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.

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Add a new datafile to the standby database

Hi,
i have a standby database in recovery managed mode.
Now i must add a new datafile on the production database and i would like
to know how i realized adding the new datafile on the stanby database.
is it right when i do the follow steps?
Before i add a datafile to the primary database,
cancel the recovery on the standby database.
-> add the new datafile on the primary database
after all archived redo logs have been applied, cancel managed recovery:
alter database recover managed standby database cancel;
startup nomount
alter database mount standby database;than
ALTER DATABASE CREATE DATAFILE '/oracle/DB1/db1_9/data9' as '/oracle/DB1/db1_9/data9';
alter database recover managed standby database disconnect;Thanks

8.4.1.1 Adding a Tablespace and a Datafile When STANDBY_FILE_MANAGEMENT Is Set to AUTO
The following example shows the steps required to add a new datafile to the primary and standby databases when the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO.
Add a new tablespace to the primary database:
SQL> CREATE TABLESPACE new_ts DATAFILE 't_db2.dbf'
2> SIZE 1m AUTOEXTEND ON MAXSIZE UNLIMITED;
Archive the current redo log so it will get copied to the standby database:
SQL> ALTER SYSTEM ARCHIVE LOG CURRENT;
Verify that the new datafile was added to the primary database:
SQL> SELECT NAME FROM V$DATAFILE;
NAME
/disk1/oracle/dbs/t_db1.dbf
/disk1/oracle/dbs/t_db2.dbf
Verify that the new datafile was added to the standby database:
SQL> SELECT NAME FROM V$DATAFILE;
NAME
/disk1/oracle/dbs/s2t_db1.dbf
/disk1/oracle/dbs/s2t_db2.dbf
8.4.1.2 Adding a Tablespace and a Datafile When STANDBY_FILE_MANAGEMENT Is Set to MANUAL
The following example shows the steps required to add a new datafile to the primary and standby database when the STANDBY_FILE_MANAGEMENT initialization parameter is set to MANUAL. You must set the STANDBY_FILE_MANAGEMENT initialization parameter to MANUAL when the standby datafiles reside on raw devices.
Add a new tablespace to the primary database:
SQL> CREATE TABLESPACE new_ts DATAFILE 't_db2.dbf'
2> SIZE 1m AUTOEXTEND ON MAXSIZE UNLIMITED;
Verify that the new datafile was added to the primary database:
SQL> SELECT NAME FROM V$DATAFILE;
NAME
/disk1/oracle/dbs/t_db1.dbf
/disk1/oracle/dbs/t_db2.dbf
Perform the following steps to copy the tablespace to a remote standby location:
Place the new tablespace offline:
SQL> ALTER TABLESPACE new_ts OFFLINE;
Copy the new tablespace to a local temporary location using an operating system utility copy command. Copying the files to a temporary location will reduce the amount of time that the tablespace must remain offline. The following example copies the tablespace using the UNIX cp command:
% cp t_db2.dbf s2t_db2.dbf
Place the new tablespace back online:
SQL> ALTER TABLESPACE new_ts ONLINE;
Copy the local copy of the tablespace to a remote standby location using an operating system utility command. The following example uses the UNIX rcp command:
%rcp s2t_db2.dbf standby_location
Archive the current redo log on the primary database so it will get copied to the standby database:
SQL> ALTER SYSTEM ARCHIVE LOG CURRENT;
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SQL> SELECT PROCESS, STATUS FROM V$MANAGED_STANDBY;
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SQL> SELECT NAME FROM V$DATAFILE;
NAME
/disk1/oracle/dbs/s2t_db1.dbf
/disk1/oracle/dbs/s2t_db2.dbf
From Oracle Docs...

Add new datafile to logical standby database but not in primary

Hi,
Is it ok to add a new datafile to the SYSAUX tablespace on the logical standby database but not on primary? We are running out of disk space on the partition where SYSAUX01.dbf resides so we want to add a new SYSAUX02.dbf in another partition which has space. but this will only be on the logical standby not on primary, there is still lots of space in primary. standby_file_management is MANUAL and this is LOGICAL STANDBY not PHYSICAL.
Is this possible or where there be any issues?
Thanks.

Logical Standby can differ from Primary, it can have extra tablespaces, datafiles, tables, indexes, users ...
HTH
Enrique

Can't add new datafile into a table space?

Hi, Oraclers,
I am learning Oracle. I found one problem: I can't add new datafile to an existing
table space. I tried to add via OEM and SQLPlus. None of them works.
I can see that the datafile, say ras01.dbf, is in my hard drive. But I can't see
it via OEM datafile.
Also, this datafile creating procedure has never stopped. In SQLPlus, after I
submitte ths statement, after 7 days, this sql statement is still running. The
same thing happened in OEM.
The sql statement is:
ALTER TABLESPACE "RASBLK"
ADD
DATAFILE
'H:\ORACLE\PRODUCT\10.1.0\ORADATA\NMDATA\RAKBLK35.DBF' SIZE
26214400K REUSE AUTOEXTEND
ON NEXT 2048M MAXSIZE 30720M
Oracle is 10g V10.1.0.2.0
os is Window Server 2003 Service Pack 1.
What's the problem?
Thanks,
Message was edited by:
shinington

so you have definitely tried to use a Winlows Server with NTFS for a 1TB++ Database ?
I never heard of that and I wouldn't even dare to dream of that, but as stated above theoretically (that is: according to MS) this should work.
But surely your process has crossed some internal limitations, at least that is what it looks like.
I guess you must go to your %ORACLE_BASE%\admin\%SID%\bdump or udump directories to eventually find a trace file there.
recommendation is: move to some kind of bigger system (Solaris,AIX).

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Resize datafile or add new datafile which is good?

Hi all
we have 80 GB database size and only two tablespace have space around 60 Gb
these two tablespace have one database each around 30 gb so
My question is it good to resize current datafile or
It it good to add new datafile ?

Your question is which is "best"; add datafile or resize right? If yes, then I think below links will answer you :
http://www.freelists.org/post/oracle-l/Datafile-size-Is-bigger-better,9
datafile and size
Bigfile or smallfile tablespace?
Just go through these link. I am sure answer in it.
Regards
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Restore without the new datafile??

We have a full backup (Veritas) of the database on sunday.Db is in archive log mode.
AFter the full backup we created a datafile and it is not backed up.
Now if we restore this backup how will it find this new datafile?
Though the control file has this information, as we will restore the backup from sunday
the control file of sunday will not have this information.
So how do we proceed?

Like Madrid suggested, you need to create an empty datafile as place holder for the missing datafile,
For example, assume that the datafile ?/oradata/trgt/users01.dbf has been damaged, and no backup is available. The following statement re-creates the original datafile (same size) on disk2:
ALTER DATABASE CREATE DATAFILE '?/oradata/trgt/users01.dbf' AS
'/disk2/users01.dbf';Then you can start recover the database.
Assuming you have
1. All archived log files written after the creation of the original datafile are available
2. The control file contains the name of the damaged file (that is, the control file is current, or is a backup taken after the damaged datafile was added to the database)
More info here
Re-Creating Datafiles When Backups Are Unavailable: Scenario

New datafile in standy config

My standby_file_management is set to auto. But when i added a new datafile it didnt get added on standby server..
my db version is 10.2.0
on linux

My standby_file_management is set to auto. But when i added a new datafile it didnt get added on standby server..If you enable standby_file_management=auto then you should able to get added/altered datafiles.
Check is your standby is functioning with primary or not? is it sync or not.

Where to create new datafile

Hi all,
Oracle 10g EE, Server 2003 EE
I use SAN storage for oracle_home directory, datafiles, RMAN backup files and Data Pump export .
I have different disks for Oracle_home directory, for my tablespace datafiles, RMAN files and for Data Pump export.
Disk that I use for datafiles is full and I don’t have free space for new datafile.
Is it good to put new datafile on my RMAN backup disks or on Oracle_home disk?
What is the cost to pay in terms of performance and security?
Thanks in advance!

In general it is a bad idea to mix your primary and backup data -- what happens if the backup disk goes bad? How can you recover the primary data that was on there?
Why can't you provision more space from your SAN for the additional data files? If you put the new datafiles anywhere you are going to be doing heavy read/write activity (eg. backups, exports) then you might see IO contention, but that is completely dependent on your infrastructure and DB load. I would say the best bet is to TEMPORARILY put the datafiles in the oracle home, with the near-term intention of moving them back into the disk with the rest of the datafiles, or perhaps onto a new disk for new datafiles.

Create new DataFile in another partition??

Hi,
I used database oracle10g, and I set (oradata) in partition (C) and i want to load large data on database but i haven't enough space in this partition .
Can I create new DataFile in another partition like partition (D) ???
And if yes, will it effect in the Performance the Database ???
Thank For Replay

user12254348 wrote:
Hi,
I used database oracle10g, and I set (oradata) in partition (C) and i want to load large data on database but i haven't enough space in this partition .
Can I create new DataFile in another partition like partition (D) ???
And if yes, will it effect in the Performance the Database ???
Thank For ReplayDepends on a lot of things:
1- D and C are physically separated disks OR there are part of the same physical disk but logically separated ?
2- Where are located your system datafiles, controlfile, logfile, indexes?
3- Are you using ASM?
It depends a lot of your storage and database design.
I suggest you test and compare the performance using AWR reports and view Oracle statistics via the Windows Performance Monitor (perfmon)..

New datafile lost!

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