Datafile lost

hi
I lost some of my datafiles and I dont have any full backup and the database was running in noarchivelog mode....
How can i recover those file if their is a way...
Thanks and regards

BPeasland wrote:
I lost some of my datafiles and I dont have any full backup and the database was running in noarchivelog mode....
How can i recover those file if their is a way...Even if you were running in ArchiveLog mode, you won't be able to recover that datafile without a valid backup. Not completely correct! You can recreate the datafile using the command alter database create datafile as and can apply over it the archive logs and can recovery it even when you don't have a backup.
Aman....

Similar Messages

Datafile lost. No backups or archivelogs

DB version: 11.2.0.2
In our newly created DB which is in NOARCHIVELOG mode, we lost a datafile in one of our tablespaces (accidently removed).
We don't have RMAN backups or archivelogs since the DB creation.
What is the most we could do ?

Thank you Hemant, Najat
Yes. After mentioning that the DB is in NOARCHIVELOG mode, I didn't have to mention "We don't have RMAN backups or archivelogs since the DB creation" .Sorry to confuse you.
This was the only datafile in that tablespace. So, i guess I have to add another one before dropping the lost datafile (from control file)
This is what I am going to do
alter tablespace mytbs add datafile '/u04/oradata/orcl_mytbs01_a.dbf' size 1g;
alter tablespace mytbs drop datafile '/u04/oradata/orcl_mytbs01.dbf'; --- The lost datafile

Datafile Lost but no backup available

Version:11g
We are archivelog mode.
We inadvertantly lost a datafile and due to some reasons the RMAN backup is not accesible. But all archived logs are available. Is it possible for me to recover the datafile?

Hi friend,
We can perform complete recovery in four situations.
1. System datafile corrupted with recent backup.
2. non-system datafile corrupted with backup.
3. non-system datafile corrupted without backup.
4. Disk corrupted and recreating non system datafile.
steps
Recovery of a Missing Datafile that has no backups (database is open).
If a non system datafile that was not backed up since the last backup is missing,
recovery can be performed if all archived logs since the creation
of the missing datafile exist.
Pre requisites: All relevant archived logs.
1. alter tablespace <tablespace_name> offline immediate;
2. alter database create datafile '/user/oradata/u01/dbtst/newdata01.dbf';
3. recover tablespace <tablespace_name>;
4. alter tablespace <tablespace_name> online;
If the create datafile command needs to be executed to place the datafile on a
location different than the original use:
alter database create datafile '/user/oradata/u01/dbtst/newdata01.dbf' as
'/user/oradata/u02/dbtst/newdata01.dbf'
for more information about complete recovery scenarios
download the below document
blogs.oracle.com/.../gems/BackupAndRecoveryChecklist.pdf

New datafile lost!

anyone knows if a new datafile which is added into a tablespace and then is losted, is there any method to maintain the database working using the remaining datafile for the tablespace?
thx.

To re-create the control file if no backup for datafiles and controlfiles. Did you ever backup controlfile to trace? Pls consult Oracle Docs for creating controlfile.

Recovering a lost Daa File

Oracle Server( 8.1.6.2, No Archivelog Mode,OS: solaris 2.8)
I lost one of the DF for the TS having n DF's.
While starting the instance i dropped that DF using
alter database datafile <n> offline drop;
then i started the oracle instance in open mode to minimize the recover time.
then i added one DF in place of the lost DF with
alter database create datafile '< lost DF >' as '< new DF >;
which has added one DF in place of that lost DF but its in recover mode.
Its very true that this file has to be in recover mode, as this is offline and the SCN is diff.
As stated by oracle if u need to recover this type of failure with this method
which i opted for then u need to have all the archive logs since the lost DF was created.
But my concern is to change the state of this newly added DF from recover to online.
i know that i cant have the data back without the archive logs, but i dont want that .
just i need to make it online.
Can u suggest some solutioin to this to recover the DF without data means to change the
state from recover to online. or u tell me the way so i can remove the lost DF entry from
the DB after loosing the file and recovering the DB with offline drop.
Thanks in advance
Regards
Rohit Chandok

This is Oracle's guarantee..data is consistent. And so to that note, no, you cannot ONLINE a file unless it is consistent with the rest of the database.
The only way to offline and online a file without requiring recovery is:
1. OFFLINE NORMAL - peforms a checkpoint and all data is consistent to that point
2. Make the tablespace READ-ONLY.
If you have ALL OF THE ONLINE LOGS since the datafile was created, then you can issue recover datafile and enter the online logs at the prompt.
Or, try to restore the last backup of the datafile and apply the online logs.
You can restore the last cold backup of the whole database, which will then make the database consisitent.
Or, you will have to drop the tablespace that contains the lost datafile. You can try to export the data from the files that remain online. After you have salvages any data remaining, then drop and recreate the tablespace and then import the database back in.
When you do not archive, you have limited choices in recovery and understand that you could lose all data since the last cold backup.
If your database is small, you may want to supplement your cold backups with exports.
Or as a last resort, call Oracle consultanting and see if the can 'unload' the data from the tablespace. It will $$.

Restore and recovery cases, please add any if i am missing any

in an up database, datafile gets corrupted
in an up database, system file gets corrupted
in an up database, datafile lost
when you start database, log file shows corruption
Please add

I am not sure that what exactly you are trying to do, sorry for a dry comment! There are a lot of different cases which are defined in the B/R guide. I must say that you finish them all first reading the B/R guide side by side. Once you are done, read Rama Velpuri's 8i Backup and ecovery guide and practise it. Once you are fnished from both, I doubt that ther would be anything left .
Just my 2 cents.
Aman....

From RMAN?

Hi Gurus,
Regarding recovery:
User managed:
If a datafile lost then we copy manually only that lost datafile and use recover command.
RMAN:
Instead of manual copy the RMAN itself do it.
This is my question, Suppose we have full backup with RMAN, if there is a datafile lost or corrupted then we run this command
Rman> restore database;
Now, what action the RMAN will do, is it copy back entire datafiles? Or it copy only lost or corrupted datafile, or it copy the corrupted portion/data blocks only?
Thanks

Hi,
once you rman>restore database; It will all the datafiles from the backup and even the control file too. But, after that you need to give alter database mount and find out the location of present archive log files that has been generated and start applying those archive log files to the database.
sql>startup mount
sql>recover database until cancel using backup controlfile;
It will ask for the location of the archive log files,
give the archive log files location : '/u1/oracle/arch/arch1.arc'
then
sql>alter database open resetlogs;
sql>alter database open;
Then don't forget to create a temp tablespace or add datafile to temp tablespace
query v$tempfile
dba_data_files
and query dba_users, to find out which tablespaces and users are assigned the temp tablespace.
then shutdown and startup.
Its done.

Database crash simulator (for training)?

Hi All
I would like to prepare for OCP (from 10g) exam. I there any software (free or commercial) to simulate some typical database crashes (lost redologs, lost datafile, lost controlfile and many other.). So that user should detect what has happened and correct the issue. Of course I can do it myself, but when you know what is exactly wrong, it is easy to correct as well.
Regards
Groxy

You can do it by yourself
I advice you to install VMware on your PC, install Oracle on it. SHutdown and copy whole Vmware folder to another directory.
THen open vmware and start your testing. If you'll do something that you can't recover, (of course, you have to do your best to recover crashed database) just close the vmware and delete it. And open another vmware and do your testings there
Kamran Agayev A. (10g OCP)
http://kamranagayev.wordpress.com

Needs suggestion and help regarding my preparation

I am looking for new job from my existing role. Here all the interviews are I am getting are scenario based and I am not able to reply most of them and as a result getting rejecting in every instance. . In my day to day work I am a part of DBA Monitoring team and everyday job is to monitor tablespace, listener, checking important mountpoint space, instance health check and backup monitoring, it is becoming boring day by day, hence I want to switch. But how to prepare for these typical scenarios based queries, I have both and single and Dataguard setup in my own laptop to play with but I am not getting any idea how to stimulate the different scenario's which can help me to crack the interviews.
Any idea/advice and suggestions will be highly appreciated and will be followed diligently. Thanks in advance.

Hi,
i hope ....in real time world ...they expecting more from you than what your doing now....as DBA...
actually as a DBA you have to do practice/play on your laptop or test environments...lots of things are there to do....
how to prepare myself to reply those type problem scenario's and their solutions
practice and ...........practice...practice...practice.......practice...practice...practice......practice...practice...practice......practice...practice...practice...... various scenarious.......on your test machine......
example: 1st thing is you have to learn oracle architecture and gain the sound knowledge on that.... book expert oracle architecture by thomas kyte...
2:backup and recovery ....every interviewer is expecting more info from you ..in this category...i hope..you have to practice various scenorious on your test machine ...
like some of below....take a full backup of your database before proceeding any.R&D....
1:datafile loss...system datafile losss... delete from the disk and try to restore/recover the db....do practice by using offline backup/online bcakup...
2 redo corruption....modifing redo log size....
3)controfile corruption/lost
4)data gaurd archive log missing sequence like gap at standby side..wrt primary.....break the N/W connection try this scenario...practice switch over/fail over scenarious..etc..
5)practice point in time recovery....
6)take hot backup of database practice above ones...like datafile lost/corruption...etc...
7) unconsciously table drop...flashback technology...
8)RMAN..beauty of oracle...lots of thing are there to play on test by using RMAN...
configuration....show all...it will give you the some conf parameter try to read each and every conf parameter do if its configure other than default...if you ..backup..restore...of any file missing...like datafile missing controfile file missing..etc...practice/play RMAN cmds....
now a days every interviewer will ask lots of things about RMAN....
9) do the cloning by using offline backup/online backup/RMAN
http://gavinsoorma.com/2010/06/some-more-rman-recovery-scenarios/
http://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmintro.htm
http://docs.oracle.com/cd/B19306_01/backup.102/b14191.pdf
once you got the sound knowldge on above things...then performence tuning.... analyzing statspack report/awr...etc..
my suggestion is make a habit of to fallow oracle forum every day..if possible every Hr..and try to read old posts in the form.....reproduce problem by your self and fallow the.experts solution and document those it will useful for you in future ..things makes good for you...all the very best....
thanks,
DBC,
Sr DBA.
Edited by: dbc001 on Mar 10, 2013 10:36 AM

Recovering from crash after power failure without having done backups

Hi,
Is it possible to use RMAN or any other technique to recover an Oracle 9i db using just the archive and redo log files that Oracle automatically creates. My DB crashed and I have not done any backups ever. If it's possible, what is the easiest way?
Please note that I am not a DBA. Just a programmer using oracle.
The data is not critical but being able to recover it will save lots of time.
Please email replies to [email protected] is possible.

What are the real results of this crash? Are the datafiles lost? If not and nothing (disk) is damaged, such a power failure is the same as a 'shutdown abort'. After restart Oracle automatically performs a crash recovery and only uncommitted transactions are lost.
But it's not enough to have only logfiles (archived and online).
Werner

Can I Select from table skipping extents linked with lost datafiles?

Hi~,
I need your help to recover my database.
I'm using oracle 9.2.0.8 at Fedora 3 with no-archive mode.
and I don't have any backup.
Last night, I experenced hard disk failure.
I tried OS-level recovery, but I lost some datafiles of tablespace.
anyway, I wanted to recover my database without data of lost datafiles.
so, I issued "alter database datafile offline drop" and
start oracle instance.
But, datafiles were not removed from dba_data_files view and
extents linked with lost datafiles were not removed from dba_extents view!
Selecting query of some table containing extents linked with lost data files,
I got "ORA-00376: file xxx cannot be read at this time" message.
So, my question is that..
HOW CAN I SELECT FROM THAT TABLE WITHOUT SCANNING EXTENTS LINKED WITH LOST DATA FILES?
Thanks.

Hi,
Without being in archivelog and without backup, one can't do any sort of recovery. That's why backups and archivelog are so so important.
The offline data file command never does actually drop the datafile. It merely indicates to the control file that now the said tablespace will also be dropped. This won't update any view that the files are not supposed to be used or shown to you anymore.
This is what documentation says about the recovery of the database in the NoARch mode,
http://download.oracle.com/docs/cd/B19306_01/backup.102/b14191/osrecov.htm#i1007937
You do need a backup in order to get those tables being read. Oracle doesn't have any feature which can offline/skip the missing extents for you and let you read the data without them.
HTH
Aman....

Can we use online redo log to recover lost datafile in NOARCHIVE mode?

I am working on OCA exam and confued about these 2 sample questions. (similar questions with totally different answer)
Please give me hint about the different between these 2 questions.
** If the database is in NOARCHIVELOG mode, and one of the datafile for tablespace USERS is lost, what kind of recovery is possible? (answer: B)
A. All transactions except those in the USERS tablespace are recoverable up to the loss of the datafile.
B. Recovery is possible only up to the point in time of the last full database backup.
C. The USERS tablespace is recoverable from the online redo log file as long as none of the redo log files have been reused since the last backup.
D. Tablespace point in time recovery is available as long as a full backup of the USERS tablespace exists.
** The database of your company is running in the NOARCHIVELOG mode. You perform a complete backup of the database every night. On Monday morning, you lose the USER1.dbf file belonging to the USERS tablespace. Your database has four redo log groups, and there have been two log switches since Sunday night's backup.
Which is true (answer: B)
A. The database cannot be recovered.
B. The database can be recovered up to the last commit.
C. The database can be recovered only up to the last completed backup.
D. The database can be recovered by performing an incomplete recovery.
E. The database can be recovered by restoring only the USER!.dbf datafile from the most recent backup.

I think Gaurav is correct, you can recover to the last commit even in NOARCHIVELOG, as long as all the changes in the redo logs have not been overwritten. So answer should be B for question 2.
Here is my test:
SQL> select log_mode from v$database;
LOG_MODE
NOARCHIVELOG
SQL> select tablespace_name, file_name from dba_data_files;
TABLESPACE_NAME
FILE_NAME
USERS
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\USERS01.DBF
SYSAUX
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\SYSAUX01.DBF
UNDOTBS1
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\UNDOTBS01.DBF
SYSTEM
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\SYSTEM01.DBF
DATA
C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\DATA01.DBF
SQL> create table names
2 ( name varchar(16))
3 tablespace users;
Table created.
so this segment 'names' is created in the datafile users01.
At this point I shut down and mount the DB, then:
RMAN> backup database;
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:29
Finished backup at 06-OCT-07
SQL>alter database open
SQL> insert into names values ('pippo');
1 row created.
SQL> commit;
Commit complete.
SQL>shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
At this point I delete datafile users01 and restart:
SQL> startup
ORACLE instance started.
Total System Global Area 167772160 bytes
Fixed Size 1247900 bytes
Variable Size 67110244 bytes
Database Buffers 96468992 bytes
Redo Buffers 2945024 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 4 - see DBWR trace file
ORA-01110: data file 4: 'C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\USERS01.DBF'
restoring the backup taken before inserting the value 'pippo' in table names:
RMAN> restore database;
Starting restore at 06-OCT-07
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\SYSTEM01.D
BF
restoring datafile 00002 to C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\UNDOTBS01.
DBF
restoring datafile 00003 to C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\SYSAUX01.D
BF
restoring datafile 00004 to C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\USERS01.DB
F
restoring datafile 00005 to C:\ORACLE\PRODUCT\10.2.0\ORADATA\ORA101RC\DATA01.DBF
channel ORA_DISK_1: reading from backup piece C:\ORACLE\PRODUCT\10.2.0\DB_1\DATA
BASE\0AITR52K_1_1
channel ORA_DISK_1: restored backup piece 1
piece handle=C:\ORACLE\PRODUCT\10.2.0\DB_1\DATABASE\0AITR52K_1_1 tag=TAG20071006
T181337
channel ORA_DISK_1: restore complete, elapsed time: 00:02:07
Finished restore at 06-OCT-07
RMAN> recover database;
Starting recover at 06-OCT-07
using channel ORA_DISK_1
starting media recovery
media recovery complete, elapsed time: 00:00:05
Finished recover at 06-OCT-07
SQL> alter database open;
Database altered.
SQL> select * from names;
NAME
pippo
SQL>
enrico

Lost of datafile to 2 tablespaces, no rman but expdp image

Hello,
We lost 2 datafiles to 2 tablespaces in our non-production database. We can not open the database because of the missing 2 datafiles on the same mountpoint. The database is mounted. How to drop these 2 tablespaces and datafiles so the database can be open? We do not have rman but do have expdp files as backup. Thank you.

Offline drop the datafiles,drop the tablespaces,recreate them,import the data.
ALTER DATABASE DATAFILE '<full_path_file_name>' OFFLINE DROP;
ALTER DATABASE OPEN;
DROP TABLESPACE <tablespace_name> INCLUDING CONTENTS;
CREATE TABLESPACE <tablespace_name> DATAFILE
'<datafile_full_path_name'> SIZE <required_size>;
impdp .....
Werner

Lost datafile Problem

My database is in noarchivelog mode
I had a tablespace with 3 datafiles and 1 datafile is deleted accidently.
I know i cant recover the datafile as the database is in noarchivelog mode.
my DB is only a test database.
Now what i have to do inorder to run my database with out any errors.I dont care about recovering the data.
I am getting error ORA-01116: error in opening database file string
Thankx...

Hi Taj,
Ok I will do as what u suggested.But is there any minimum possiblity that i can recover the lost datafile.
i have the backup of the of lost datafile on production database.can i copy that datafile to the test database and add this datafile to the tablespace.

Recovery of a lost datafile without backup

Its the demo for recovery of a lost datafile without backup,but you should have database in archivelog
in order to make complete recovery,otherwise in noarchivelog mode you may lose some data.Every steps is
self explainatory so i feel need'nt to add some textual description during demo
If any findings can be elaborate more please do comments.
SQL*Plus: Release 10.1.0.2.0 - Production on Fri Feb 8 10:35:24 2008
Copyright (c) 1982, 2004, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select name from v$database
2 /
NAME
ORCL
SQL> create tablespace my_tablespace datafile 'C:\oracle\product\10.1.0\oradata\orcl\my_datafile.dbf' size 500M
2 /
Tablespace created.
SQL> set linesize 1000
SQL> select * from v$tablespace
2 /
       TS# NAME                           INC BIG FLA
         0 SYSTEM                         YES NO YES
         1 UNDOTBS1                       YES NO YES
         2 SYSAUX                         YES NO YES
         4 USERS                          YES NO YES
         3 TEMP                           YES NO YES
         6 EXAMPLE                        YES NO YES
         9 MY_TABLESPACE                  YES NO YES
7 rows selected.
SQL> alter user scott default tablespace my_tablespace
2 /
User altered.
SQL> conn scott/tiger@orcl
Connected.
SQL> create table my_table as select * from all_objects
2 /
Table created.
SQL> desc my_table
Name
OWNER
OBJECT_NAME
SUBOBJECT_NAME
OBJECT_ID
DATA_OBJECT_ID
OBJECT_TYPE
CREATED
LAST_DDL_TIME
TIMESTAMP
STATUS
TEMPORARY
GENERATED
SECONDARY
SQL> conn sys/sys@orcl as sysdba
Connected.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.
C:\>cd C:\oracle\product\10.1.0\oradata\orcl
C:\oracle\product\10.1.0\oradata\orcl>dir *.dbf
Volume in drive C has no label.
Volume Serial Number is F49D-FF2B
Directory of C:\oracle\product\10.1.0\oradata\orcl
02/08/2008 10:41 AM       157,294,592 EXAMPLE01.DBF
02/08/2008 10:41 AM       524,296,192 MY_DATAFILE.DBF
02/08/2008 10:41 AM       283,123,712 SYSAUX01.DBF
02/08/2008 10:41 AM       482,353,152 SYSTEM01.DBF
02/07/2008 11:43 PM       104,865,792 TEMP01.DBF
02/08/2008 10:41 AM        31,465,472 UNDOTBS01.DBF
02/08/2008 10:41 AM        56,369,152 USERS01.DBF
               7 File(s) 1,639,768,064 bytes
               0 Dir(s) 63,114,174,464 bytes free
C:\oracle\product\10.1.0\oradata\orcl>del my_datafile.dbf
C:\oracle\product\10.1.0\oradata\orcl>dir *.dbf
Volume in drive C has no label.
Volume Serial Number is F49D-FF2B
Directory of C:\oracle\product\10.1.0\oradata\orcl
02/08/2008 10:41 AM       157,294,592 EXAMPLE01.DBF
02/08/2008 10:41 AM       283,123,712 SYSAUX01.DBF
02/08/2008 10:41 AM       482,353,152 SYSTEM01.DBF
02/07/2008 11:43 PM       104,865,792 TEMP01.DBF
02/08/2008 10:41 AM        31,465,472 UNDOTBS01.DBF
02/08/2008 10:41 AM        56,369,152 USERS01.DBF
               6 File(s) 1,115,471,872 bytes
               0 Dir(s) 63,638,204,416 bytes free
C:\oracle\product\10.1.0\oradata\orcl>
SQL> startup
ORACLE instance started.
Total System Global Area 171966464 bytes
Fixed Size                   787988 bytes
Variable Size             145488364 bytes
Database Buffers           25165824 bytes
Redo Buffers                 524288 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 6 - see DBWR trace file
ORA-01110: data file 6: 'C:\ORACLE\PRODUCT\10.1.0\ORADATA\ORCL\MY_DATAFILE.DBF'
SQL> select * from v$recover_file
2 /
     FILE# ONLINE ONLINE_ ERROR                                                                CHANGE# TIME
         6 ONLINE ONLINE FILE NOT FOUND                                                             0
SQL> alter database create datafile 'C:\ORACLE\PRODUCT\10.1.0\ORADATA\ORCL\MY_DATAFILE.DBF'
2 as 'C:\ORACLE\PRODUCT\10.1.0\ORADATA\ORCL\MY_DATAFILE01.DBF'
3 /
Database altered.
C:\oracle\product\10.1.0\oradata\orcl>dir my_*.dbf
Volume in drive C has no label.
Volume Serial Number is F49D-FF2B
Directory of C:\oracle\product\10.1.0\oradata\orcl
02/08/2008 10:53 AM       524,296,192 MY_DATAFILE01.DBF
               1 File(s)    524,296,192 bytes
               0 Dir(s) 63,110,365,184 bytes free
C:\oracle\product\10.1.0\oradata\orcl>
SQL> recover tablespace my_tablespace
Media recovery complete.
SQL> alter database open
2 /
Database altered.
SQL> conn scott/tiger@orcl
Connected.
SQL> desc my_table
Name                                      Null?    Type
OWNER                                              VARCHAR2(30)
OBJECT_NAME                                        VARCHAR2(30)
SUBOBJECT_NAME                                     VARCHAR2(30)
OBJECT_ID                                          NUMBER
DATA_OBJECT_ID                                     NUMBER
OBJECT_TYPE                                        VARCHAR2(19)
CREATED                                            DATE
LAST_DDL_TIME                                      DATE
TIMESTAMP                                          VARCHAR2(19)
STATUS                                             VARCHAR2(7)
TEMPORARY                                          VARCHAR2(1)
GENERATED                                          VARCHAR2(1)
SECONDARY                                          VARCHAR2(1)
SQL> Khurram
http://oraware.blogspot.com/

When the create tablespace information is in the current control file and database is in archive log mode,
SQL>recover datafile 6;
won't help??

Datafile lost

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