicating the absolute file number and name.

Diagnosis:
        a) Check for any ORA-600 errors in the ALERT and TRACE files.
       
        b) If the DB is open try to identify the corrupt object thus:

             SELECT  segment_name ,  segment_type ,  owner , tablespace_name
               FROM  sys.dba_extents
              WHERE  file_id = &bad_file_id
                AND  &bad_block_id BETWEEN block_id and block_id + blocks -1

           (&bad_file_id is the ABSOLUTE file number in Oracle8)

        c) This error is normal if accessing a block which has had
           a NOLOGGING (or UNRECOVERABLE) operation performed against
           it and has since been recovered. In Oracle8i this case also
           reports:
            "ORA-26040: Data block was loaded using the NOLOGGING option"      

Actions:
        If the ORA-1578 is preventing database STARTUP see the
        "ORA-1578 on Startup" section of [NOTE:106638.1]

        If the ORA-1578 is on a Rollback segment see [NOTE:106638.1]

        For any other ORA-1578 situation see [NOTE:28814.1]
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by:Moondancer
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Finalized
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