Server Administration :: ORA-01578 - ORACLE Data Block Corrupted
Sep 4, 2012
I am having 3 oracle database instances running on 3 seperate Linux Node(RHEL Node).
Instance -1 named - DS
Instance -2 named - MIS
Instance -3 named - OAS
Among of these 3 nodes, we are facing Block Corruption issues with sysaux tablespace.Error in Instance name DS is
Errors in file /u01/home/dba/oracle/diag/rdbms/ds4db/DS/trace/DS_j000_655388.trc (incident=300847):
ORA-01578: ORACLE data block corrupted (file # 2, block # 38428)
ORA-01110: data file 2: '/DSdb1/dssysaux.dbf'
ORA-26040: Data block was loaded using the NOLOGGING option
GATHER_STATS_JOB encountered errors. Check the trace file.
[code]....
for this I googled and found some solution as oracle doc [430230.1] related to sysaux couruption.After this again we are facing the same issue in sysaux tablespace.
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Nov 14, 2012
Oracle 10gR2 on red hat.
I have an application that writes blobs via pro*c. It is running at several sites without errors for a few years now. One of the newer sites has started reporting "ora-01578 ORACLE data block corrupted".
I've tried using rman backup validate - it does not report any errors.
I've tried using rman restore and recover to correct the problem.
I've tried deleting the file with the corrupt block and using rman restore and recover to recreate it.
In any of the above cases, I do not see any errors being encountered, and when I restart the application, it works for a while and then starts reporting "ora-01578 ORACLE data block corrupted".
I've had the client do a physical check of the disk and it indicated the media was okay.
We've failed over to the standby system, so I have a wee bit of breathing room - but I'm going to be away for 4 days and will have to get back on this when I get back. I'm a little puzzled that I can fix it for a short while and then it breaks again.
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Feb 11, 2013
we are running oracle 9iR2 ( 9.2.0.1.0) on windows server 2003 R2 and facing ORA-01578: ORACLE data block corrupted (file # 17, block # 312316)
SQL> select * from payrol.slip;
select * from payrol.slip
*
ERROR at line 1:
ORA-01578: ORACLE data block corrupted (file # 17, block # 312316)
ORA-01110: data file 17: 'E:ORACLEORADATAMTMASYSMTM.ORA'
ORA-26040: Data block was loaded using the NOLOGGING option
1) SELECT name FROM v$datafile WHERE file#=17;
output
E:ORACLEORADATAMTMASYSMTM.ORA
2) SELECT block_size FROM dba_tablespaces
WHERE tablespace_name =
(SELECT tablespace_name FROM dba_data_files WHERE file_id=17);
output
8192
3) SELECT tablespace_name, segment_type, owner, segment_name
FROM dba_extents
WHERE file_id = &AFN
and &BL between block_id AND block_id + blocks - 1;
file_id=17, BL=312316
output
SYSMTM TABLE PAYROL SLIP
I am not using RMAN. How to recover payrol.slip table ?
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Nov 21, 2012
What i have to do for this error:
ORA-01578: ORACLE data block corrupted (file # 3, block # 42348)
ORA-01110: data file 3: '+DGMETA/metadb/datafile/sysaux.257.783871811'
Wed Nov 21 09:30:00 2012
Corrupt Block Found
TSN = 2, TSNAME = SYSAUX
RFN = 3, BLK = 42348, RDBA = 12625260
OBJN = 50439, OBJD = 50439, OBJECT = MGMT_STRING_METRIC_HISTORY_PK, SUB
OBJECT = SEGMENT OWNER = SYSMAN, SEGMENT TYPE = Index Segment
Database version is :- Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - 64bi
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Jun 24, 2013
We are facing block corruption error and it's refer to system datafile (SYSTEM01.DBF).Below is the script through it, we can come to know about the extent.
select segment_name, segment_type from dba_extents
where file_id=1 and 134144 between block_id and block_id+blocks-1;
select owner,index_name,index_type, table_name from dba_indexes
where index_name='I_CDEF3';
How to resolve the problem as it is related to system datafile? We tried to drop the index but system is not allowing to do.
ORA-00701 - object necessary for warmstarting database cannot be altered.
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Feb 5, 2013
I have a table enrty in dba_tables:
SQL> select OWNER,TABLE_NAME from dba_tables where TABLE_NAME='Viep_Porteur_Etudiant';
OWNER TABLE_NAME
------------------------------ ------------------------------
IEP_PESSAC Viep_Porteur_Etudiant
But this tables doesn't exist then I can't drop this table:
SQL> desc IEP_PESSAC.Viep_Porteur_Etudiant;
ERROR:
ORA-04043: objet IEP_PESSAC.Viep_Porteur_Etudiant inexistant
SQL> drop table IEP_PESSAC.Viep_Porteur_Etudiant;
drop table IEP_PESSAC.Viep_Porteur_Etudiant
*
ERREUR à la ligne 1 :
ORA-00942: Table ou vue inexistante
How can I clean dba_table? I suppose that that's happened because the user tablespace was full when he tried to create this table...
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Aug 8, 2013
i found a temporary tablespace was corrupted,what happens to the database level, how to recover that tablespace? If need any recovery?
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Mar 3, 2012
how will you find your db is Corrupted or crashed. how will u recover it.
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Apr 27, 2011
I am using oracle 10g R2. Some how control file is corrupted and database is not open. and there is no backup of control file. Now i need to open the database without recreating the database.
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Aug 8, 2013
how to repair the blocks that gets corrupted found in dbverify
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May 12, 2011
1) What is PHYSICAL/LOGICAL Corruption.
2) How it occurs.
3) Will RMAN works on both the types of corruption or only Physical (My senior told it works on both).
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May 20, 2013
I am the only DBA in my company and Oracle just crashed on me. The data is corrupted as well as the data on my backup! Is there ANY way I can get the information back?
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Mar 12, 2010
Error is occurred during the transaction...i.e.
ORA-00607: Internal error occurred while making a change to a data block
ORA-00600: internal error code, arguments: [4194], [89], [83], [], [], [], [], []
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Feb 7, 2011
) How to find out, whether my Query return the output from the block of BUFFER CACHE or from DATAFILES?
2) How to calculate the no of data blocks were used to return a single output.
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Aug 15, 2011
I am using oracle 10g with sga_max_size =4GB and db block size 16k. Now i am creating a tablespace with block size 32 kb , whats value i select for the parameter db_32k_cache_size.
Is there any standard way to calculate the value of this parameter.
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Mar 31, 2012
①SQL> SELECT OBJECT_ID FROM DBA_OBJECTS WHERE OBJECT_NAME='T2012';
OBJECT_ID
---------
57082
②SQL> SELECT HEADER_BLOCK,BLOCKS FROM DBA_SEGMENTS WHERE SEGMENT_NAME = 'T2012';
HEADER_BLOCK BLOCKS
------------- --------
683 8
③SQL> SELECT DBMS_ROWID.rowid_block_number(ROWID)USED_BLOCK_NUMBER FROM SCOTT.T2012;
USED_BLOCK_NUMBER
----------------
684
④SQL> SHUTDOWN IMMEDIATE;
⑤SQL> STARTUP;
⑥SQL> SELECT BLOCK#,CLASS# FROM V$BH WHERE OBJD = '57082';
no data found
⑦SQL> SELECT * FROM SCOTT.T2012;
ID
-----
1
⑧SQL> SELECT BLOCK#,CLASS# FROM V$BH WHERE OBJD='57082';
BLOCK# CLASS#
------- ----------
686 1
684 1
687 1
685 1
688 1
683 4
⑨SQL> SELECT EMPTY_BLOCKS FROM DBA_TABLES WHERE TABLE_NAME='T2012';
EMPTY_BLOCKS
------------
3
QUESTIONS ONE:
in the ⑧ step,why block#685,block#686,block#687,block#688 in the buffer cache after i query data from scott.T2012?
QUESTIONS TWO:
in the ⑨ step,what's the block number of the empty block?just like DBMS_ROWID.ROWID_BLOCK_NUMBER(ROWID).
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Nov 17, 2011
Is there any way I can calculate percentage of space used in a block.Eg if a table size is 100 blocks,How Can I check the percentage of used space in block.
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Feb 26, 2013
for some reason,i want to know which data block contains free space,or which table/index contains free space.
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Jan 4, 2012
One of our developers team member had created a Anonymous block program to do something in the Database, and he forgotten and terminated the session without confirming the program's status, whether it was fully ran or not.
Is there any way to check out the status of this, which happened yesterday?
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Jan 6, 2011
We are creating non standard blocking size for 16k and so accordingly have to set the parameter db_16k_cache_size.
if have any thumb rule for setting the value for this parameter.
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Nov 17, 2011
I am in charge of several instances located on a Linux server CentOS, virtualized on a ESX 3.5 environment.
From time to time (every 4 to 5 days), I have some errors in the alert.log. Last occurence was last night :
Corrupt block relative dba: 0x01004e12 (file 4, block 19986)
Fractured block found during buffer read
Data in bad block:
type: 6 format: 2 rdba: 0x01004e12
last change scn: 0x0000.131aaa5b seq: 0x2 flg: 0x04
[Code] ........
We are doing user manual backup (with BEGIN/END BACKUP) every night at 8PM, ending at 9PM approx. Then, fractured blocks never occur during backups. At 1AM, the maintenance window is opening, thus explaining the GATHER_STATS_JOB job.
When I check corruption on early morning, I am always unable to reproduce the problem. DBV is OK without issues. We never had a problem with the data itself, whatever it is a table or an index in the reported failed block.
I would like to know what could cause these logical corruption, and how to stop them ?
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May 16, 2012
I have a database where view v$database_block_corruption shows a corrupted block
SQL> select * from v$database_block_corruption;
FILE# BLOCK# BLOCKS CORRUPTION_CHANGE# CORRUPTIO
---------- ---------- ---------- ------------------ ---------
4 756652 1 5.5157E+12 CORRUPT
I am not able to get the relevant segment from the above information
SQL> select segment_name, segment_type, owner
2 from dba_extents
3 where file_id = 4
4 and 756652 between block_id
5 and block_id + blocks -1;
no rows selected
DBVERIFY Summary
DBVERIFY - Verification complete
Total Pages Examined : 3932160
Total Pages Processed (Data) : 3119107
Total Pages Failing (Data) : 0
Total Pages Processed (Index): 755048
[code]....
I have uploaded the complete logfile.
Below is a part of logfile
DBVERIFY - Verification starting : FILE = /prd/dvp/ora/oradata/LHF/disk06/gds_t01_01.dbf
Block Checking: DBA = 21728172, Block Type = KTB-managed data block
**** kdxcoavs = -84 < 0, avail = 3129
---- end index block validation
Page 756652 failed with check code 6401
##not here that 756652 is the same block# mentioned in v$database_block_corruption
here i tried finding the OBJECT ID as below
SELECT dbms_utility.data_block_address_block(21728172) "BLOCK", dbms_utility.data_block_address_file(21728172) "FILE" FROM dual;
BLOCK FILE
---------- ----------
756652 5
Now for the same BLOCK it is giving different File, again the segment_name or segment_id could not be found from the above information.
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Feb 7, 2013
Recently we have a weird thing happens in our Oracle Queries to the views return "ORA-00942: table or view does not exist" unless there are a where clause
select * from VIEW1 failed
select * from VIEW1 where 1 = 1 works
What happening? and how we can fix it?
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Oct 24, 2011
SQL> select block_size from v$controlfile;
BLOCK_SIZE
----------
16384
SQL> show parameter db_block_size;
NAME TYPE VALUE
------------------------------------ ----------- ------------------------------
db_block_size integer 8192
the 2 can have difference block size?
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Mar 31, 2013
I have read almost all docs about distributed transaction on tahihi.oracle.com website,But I can find a statment about this:
Can Oracle always guarrantee the data consistent in a distributed transaction?
For example,there is a distributed transaction on node a,node b and nod c.node b and node c informed node a they were prepared,so node a committed,and inform node b and node c commit.then node b committed and feedback,but network on node c broken at this point,So node a can't not get feedback from node c,but node a and node b has been committed, so what will Oracle do in this condition?
If node c rollback the data on local node, consistent in this distributed transaction was failed ,yes?
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Apr 17, 2010
When i was starting my database .there was an error
ora-00333:redo log read error block 203 count 8192.
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Nov 26, 2011
i written this code i m facing ORA-04030: out of process memory when trying to allocate 16408 bytes error
/* Formatted on 2011/11/26 11:52 (Formatter Plus v4.8. */
DECLARE
row_id varchar2(50);
v_batch_id temp.batch_id%TYPE;
v_slab_id temp.slab_id%TYPE;
flag NUMBER (2);
num varchar2(50) := &row_id;
[code].....
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Aug 31, 2010
My understanding of DB_FILE_MULTIBLOCK_READ_COUNT parameter is that it affects only Full Table Scans and Fast Full Index Scans - all other disk retrieval is single block.If so, then maybe I'm reading this trace incorrectly:
select /*+ first_rows */ pk
from test_join_tgt
where pk >= 0
and rownum > 1
call count cpu elapsed disk query current rows
------- ------ -------- ---------- ---------- ---------- ---------- ----------
Parse 1 0.01 0.00 0 0 0 0
Execute 1 0.00 0.00 0 0 0 0
Fetch 1 21.48 27.77 22368 22134 0 0
------- ------ -------- ---------- ---------- ---------- ---------- ----------
total 3 21.49 27.78 22368 22134 0 0
[code]...
What the heck is going on with the Multi-block reads in the Range Scan?
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Sep 24, 2013
i am continuously inserting data to oracle database after some time like 2 hours oracle disconnects,it creates erros like
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Process ID: 0
Session ID: 0 Serial number: 0
after restarting the database with shutdown immediate ans startup if i start inserting records it will show erros like
ORA-01653: unable to extend table SYSTEM.GLT_PROT_TRAFFIC_SUM_VOIP by 8192 in tablespace GLCOMM
but i have created the Tablespace with BigFile Auto Extend and max size unlimited, i am having 400GB disk space created Redo logs with 15gb,i have tried serveral times reinstalling the oracle but problem is not solved.
same problem is happenging with small datafiles also,
operating system: windows server 2008 R2 standard
oracle server : 11g
oracle client : 64 bit
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Nov 19, 2010
i have multi data block filed. and checkbox field which based on control block...My task is when i check checkbox only one field should enabled and my mouse goes to that field
e.g
item11 item21 item31 chkbox1
item12 item22 item32 chkbox2
Scenario like this :
My item field based on data block and checkbox based on control block,while i checked chkbox1 , only item31 on that current record should be enabled and i changed value only on that field
when i checked chkbox1 , my cursor goes to item31...not item32
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