Impact on import if there is a block corruption error in exported dump file

Hi All
I got an exported file(exp utility) from production database and in the log it is showing the error
EXP-00056: ORACLE error 1578 encountered
ORA-01578: ORACLE data block corrupted (file # 29, block # 387036)
ORA-01110: data file 29: '+ORAFILES/prod/datafile/data.1750.715846723'
ORA-26040: Data block was loaded using the NOLOGGING option
There were two such errors. At the end of the export it is giving the message "Export terminated successfully with warnings"
I want to if I do an import using imp will there be any issues with the import.
will the import complete successfully.
The database version is 10.2.0.2.0
Regards,
Samrat
Edited by: Samrat Kumar on May 18, 2010 11:23 PM

You may try the import and hope it works out, but you and your DBA should address the ORA-26040 error message. Identify the segments that relate to both errors you encountered (using file id and block number) and figure out the what you may want to do if those are not index segments. Here is a link to a similar issue:
ORA-26040: Data block was loaded using the NOLOGGING option
Good Luck

Similar Messages

HOW TO IMPORT DATA MORE THAN ONCE FROM THE SAME EXPORT DUMP FILE?

before asking my question i'd like to mention that i'm a french spoke...
so my english is a little bit bad. sorry for that.
my problem is : IMPORT
how to import data a SECOND TIME from an export dump file within oracle?
My Export dump file was made successfully (Full Export) and then i
tried to import datas for the first time.
I got this following message in my logfile: I ADDED SOME COMMENTS
Warning: the objects were exported by L1, not by you
. importing SYSTEM's objects into SYSTEM
REM ************** CREATING TABLESPACES *****
REM *********************************************
IMP-00015: following statement failed because the object already exists:
"CREATE TABLESPACE "USER_DATA" DATAFILE 'E:\ORANT\DATABASE\USR1ORCL.ORA' SI"
"ZE 3145728 DEFAULT STORAGE (INITIAL 10240 NEXT 10240 MINEXTENTS 1 MAX"
"EXTENTS 121 PCTINCREASE 50) ONLINE PERMANENT"
IMP-00015: following statement failed because the object already exists:
"CREATE TABLESPACE "ROLLBACK_DATA" DATAFILE 'E:\ORANT\DATABASE\RBS1ORCL.ORA"
"' SIZE 10485760 DEFAULT STORAGE (INITIAL 10240 NEXT 10240 MINEXTENTS "
"1 MAXEXTENTS 121 PCTINCREASE 50) ONLINE PERMANENT"
etc........
IMP-00017: following statement failed with ORACLE error 1119:
"CREATE TABLESPACE "L1" DATAFILE 'E:\ORADATA\L1.DBF' SIZE 1048576000 "
"DEFAULT STORAGE (INITIAL 10240 NEXT 10240 MINEXTENTS 1 MAXEXTENTS 121 PCTIN"
"CREASE 50) ONLINE PERMANENT"
IMP-00003: ORACLE error 1119 encountered
ORA-01119: error in creating database file 'E:\ORADATA\L1.DBF'
ORA-09200: sfccf: error creating file
OSD-04002: unable to open file
O/S-Error: (OS 3) The system cannot find the path specified
--->etc..........
the drive E: with the folder E:\ORADATA didn't exist, but after
all that i created it.
see below, before my IMPORT statement
REM ********************* CREATING USER *********
REM ********************************************
IMP-00017: following statement failed with ORACLE error 959:
"CREATE USER "L1" IDENTIFIED BY VALUES 'A6E0DAA6865E7627' DEFAULT TABLESPACE"
" "L1" TEMPORARY TABLESPACE "TEMPORARY_DATA""
IMP-00003: ORACLE error 959 encountered
ORA-00959: tablespace 'L1' does not exist
IMP-00017: following statement failed with ORACLE error 959:
"CREATE USER "MLCO" IDENTIFIED BY VALUES '56AC6447B7D50467' DEFAULT TABLESPA"
"CE "MLCO" TEMPORARY TABLESPACE "TEMPORARY_DATA""
IMP-00003: ORACLE error 959 encountered
ORA-00959: tablespace 'MLCO' does not exist
ETC.......
REM ********************* GRANTING ROLES ***********
REM ************************************************
IMP-00017: following statement failed with ORACLE error 1917:
"GRANT ALTER ANY TABLE to "L1" "
IMP-00003: ORACLE error 1917 encountered
ORA-01917: user or role 'L1' does not exist
ETC.........
IMP-00017: following statement failed with ORACLE error 1918:
"ALTER USER "L1" DEFAULT ROLE ALL"
IMP-00003: ORACLE error 1918 encountered
ORA-01918: user 'L1' does not exist
-- that is normal, since the creation of the
tablespace failed !!
REM******************************
IMP-00015: following statement failed because the object already exists:
"CREATE ROLLBACK SEGMENT RB_TEMP STORAGE (INITIAL 10240 NEXT 10240 MINEXTENT"
"S 2 MAXEXTENTS 121) TABLESPACE "SYSTEM""
IMP-00015: following statement failed because
. importing SCOTT's objects into SCOTT
IMP-00015: following statement failed because the object already exists:
"CREATE SEQUENCE "EVT_PROFILE_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999"
"999999 INCREMENT BY 1 START WITH 21 CACHE 20 NOORDER NOCYCLE"
ETC............
importing L1's objects into L1
IMP-00017: following statement failed with ORACLE error 1435:
"ALTER SCHEMA = "L1""
IMP-00003: ORACLE error 1435 encountered
ORA-01435: user does not exist
REM *************** IMPORTING TABLES *******************
REM ****************************************************
. importing SYSTEM's objects into SYSTEM
. . importing table "AN1999_BDAT" 243 rows imported
. . importing table "BOPD" 112 rows imported
. . importing table "BOINFO_AP" 49
ETC................
. . importing table "BO_WHF" 2 rows imported
IMP-00015: following statement failed because the object already exists:
"CREATE TABLE "DEF$_CALL" ("DEFERRED_TRAN_DB" VARCHAR2(128),
IMP-00015: following statement failed because the object already exists:
"CREATE SYNONYM "DBA_ROLES" FOR "SYS"."DBA_ROLES""
IMP-00015: following statement failed because the object already exists:
"CREATE SYNONYM "DBA_ERRORS" FOR "SYS"."DBA_ERRORS""
IMP-00008: unrecognized statement in the export file:
. importing L1's objects into L1
IMP-00017: following statement failed with ORACLE error 1435:
"ALTER SCHEMA = "L1""
IMP-00008: unrecognized statement in the export file:
J
Import terminated successfully with warnings.
-------------------------------------b]
So after analysing this log file, i created
the appropriate drives and folders... as the
import statement doesn't see them.
E:\ORADATA G:\ORDATA etc...
And i started to [b]IMPORT ONE MORE TIME. with:
$ IMP73 sys/pssw Full=Y FILE=c:\temp\FOLD_1\data_1.dmp BUFFER=64000
COMMIT=Y INDEXFILE=c:\temp\FOLD_1\BOO_idx.sql
LOG=c:\temp\FOLD_1\BOO_log.LOG DESTROY=Y IGNORE=Y;
after that i could not see the users nor the
tables created.
and the following message appeared in the log file:
Warning: the objects were exported by L1, not by you
. . skipping table "AN1999_BDAT"
. . skipping table "ANPK"
. . skipping table "BOAP"
. . skipping table "BOO_D"
ETC.....skipping all the tables
. . skipping table "THIN_PER0"
. . skipping table "UPDATE_TEMP"
Import terminated successfully without warnings.
and only 2 new tablespaces (originally 3) were
created without any data in ( i check that in
the Oracle Storage manager : the tablespaces exit
with 0.002 used space; originally 60 M for each !!)
so,
How to import data (with full import option) succefully
MORE THAN ONE TIME from an exported dump file ?
Even if we have to overwrite tablespaces , tables and users.
thank you very much

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How to overcome from Data block corruption error

Hi,
I am using one table when i was deleting one row, i encountered "Data block corruption error".
Kindly suggest solutions for the same.
Regards,
Abhishek

If you have a recovery manager backup, then you can perform a block recovery operation, after the information shown on the error message where the file# and the block# are displayed you can perform the block recovery operation.
Syntax for the block recovery operation can be found here : BLOCKRECOVER
In case of an index block, it is enough to rebuild the index.
In case you have a regular backup with archivelog enabled you can restore the damaged datafile and perform a simple file recovery operation.
One more additional tip that can be used, you may be interested in using the DBMS_REPAIR package unit.
Finally, I suggest you to check the complete datafile using dbv (Database Verifier) utility to find out if there are more corrupt blocks in your datafile, and proactively run this utility as a maintenance task.
~ Madrid

How to import external table, which exist in export dump file.

My export dump file has one external table. While i stated importing into my developement instance , I am getting the error "ORA-00911: invalid character".
The original definition of the extenal table is as given below
CREATE TABLE EXT_TABLE_EV02_PRICEMARTDATA
EGORDERNUMBER VARCHAR2(255 BYTE),
EGINVOICENUMBER VARCHAR2(255 BYTE),
EGLINEITEMNUMBER VARCHAR2(255 BYTE),
EGUID VARCHAR2(255 BYTE),
EGBRAND VARCHAR2(255 BYTE),
EGPRODUCTLINE VARCHAR2(255 BYTE),
EGPRODUCTGROUP VARCHAR2(255 BYTE),
EGPRODUCTSUBGROUP VARCHAR2(255 BYTE),
EGMARKETCLASS VARCHAR2(255 BYTE),
EGSKU VARCHAR2(255 BYTE),
EGDISCOUNTGROUP VARCHAR2(255 BYTE),
EGREGION VARCHAR2(255 BYTE),
EGAREA VARCHAR2(255 BYTE),
EGSALESREP VARCHAR2(255 BYTE),
EGDISTRIBUTORCODE VARCHAR2(255 BYTE),
EGDISTRIBUTOR VARCHAR2(255 BYTE),
EGECMTIER VARCHAR2(255 BYTE),
EGECM VARCHAR2(255 BYTE),
EGSOLATIER VARCHAR2(255 BYTE),
EGSOLA VARCHAR2(255 BYTE),
EGTRANSACTIONTYPE VARCHAR2(255 BYTE),
EGQUOTENUMBER VARCHAR2(255 BYTE),
EGACCOUNTTYPE VARCHAR2(255 BYTE),
EGFINANCIALENTITY VARCHAR2(255 BYTE),
C25 VARCHAR2(255 BYTE),
EGFINANCIALENTITYCODE VARCHAR2(255 BYTE),
C27 VARCHAR2(255 BYTE),
EGBUYINGGROUP VARCHAR2(255 BYTE),
QTY NUMBER,
EGTRXDATE DATE,
EGLISTPRICE NUMBER,
EGUOM NUMBER,
EGUNITLISTPRICE NUMBER,
EGMULTIPLIER NUMBER,
EGUNITDISCOUNT NUMBER,
EGCUSTOMERNETPRICE NUMBER,
EGFREIGHTOUTBOUNDCHARGES NUMBER,
EGMINIMUMORDERCHARGES NUMBER,
EGRESTOCKINGCHARGES NUMBER,
EGINVOICEPRICE NUMBER,
EGCOMMISSIONS NUMBER,
EGCASHDISCOUNTS NUMBER,
EGBUYINGGROUPREBATES NUMBER,
EGINCENTIVEREBATES NUMBER,
EGRETURNS NUMBER,
EGOTHERCREDITS NUMBER,
EGCOOP NUMBER,
EGPOCKETPRICE NUMBER,
EGFREIGHTCOSTS NUMBER,
EGJOURNALBILLINGCOSTS NUMBER,
EGMINIMUMORDERCOSTS NUMBER,
EGORDERENTRYCOSTS NUMBER,
EGRESTOCKINGCOSTSWAREHOUSE NUMBER,
EGRETURNSCOSTADMIN NUMBER,
EGMATERIALCOSTS NUMBER,
EGLABORCOSTS NUMBER,
EGOVERHEADCOSTS NUMBER,
EGPRICEADMINISTRATIONCOSTS NUMBER,
EGSHORTPAYMENTCOSTS NUMBER,
EGTERMCOSTS NUMBER,
EGPOCKETMARGIN NUMBER,
EGPOCKETMARGINGP NUMBER,
EGWEIGHTEDAVEMULTIPLIER NUMBER
ORGANIZATION EXTERNAL
( TYPE ORACLE_LOADER
DEFAULT DIRECTORY EV02_PRICEMARTDATA_CSV_CON
ACCESS PARAMETERS
LOCATION (EV02_PRICEMARTDATA_CSV_CON:'VPA.csv')
REJECT LIMIT UNLIMITED
NOPARALLEL
NOMONITORING;
While importing , when i seen the log file , it is failing the create the external table. Getting the error "ORA-00911: invalid character".
Can some one suggest how to import external tables
Addressing this issue will be highly appriciated.
Naveen

Hi Srinath,
When i observed the create table syntax of external table from import dump log file, it show few lines as below. I could not understand these special characters. And create table definationis failing with special character viz ORA-00911: invalid character
ACCESS PARAMETERS
LOCATION (EV02_PRICEMARTDATA_CSV_CON:'VPA.csv').
I even observed the create table DDL from TOAD. It is same as i mentioned earlier
Naveen

IMPORT a VIEW from an export dump file

I'm trying to import a view from an export dump file. In using the Import Utility, do I use the TABLE parameter and give the View name ie: TABLES=view1
null

Only I want to do is import ONE view from an export dmp file that contains hundereds of table, many views and procedures. I do not want to reimport everything from the export file.

Oracle giving Block corruption errors when using CDC for sending the data to SQL Server 2012

Hello Friends,
We are facing an error while using CDC with Oracle. It is a "Block corruption" error, which indicates at some level of data corruption. We ran RMAN validate command to scan the database for corruption but it returned with no errors, however he
Alert Log in Oracle is still coming up with the following error. Has anyone experienced this error when using Oracle Standard Edition and SQL 2012 ?
Trace file e:\app\pulse-ad\diag\rdbms\orcl\orcl\trace\orcl_ora_5992.trc
Oracle Database 11g Release 11.1.0.7.0 - 64bit Production
Windows Server 2003 Version V5.2 Service Pack 2
CPU                 : 4 - type 8664, 4 Physical Cores
Process Affinity    : 0x0000000000000000
Memory (Avail/Total): Ph:6782M/24575M, Ph+PgF:12203M/30844M
Instance name: orcl
Redo thread mounted by this instance: 1
Oracle process number: 151
Windows thread id: 5992, image: ORACLE.EXE (SHAD)
*** 2013-12-12 03:04:33.655
*** SESSION ID:(1281.3832) 2013-12-12 03:04:33.655
*** CLIENT ID:() 2013-12-12 03:04:33.655
*** SERVICE NAME:(orcl) 2013-12-12 03:04:33.655
*** MODULE NAME:(xdbcdcsvc.exe) 2013-12-12 03:04:33.655
*** ACTION NAME:() 2013-12-12 03:04:33.655
Lost-write detected for sequence 70856. The lost-write starts occurring in block 11193. The current block being validating is 12930.
Block dump of the first lost-write block:
Flag: 0x1 Format: 0x22 Block: 0x00002bb9 Seq: 0x000114bf Beg: 0x94 Cks:0x68ee
Dump of memory from 0x0000000598D06C00 to 0x0000000598D06E00
598D06C00 00002201 00002BB9 000114BF 68EE8094 [."...+.........h]
598D06C10 00085BF1 0023BDA1 000DE19C 000DE19C [.[....#.........]
598D06C20 0000000C 00000000 2209160A 5BF10000 [..........."...[]
598D06C30 3EB10502 00C0F5CA 0031BDA1 00010205 [...>......1.....]
598D06C40 02B22C6A 038A6D69 00000001 00000000 [j,..im..........]
598D06C50 4D554407 30373230 35BB0206 001100AE [.DUM0270...5....]
598D06C60 0001040A 000D000E 038A6D69 56B25735 [........im..5W.V]
598D06C70 729C0003 E19C0001 000C0006 000D0006 [...r............]
598D06C80 02BB0502 00C0F5CD 0023BDA1 000A0002 [..........#.....]
598D06C90 00C00013 000000D0 00030201 56B25736 [............6W.V]
598D06CA0 03890001 00000000 00000000 002E0105 [................]
598D06CB0 FFFF0003 00C0F5CD 56B25736 3EB10003 [........6W.V...>]
598D06CC0 FFFF0024 0014000C 000C0018 00120014 [$...............]
598D06CD0 09CC0058 E75B0022 0009000F 00085BF1 [X...".[......[..]
598D06CE0 0024BDA1 000DE19D 000DE19D 0000000C [..$.............]
598D06CF0 00000000 2309160A 5BF10000 3EB10502 [.......#...[...>]
598D06D00 00C0F5CD 0020BDA1 00010205 02B22C72 [...... .....r,..]
598D06D10 03900974 00000019 00000000 3030300A [t............000]
598D06D20 33303030 06323132 AE35BB02 0B441100 [0003212...5...D.]
598D06D30 0001040A 000D000E 03900974 56B25736 [........t...6W.V]
598D06D40 729C0003 E19D0011 000C0006 000D0006 [...r............]
598D06D50 02BB0502 00C0F5CD 0024BDA1 00EA0002 [..........$.....]
598D06D60 00270016 000001FC 00032C01 56B25736 [..'......,..6W.V]
598D06D70 00000001 00000000 30393007 002E0105 [.........090....]
598D06D80 FFFF0003 00C0F5CD 56B25736 00000003 [........6W.V....]
598D06D90 FFFF0025 00140052 000C0018 00070035 [%...R.......5...]
598D06DA0 0003000A 00070003 0001001D 00030001 [................]
598D06DB0 00010001 00010001 00010001 00010001 [................]
598D06DC0 00010001 00010001 00010001 00010001 [................]
598D06DD0 00010001 00000001 00010001 00010001 [................]
598D06DE0 00010001 00000014 09720174 00000022 [........t.r."...]
598D06DF0 0009000F 00085BF1 0025BDA1 000DE19A [.....[....%.....]
Block dump of the current block being validating:
Flag: 0x1 Format: 0x22 Block: 0x00003282 Seq: 0x000114c8 Beg: 0x0 Cks:0x312a
Dump of memory from 0x0000000598DDFE00 to 0x0000000598DE0000
598DDFE00 00002201 00003282 000114C8 312A8000 [."...2........*1]
598DDFE10 50424703 31303607 34353335 69745319 [.GBP.6015354.Sti]
598DDFE20 6E696C72 72502067 6375646F 4C207374 [rling Products L]
598DDFE30 4E206474 C3025650 0380013D 0457454E [td NPV..=...NEW.]
598DDFE40 4E1E09C2 1E09C204 10C2024E 1E09C204 [...N....N.......]
598DDFE50 09C2044E C2024E1E 03C30510 021B0929 [N....N......)...]
598DDFE60 C3053DC3 0F192602 2602C305 C3050F19 [.=...&.....&....]
598DDFE70 0C1A6203 5102C105 C2041F4E 044E1E09 [.b.....QN.....N.]
598DDFE80 4E1E09C2 0410C202 4E1E09C2 1E09C204 [...N.......N....]
598DDFE90 10C2024E 2903C305 78071B09 011D0B71 [N......)...xq...]
598DDFEA0 BF020101 1FBF0215 4E018001 53014E01 [...........N.N.S]
598DDFEB0 0723002C 0B0C7178 0A3C3C18 30303030 [,.#.xq...<<.0000]
598DDFEC0 33373030 4D033337 47034255 36075042 [007373.MUB.GBP.6]
598DDFED0 38333936 4E113331 2065776B 74616C50 [693813.Nkwe Plat]
598DDFEE0 6D756E69 56504E20 0B0AC303 4E038001 [inum NPV.......N]
598DDFEF0 C2045745 0459512E 59512EC2 5253C203 [EW...QY...QY..SR]
598DDFF00 512EC204 2EC20459 C2035951 C3055253 [...QY...QY..SR..]
598DDFF10 1B092903 0B0AC303 3C04C305 C3053239 [.).........<92..]
598DDFF20 32393C04 4F08C305 C105114F 1F4E5102 [.<92...OO....QN.]
598DDFF30 512EC204 2EC20459 C2035951 C2045253 [...QY...QY..SR..]
598DDFF40 0459512E 59512EC2 5253C203 2903C305 [.QY...QY..SR...)]
598DDFF50 78071B09 01190A71 C0030101 C0034709 [...xq........G..]
598DDFF60 8001330A 4E014E01 002C5301 71780723 [.3...N.N.S,.#.xq]
598DDFF70 3C180B0C 30300A3C 30303030 33373337 [...<<.0000007373]
598DDFF80 42554D03 50424703 31304207 344C5131 [.MUB.GBP.B011QL4]
598DDFF90 6F725020 63657073 614A2074 206E6170 [ Prospect Japan ]
598DDFFA0 646E7546 64724F20 44535520 30302E30 [Fund Ord USD0.00]
598DDFFB0 04C30331 03800133 0557454E 5B1603C3 [1...3...NEW....[]
598DDFFC0 03C30521 04215B16 1F4004C3 1603C305 [!....[!...@.....]
598DDFFD0 C305215B 215B1603 4004C304 03C3051F [[!....[!...@....]
598DDFFE0 031B0929 043304C3 4D245AC2 245AC204 [).....3..Z$M..Z$]
598DDFFF0 02C3054D 040A1A18 494002C1 1603C305 [M.........@I....]
*** 2013-12-12 03:05:07.984
** LOGMINER WARNING - Invalidated 6 LCRs **
Complete dump of first invalid START LCR follows:
++ LCR Dump Begin: 0x0000000532C004E0 - CANNOT_SUPPORT
     op: 255, Original op: 3, baseobjn: 0, objn: 233316, objv: 1
     DF: 0x00000002, DF2: 0x00000000, MF: 0x00000000, MF2: 0x00000000
     PF: 0x40000001, PF2: 0x00002000
     MergeFlag: 0x00, FilterFlag: 0x00
     Id: 0, iotPrimaryKeyCount: 3, numChgRec: 4
     NumCrSpilled: 0
     RedoThread#: 1, rba: 0x0114c8.0001c6ce.00d4
     scn: 0x0003.56b593be, xid: 0x0008.00c.00100d85, pxid: 0x0008.00c.00100d85
     ncol: 0newcount: 0, oldcount: 0
     LUBA: 0x3.c109c0.c.15.38f64
Thanks
Dee

Hi Dee,
Thank you for your question.
I am trying to involve someone more familiar with this topic for a further look at this issue. Sometime delay might be expected from the job transferring. Your patience is greatly appreciated.
Thank you for your understanding and support.
Regards,
Mike Yin
TechNet Community Support

Block corruption error

Hi,
We are facing block corruption error file system file. I rtied to identify the corrupted object using dba_extents but that query is also giving the block corruption error for the same block. we are running the database in noarchivelog mode and we don't have backup.
please suggest the way how can i solve this corruption error?
Thanks in advance.
Regards
Chirag

you can use dbverify to check which blocks are corrputed and see below to know how to solve it http://www.google.co.in/search?hl=en&q=how+to+resolve+block+corruption%2Boracle&btnG=Search&aq=f&aqi=&aql=&oq=&gs_rfai=

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Hi,
I have Oracle 8.x version export dump file.
When i try to import this file in Oracle 9i db, it fails everytime. I have tried with all possible options in import utility. When i start import it shows as a active jobs in the jobs list but after few seconds it disappears from active tab and goes to failed list. It doesnot even gives the reason for failure. No error messages also. I don't know what shoud i do as i want to upgrade my 8.x data to 9i. I have currently only 9i installed on windows 2000 Server.
Please reply to my query as sson as possible.
Thanks

i beleive, u are using OEM or any other tool to do the export and import.
FIRST make sure, u have configured OEM properly to handle the batch jobs.
easiest way is to use the command line utilities.
use exp of lower version to export the source database.
create similiar users and tablespaces ( tablespace names is not a must) in target database.
use the same lower version of imp to import into target database.

When I try importing a CD following message comes up: error occurred whilst converting file " name of fist song on CD" You do not have the privilege to make changes. Any ideas? thanks John.

When I try importing a CD following message comes up: error occurred whilst converting file " name of fist song on CD" You do not have the privilege to make changes. Any ideas? thanks John.

Read the part about changing permissions on the iTunes folder in: https://discussions.apple.com/message/11583914

Is there anyway we can check the validity of dump file in Unix system

Hi,
I have taken export of 2 tables which are huge in volume. one of the table seems to be successfully exported yet another one failed due to space scarcity. Since both the tables share a single dumpfile.
I wanted to know.
1. Can we use the same dumpfile to import the table which is successfull or it can not be used because the second table got error while exporting?
2. Is there any way we can check the validity of dumpfile in unix plateform.
Your reply is highly appreciated.

784786 wrote:
Hi,
I have taken export of 2 tables which are huge in volume. one of the table seems to be successfully exported yet another one failed due to space scarcity. Since both the tables share a single dumpfile.
I wanted to know.
1. Can we use the same dumpfile to import the table which is successfull or it can not be used because the second table got error while exporting?No. It is better to take another backup of the same
>
2. Is there any way we can check the validity of dumpfile in unix plateform.
Please check the export log backup. If it says that export terminated successfully, then the dump may be fine.

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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)?

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Hi,
Oracle version : 9.2.0.8.0
os : sun soalris
error in alert log file:
Errors in file /u01/app/oracle/admin/qtrain/bdump/qtrain_smon_24925.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-01578: ORACLE data block corrupted (file # 1, block # 19750)
ORA-01110: data file 1: '/u01/app/oracle/admin/qtrain/dbfiles/system.dbf'system datafile is restored from backup still the error is logged in alert log file
Inputs are appreciated.
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Prakash

Hi,
Thanks for the inputs
OWNER                          SEGMENT_NAME                                                                      PARTITION_NAME                 SEGMENT_TYPE       TABLESPACE_NAME                 EXTENT_ID    FILE_ID   BLOCK_ID      BYTES     BLOCKS RELATIVE_FNO
SYS                            SMON_SCN_TO_TIME                                                                                                 CLUSTER            SYSTEM                                  1          1      19749      16384          1            1
SYS                            SMON_SCN_TO_TIME                                                                                                 CLUSTER            SYSTEM                                  2          1      19750      32768          2            1Thanks
Prakash

Block corruption error in system datafile

Hi Guru,
There is a problem in system datafile of production database, one of the block has been corrupted.we have set the configuration of RMAN with SBT_TAPE for backup. when we try to recover using then following commands then we get some error. Please help to solve the issue.database 1s 10g on linux environment.
RMAN> RUN
ALLOCATE CHANNEL c1 DEVICE TYPE disk;
blockrecover datafile 3 block 39830;
}2> 3> 4> 5>
allocated channel: c1
channel c1: sid=1417 devtype=DISK
Starting blockrecover at 21-MAR-13
released channel: c1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of blockrecover command at 03/21/2013 13:02:10
RMAN-06026: some targets not found - aborting restore
RMAN-06100: no channel to restore a backup or copy of datafile 3
RMAN>
RMAN> blockrecover datafile 3 block 39830;
Starting blockrecover at 21-MAR-13
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=1417 devtype=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: sid=2351 devtype=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: sid=1452 devtype=DISK
allocated channel: ORA_DISK_4
channel ORA_DISK_4: sid=1270 devtype=DISK
allocated channel: ORA_DISK_5
channel ORA_DISK_5: sid=1865 devtype=DISK
allocated channel: ORA_DISK_6
channel ORA_DISK_6: sid=2064 devtype=DISK
allocated channel: ORA_DISK_7
channel ORA_DISK_7: sid=1734 devtype=DISK
allocated channel: ORA_DISK_8
channel ORA_DISK_8: sid=1574 devtype=DISK
released channel: ORA_DISK_1
released channel: ORA_DISK_2
released channel: ORA_DISK_3
released channel: ORA_DISK_4
released channel: ORA_DISK_5
released channel: ORA_DISK_6
released channel: ORA_DISK_7
released channel: ORA_DISK_8
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of blockrecover command at 03/21/2013 13:19:59
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2
RMAN>
RMAN> show all;
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 7;
CONFIGURE BACKUP OPTIMIZATION OFF;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/d02/rman/ctl_%F';
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE 'SBT_TAPE' TO '%F';
CONFIGURE DEVICE TYPE DISK PARALLELISM 8 BACKUP TYPE TO BACKUPSET;
CONFIGURE DEVICE TYPE 'SBT_TAPE' PARALLELISM 8 BACKUP TYPE TO BACKUPSET;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '/d02/rman/%T_%d_%s_%p';
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE ENCRYPTION FOR DATABASE OFF;
CONFIGURE ENCRYPTION ALGORITHM 'AES128';
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/d02/rman/snapcf_PROD.f';

Please find the below backup and recovery scripts.
Daily backup script
====================
run {
allocate channel 'dev_0' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_1' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_2' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_3' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_4' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_5' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_6' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
allocate channel 'dev_7' type 'sbt_tape'
parms 'ENV=(OB2BARTYPE=Oracle8,OB2APPNAME=PROD,OB2BARLIST=Monday-ERP-RMAN-Daily)';
delete noprompt archivelog until time 'sysdate-2';
crosscheck archivelog all;
sql 'alter system archive log current';
backup as compressed backupset
format 'Monday-ERP-RMAN-Daily<PROD_%s:%t:%p>.dbf'
database;
backup as compressed backupset
format 'Monday-ERP-RMAN-Daily<PROD_%s:%t:%p>.dbf'
archivelog all;
backup
format 'Monday-ERP-RMAN-Daily<PROD_%s:%t:%p>.dbf'
current controlfile;
we tried the following command as well.
RMAN> RUN
ALLOCATE CHANNEL c1 DEVICE 'sbt_tape';
blockrecover datafile 3 block 39830;
but the same error as below.
RMAN> show all;
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO REDUNDANCY 7;
CONFIGURE BACKUP OPTIMIZATION OFF;
CONFIGURE DEFAULT DEVICE TYPE TO DISK;
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/d02/rman/ctl_%F';
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE 'SBT_TAPE' TO '%F';
CONFIGURE DEVICE TYPE DISK PARALLELISM 8 BACKUP TYPE TO BACKUPSET;
CONFIGURE DEVICE TYPE 'SBT_TAPE' PARALLELISM 8 BACKUP TYPE TO BACKUPSET;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
CONFIGURE CHANNEL DEVICE TYPE DISK FORMAT '/d02/rman/%T_%d_%s_%p';
CONFIGURE MAXSETSIZE TO UNLIMITED;
CONFIGURE ENCRYPTION FOR DATABASE OFF;
CONFIGURE ENCRYPTION ALGORITHM 'AES128';
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE;
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/d02/rman/snapcf_PROD.f';
RMAN>
also tried the following command
=======================
RMAN> RUN
ALLOCATE CHANNEL c1 DEVICE TYPE disk;
blockrecover datafile 3 block 39830;
}2> 3> 4> 5>
allocated channel: c1
channel c1: sid=1417 devtype=DISK
Starting blockrecover at 21-MAR-13
released channel: c1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of blockrecover command at 03/21/2013 13:02:10
RMAN-06026: some targets not found - aborting restore
RMAN-06100: no channel to restore a backup or copy of datafile 3
RMAN>
RMAN> blockrecover datafile 3 block 39830;
Starting blockrecover at 21-MAR-13
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=1417 devtype=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: sid=2351 devtype=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: sid=1452 devtype=DISK
allocated channel: ORA_DISK_4
channel ORA_DISK_4: sid=1270 devtype=DISK
allocated channel: ORA_DISK_5
channel ORA_DISK_5: sid=1865 devtype=DISK
allocated channel: ORA_DISK_6
channel ORA_DISK_6: sid=2064 devtype=DISK
allocated channel: ORA_DISK_7
channel ORA_DISK_7: sid=1734 devtype=DISK
allocated channel: ORA_DISK_8
channel ORA_DISK_8: sid=1574 devtype=DISK
released channel: ORA_DISK_1
released channel: ORA_DISK_2
released channel: ORA_DISK_3
released channel: ORA_DISK_4
released channel: ORA_DISK_5
released channel: ORA_DISK_6
released channel: ORA_DISK_7
released channel: ORA_DISK_8
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of blockrecover command at 03/21/2013 13:19:59
ORA-19554: error allocating device, device type: SBT_TAPE, device name:
ORA-27211: Failed to load Media Management Library
Additional information: 2
RMAN>

Disk Utility reports a block count error for a deleted file?

I carry out a regular scan of the hard drive and on occasions disk utility reports that a file has a bad block count. It is usually a large file like a CR2 or TIFF and is also one which has been deleted? Not only put in the trash but emptied the trash as well.
The only other thing of note, which I havn't checked if it is relevent to my problem, is on occasion when I go to empty the trash it reports it can't be fully emptied as one of the files is still in use, even though it isn't? If I use secure empty trash it dletes the file.
In case its relevent:
I use Canon's DPP & ACR for CR2 files and PS CS6/CC for TIFF's. I also delete TIFFS from within Bridge CS6/CC.
Both Disk Utility and Drive Genius report the SMART status as being OK.

Hi Hollie, and welcome to the forums!
Have you created images before successfully?
Is this to/on your boot drive, or an external drive?
Have you done any Disk/OS maintenance lately?
We might see if there are some big temp files left or such...
How much free space is on the HD, where has all the space gone?
OmniDiskSweeper is now free, and likely the best/easiest...
http://www.omnigroup.com/applications/omnidisksweeper/
WhatSize...
http://www.macupdate.com/info.php/id/13006/
Disk Inventory X...
http://www.derlien.com/
GrandPerspective...
http://grandperspectiv.sourceforge.net/

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