Data blocks are corrupted : Error ORA-01578

Hi All,
We having a serious problem with the oracle running in our development server.
Data blocks are corrupted with the error ORA-01578
and we have identified the segment as an Table TBTCO.
Hence can any body suggest us the way to resolve this.
Currently we dont require any data from that table. In that
case can we drop down the table and import it again with
the same table downloaded from production server?
As we dont have any oracle DBA's please suggest us the way to resolve this.
Please advise.
Thanks & Regards,
DVRK

Hey,
if you are using RMAN backup you can restore and recover only the corrupted blocks.
For more information take a look at that nice blog article from Lars:
Some hints to make handling of oracle datablock corruptions more efficient
If you don't have any idea howto handle this situation, please open a SAP call.
Regards
Stefa

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How to use dvb to find which blocks are corrupted?

hi
how to use dvb to find which blocks are corrupted?
and how to repair it from two days back user managed back up when database is in no archive log mode?
rgrds
Edited by: new2appsdba on Jul 30, 2010 9:50 PM

Hi,
Please see these documents.
Note: 434013.1 - HOW TO TROUBLESHOOT AND RESOLVE an ORA-1110
Note: 352907.1 - Script To Run DBV On All Datafiles Of the Database
Note: 836658.1 - Identify the corruption extension using RMAN/DBV/ANALYZE etc
Note: 35512.1 - DBVERIFY - Database file Verification Utility (7.3.2 - 10.2)
Note: 403747.1 - FAQ: Physical Corruption
Note: 28814.1 - Handling Oracle Block Corruptions in Oracle7/8/8i/9i/10g/11g
Thanks,
Hussein

Ora-01578 data block got corrupted

hi folks,
im running oracle9i and using VB6.0 as my front-end. suddenly in my application i got the above error and after a couple of minutes everything is fine.
i would like to know from the guru's and pandits of oracle why this error occurs and what is the best solution to avoid these type of errors in future.
thanks to one n all
have a nice day n night as well

First you need to find out the corrupted block details using available different methods, that is, ANALYZE, DB_VERIFY, DBMS_REPAIR, DB_BLOCK_CHECKING etc., and correct or repair the data block corruption
For more details on how to detect and repair the data block corruption, take a look at the below Oracle Documentations.
http://download.oracle.com/docs/cd/B10501_01/server.920/a96521/repair.htm
Oracle Metalink Note:28814.1
Subject “Handling Oracle Block Corruptions in Oracle7/8/8i/9i/10g”
Asktom Links for block corruption
http://asktom.oracle.com/pls/asktom/f?p=100:1:1990916026426034::NO:RP::
Regards,
Sabdar Syed.

Oracle Error ORA-01578,ORA-01110

Sir,
As per verbal discussion regarding Problem of Oracle-7 database file curruption, below is the error message which I received
ORA-01578: ORACLE data block corrupted (file # 2, block # 5739)
ORA-01110: data file 2: 'C:\ORAWIN95\DATABASE\usr1orcl.ora'
Just one table is not working properly name: balance
Please not that this is a Personal Oracle 7 version database
I will be highly thankful to you if you will please findout the solution of my problem because it has very imortant data...
My email is [email protected]
thanks

I have not worked with Oracle7 but check if this package is available in your version and if yes. You can work with it to fix the problem.
DBMS_REPAIR
DBMS_REPAIR contains data corruption repair procedures that enable you to detect and repair corrupt blocks in tables and indexes. You can address corruptions where possible and continue to use objects while you attempt to rebuild or repair them.
http://download-west.oracle.com/docs/cd/B10501_01/appdev.920/a96612/d_repair.htm#ARPLS044
Joel Pérez

Error - ORA-01578 during archiving testing.

Dear Gurus,
Please note that we are getting the block corrupt error on continuous DB blocks during execution. Your input is required to figure out the issue and your kind help is needed to resolve this issue.
Please see below link for error.
[http://i47.tinypic.com/r9hr8i.jpg]
Thanks
Malik Adeel Imtiaz

Hi Malik,
During both the operation you may face some slowness on DB , dbverify you can run on backup files also to avoid scanning online dbfiles
dbms repair will fixed the corrupt block by removing them hence there could be loss of data
DBMS_REPAIR:
http://docs.oracle.com/cd/B19306_01/server.102/b14231/repair.htm
DB Verify:
http://docs.oracle.com/cd/B13789_01/server.101/b10825/dbverify.htm
Thanks,
Ajay More
http://moreajays.blogspot.com

Unable to add external data source in BAM : Error ORA-12505

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In BAM,
Im trying to add an external data source for creating a data object.
But when i try to test the connection i get the following error:
Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
Source: "java.sql.SQLException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor "
Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
Source: "oracle.net.ns.NetException: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor "
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lsnrctl stop.
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lsnrctl reload
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Data Guard Broker teasing error ORA-12514: TNS:listener

Hello,
I have spent many hours but don't understand what little thing I am missing or confusing me.. Please help to fix the issue.
Physical Standb db created successfully, but now facing following issue: Though it should be and must be fixed but really making me mad
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Configuration - DATA GUARD
Protection Mode: MaxPerformance
Databases:
    dg - Primary database
Fast-Start Failover: DISABLED
Configuration Status:
DISABLED
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> AS CONNECT IDENTIFIER IS DG_DB2
> MAINTAINED AS PHYSICAL;
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Failed.
PRIM:
db_name: DG
db_unique_name: dg
service_names: dg
STBY:
db_name: DG
db_unique_name: dg_db2
service_names: dg_db2
# TNSNAMES same entries on both Primary and Standby: HOSTNAMES are different.
DG =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = dg)
DG_DB2 =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = db02.domain)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = dg_db2)
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))   db02.domain for Standby on standby machine.
# Listener.ora on PRIMARY:
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = db01.domain)(PORT = 1521))
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = dg_DGMGRL.domain)
      (ORACLE_HOME = /oracle/app/11g/db)
       (SID_NAME = dg)
       (SERVICE_NAME = dg.domain)
# Listener.ora on Standby:
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (GLOBAL_DBNAME = dg_db2_DGMGRL.domain)
      (ORACLE_HOME = /oracle/app/11g/db)
       (SID_NAME = dg_db2)
       (SERVICE_NAME = dg_db2.domain)
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = db02.domain)(PORT = 1521))
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
I created Stby DB with the minimum parameters required, so that I configure BROKER and see it magic, but badly stuck in this situation here. I have read many docs related to this..but can not fix it unfortunately.
Please guide me from your own experience as note ids, blogs are not helping me here...
Bundle of thanks.
Best Regards

Hi,
Your listener.ora file has SERVICE_NAME = dg_db2.domain whereas tnsnames.ora file has SERVICE_NAME = dg_db2.
Check in your database for exact service name and reflect the same in both the files.
SQL> sho parameter service_names
Restart the listener and try connecting.
Thank you!!

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I am not having much knowledge about how this ASCP/APS works.
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Thanks,

Hi,
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1. Responsibility: Advanced Planning Administrator
2. Navigation: Admin > Instances
You may review the note in support.oracle.com - Understanding DB Links Setup for APS Applications - ASCP and ATP Functionality (Doc ID 813231.1)

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hi
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baltwo...
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Oracle V11.2.0.3 ORA-01578: ORACLE data block corrupted - OBJECT = IDL_UB1$

Hi,
I am running into a data corruption issue.
My database is:
SQL> select banner from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
The following information is written to the alert.log File
alert.log File
Mon Nov 07 17:24:12 2011
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 2
Using LOG_ARCHIVE_DEST_1 parameter default value as USE_DB_RECOVERY_FILE_DEST
Autotune of undo retention is turned on.
IMODE=BR
ILAT =27
LICENSE_MAX_USERS = 0
SYS auditing is disabled
Starting up:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - Production.
ORACLE_HOME = /home/oracle/dbhome
System name: Linux
Node name: dbl-ora
Release: 2.6.18-274.3.1.el5 (This is rhel5.7 or CentOs5.7)
Version: #1 SMP Tue Sep 6 20:14:03 EDT 2011
Machine: i686 / vm
Mon Nov 07 19:42:14 2011
Corrupt Block Found
TSN = 0, TSNAME = SYSTEM
RFN = 1, BLK = 52346, RDBA = 4246650
OBJN = 225, OBJD = 225, OBJECT = IDL_UB1$, SUBOBJECT =
SEGMENT OWNER = SYS, SEGMENT TYPE = Table Segment
Errors in file /home/oracle/diag/rdbms/ora11/K/trace/K_ora_5425.trc (incident=11053):
ORA-01578: ORACLE data block corrupted (file # 1, block # 52346)
ORA-01110: data file 1: '/home/oracle/oradata/ora11/system01.dbf'
Incident details in: /home/oracle/diag/rdbms/ora11/K/incident/incdir_11053/K_ora_5425_i11053.trc
I was even able to detect the row that is generating the issue.
In my case the obj# 33573 until 33577 are causing the issue,
though I have no idea what sort of objects are affected.
SQL> select * from idl_ub1$ where obj#=33572;
OBJ# PART VERSION PIECE# LENGTH P
33572 1 0 0 9032 F
SQL> select * from idl_ub1$ where obj#=33573;
ERROR:
ORA-01578: ORACLE data block corrupted (file # 1, block # 52346)
ORA-01110: data file 1: '/home/oracle/oradata/ora11/system01.dbf'
no rows selected
SQL> select * from idl_ub1$ where obj#=33577;
ERROR:
ORA-01578: ORACLE data block corrupted (file # 1, block # 52358)
ORA-01110: data file 1: '/home/oracle/oradata/ora11/system01.dbf'
no rows selected
SQL> select * from idl_ub1$ where obj#=33578;
OBJ# PART VERSION PIECE# LENGTH P
33578 1 0 0 9032 F
Any idea, how to fix this problem without recreating the whole database?
Thanks in advance.
wmager
Edited by: magerxr on Nov 7, 2011 8:27 AM

magerxr wrote:
Thanks again for your quick advise.
Here comes the result of dbv against my system tablespace.
[oracle@dbl-ora ~]$ dbv FILE=/home/oracle/oradata/ora11/system01.dbf
DBVERIFY: Release 11.2.0.3.0 - Production on Mon Nov 7 22:39:11 2011
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
DBVERIFY - Verification starting : FILE = /home/oracle/oradata/ora11/system01.dbf
Page 52346 is influx - most likely media corrupt
Corrupt block relative dba: 0x0040cc7a (file 1, block 52346)
Fractured block found during dbv:
Data in bad block:
type: 6 format: 2 rdba: 0x0040cc7a
last change scn: 0x0000.0010acfa seq: 0x1 flg: 0x04
spare1: 0x0 spare2: 0x0 spare3: 0x0
consistency value in tail: 0x00000000
check value in block header: 0x8fda
computed block checksum: 0xaafbselect owner, segment_type, segment_name from dba_extents
where file_id = 1 and 52346 between block_id and block_id+blocks-1;
>
Page 52347 is marked corrupt
Corrupt block relative dba: 0x0040cc7b (file 1, block 52347)
Bad header found during dbv:
Data in bad block:
type: 1 format: 6 rdba: 0x0000a206
last change scn: 0xacfa.0040cc7b seq: 0x10 flg: 0x00
spare1: 0xfa spare2: 0xac spare3: 0x401
consistency value in tail: 0x00000000
check value in block header: 0x0
block checksum disabled
select owner, segment_type, segment_name from dba_extents
where file_id = 1 and 52347 between block_id and block_id+blocks-1;
Page 52361 is marked corrupt
Corrupt block relative dba: 0x0040cc89 (file 1, block 52361)
Bad header found during dbv:
Data in bad block:
type: 1 format: 6 rdba: 0x0000a206
last change scn: 0xacfb.0040cc89 seq: 0x10 flg: 0x00
spare1: 0xfb spare2: 0xac spare3: 0x401
consistency value in tail: 0x32298500
check value in block header: 0x0
block checksum disabled
select owner, segment_type, segment_name from dba_extents
where file_id = 1 and 52361 between block_id and block_id+blocks-1;
>
>
DBVERIFY - Verification complete
Total Pages Examined : 122880
Total Pages Processed (Data) : 81298
Total Pages Failing (Data) : 0
Total Pages Processed (Index): 22307
Total Pages Failing (Index): 0
Total Pages Processed (Other): 3349
Total Pages Processed (Seg) : 1
Total Pages Failing (Seg) : 0
Total Pages Empty : 15910
Total Pages Marked Corrupt : 16
Total Pages Influx : 1
Total Pages Encrypted : 0
Highest block SCN : 4064615 (0.4064615)post results from 3 SQL above

ORA-01578: ORACLE data block corrupted

Dera Guru's,
In SAP i have following error in Oracle Database
SQL error in the database when accessing a table
"Database error text........: "ORA-01578: ORACLE data block corrupted (file #
38, block # 72576) ORA-01110: data file 38:
'K:\ORACLE\D01\SAPDATA4\D01_12\D01.DATA12'"
How can i resolve it.Please guide me...
Thank you for your help and advice....

Error: ORA-01578 (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.
Do you already identify the object corrupted ?
What kind of backup do you have ?
Edited by: marcopb on Sep 10, 2012 2:47 PM

Data Block Corruption error

Hi
I have a partitioned table which has bitmap indexes on it.
Some of the bitmap indexes are giving datablock corruption error. Currently I am dropping the index and recreating it.
Is there any other way to resolve this issue?
Thanks.

What type of system is this - OLTP or Datawarehouse ?
Since you did not post the exact Oracle error received, lets try some educated guess. Are you getting this error:
ORA-01578: ORACLE data block corrupted (file # string, block # string)
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.
Did you see if there was something more useful in the trace file (if created)?

ORA-01578 block corrupted in OLAP instances

Hi all,
We found in almost every instance we got OLAP Option installed this error:
ORA-01578: bloque de datos ORACLE corrupto (archivo numero 3, bloque numero 1452)
ORA-01110: archivo de datos 3: 'G:\ORADATA\NKDW2\CWMLITE01.DBF'
ORA-06512: en "OLAPSYS.CWM2_OLAP_METADATA_REFRESH", linea 8
when executing:
cwm2_OLAP_METADATA_REFRESH.MR_REFRESH()
The first time we thought it was due to a "real" block corruption but when started to appear
in others instances (different physical machines) we really thought it could be a bug.
Several disk scans on linux and windows environments showed us everything was fine but Oracle
still persist in the block corruption.
Any ideas? your comments are welcome
Thanx in advanced
aLeX

Please confirm the corruption.
select tablespace_name
, segment_type
, owner
, segment_name
from dba_extents
where file_id='3'
and '1425' between block_id and block_id + blocks -1;
Since you're running into issues on several machines (on a procedure in a package) it's possible that a piece of the code might be corrupted in some way. Can you drop the package then recreate it? The ?/cwmlite/admin/cwm2mrrf.plb and cwm2mrrf.plb scripts recreate this bit. If it turns out you have a bad script we can wrap you a new one and send it.

Data blocks are corrupted : Error ORA-01578

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