Resize datafile in standby when its in mount stage

Hi All,
Oracle 10.2.0.1
Linux EL5
I have configured standby database for testing. Now i have a problem that my users tablespace in standby got filled and its giving error message like
ORA-01237: cannot extend datafile 4
ORA-01110: data file 4: '/u01/app/oracle/oradata/orcl/users01.dbf'
Now i have to autoextend the datafile 4 in standby.how to do it in mount stage?
When i try to open the database for resizing the datafile, i am getting the below error..
SQL> alter database open;
alter database open
ERROR at line 1:
ORA-16004: backup database requires recovery
ORA-01196: file 1 is inconsistent due to a failed media recovery session
ORA-01110: data file 1: '/u01/app/oracle/oradata/orcl/system01.dbf'
Any other options ? please advice..
TIA,

Hi,
Thanks for your reply...
But i cant do that,because the current sequence in the primary is 51. And rite now the sequence in the standby is stuck in 45, now i have to pass this 6 sequences so that the changes made(like resizing the datafile) in the primary will reflect in the standby..
Now this is the error message i am getting when i start the redo apply in standby..
MRP0: Background Media Recovery terminated with error 1237
Thu Aug 27 20:01:33 2009
Errors in file /u01/app/oracle/admin/orcl/bdump/orclstdby_mrp0_5742.trc:
ORA-01237: cannot extend datafile 4
ORA-01110: data file 4: '/u01/app/oracle/oradata/orcl/users01.dbf'
ORA-19502: write error on file "/u01/app/oracle/oradata/orcl/users01.dbf", blockno 56960 (blocksize=8192)
ORA-27072: File I/O error
Linux Error: 11: Resource temporarily unavailable
Additional information: 4
Additional information: 56960
Additional information: 327680
Managed Standby Recovery not using Real Time Apply
Some recovered datafiles maybe left media fuzzy
Media recovery may continue but open resetlogs may fail
Any other options ?
Please advice...
TIA,

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Resize datafile when database is mount

Hello,
I need resize datafile when database is mount not open(I recover database).
Is it posible?

Try making the tablespace offline, opening the database and resizing the datafile. After you resize the datafile, recover the tablespace or just the datafile.
In Oracle documentation: Backup & Recovery Guide, you can find more details of these options:
=>RECOVER TABLESPACE Statement
RECOVER TABLESPACE performs media recovery on all datafiles in the tablespaces listed. For example, enter the following at the SQL prompt to recover tablespace TBS_1:
RECOVER TABLESPACE tbs_1
The tablespaces must be offline to perform the recovery. Oracle indicates an error if none of the files require recovery.
=> RECOVER DATAFILE Statement
RECOVER DATAFILE lists the datafiles to be recovered. For example, enter the following at the SQL prompt to recover datafile /oracle/dbs/tbs_22.f:
RECOVER DATAFILE '/oracle/dbs/tbs_22.f'
The database can be open or closed, provided that you can acquire the media recovery locks. If the database is open in any instance, then datafile recovery can only recover offline files.
Hope it helps.
Eliane

Relocating datafiles on standby database after mount point on stanby is ful

Hi,
We have a physical standby database.
The location of datafiles on primary database are at /oracle/oradata/ and the location of datafiles on standby database are at /oracle/oradata/
Now we are facing a situation of mount mount getting full on standby database so we need to move some tablespaces to another location on standby.
Say old location is /oracle/oradata/ and new location is /oradata_new/ and the tablespaces to be relocated are say tab1 and tab2.
Can anybody tell me whether following steps are correct.
1. Stop managed recovery on standby database
alter database recover managed standby database cancel;
2. Shutdown standby database
shutdown immediate;
3. Open standby database in mount stage
startup mount;
4. Copy the datafiles to new location say /oradata_new/ using os level command
4. Rename the datafile
alter database rename file
'/oracle/oradata/tab1.123451.dbf', '/oracle/oradata/tab1.123452.dbf','/oracle/oradata/tab2.123451.dbf',''/oracle/oradata/tab2.123452.dbf'
to '/oradata_new/tab1.123451.dbf', '/oradata_new/tab1.123452.dbf','/oradata_new/tab2.123451.dbf',''/oradata_new/tab2.123452.dbf';
5. Edit the parameter db_file_name_convert
alter system set db_file_name_convert='/oracle/oradata/tab1','/oradata_new/tab1','/oracle/oradata/tab2','/oradata_new/tab2'
6. Start a managed recovery on standby database
alter database recover managed standby database disconnect from session;
I am littelbit confused in step 5 as we want to relocate only two tablespaces and not all tablespaces so we have used.
Can we use db_file_name_convert like this i.e. does this work for only two tablespaces tab1 and tab2.
Thanks & Regards
GirishA

http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/manage_ps.htm#i1010428
8.3.4 Renaming a Datafile in the Primary Database
When you rename one or more datafiles in the primary database, the change is not propagated to the standby database. Therefore, if you want to rename the same datafiles on the standby database, you must manually make the equivalent modifications on the standby database because the modifications are not performed automatically, even if the STANDBY_FILE_MANAGEMENT initialization parameter is set to AUTO.
The following steps describe how to rename a datafile in the primary database and manually propagate the changes to the standby database.
To rename the datafile in the primary database, take the tablespace offline:
SQL> ALTER TABLESPACE tbs_4 OFFLINE;
Exit from the SQL prompt and issue an operating system command, such as the following UNIX mv command, to rename the datafile on the primary system:
% mv /disk1/oracle/oradata/payroll/tbs_4.dbf
/disk1/oracle/oradata/payroll/tbs_x.dbf
Rename the datafile in the primary database and bring the tablespace back online:
SQL> ALTER TABLESPACE tbs_4 RENAME DATAFILE 2> '/disk1/oracle/oradata/payroll/tbs_4.dbf'
3> TO '/disk1/oracle/oradata/payroll/tbs_x.dbf';
SQL> ALTER TABLESPACE tbs_4 ONLINE;
Connect to the standby database, query the V$ARCHIVED_LOG view to verify all of the archived redo log files are applied, and then stop Redo Apply:
SQL> SELECT SEQUENCE#,APPLIED FROM V$ARCHIVED_LOG ORDER BY SEQUENCE#;
SEQUENCE# APP
8 YES
9 YES
10 YES
11 YES
4 rows selected.
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;
Shut down the standby database:
SQL> SHUTDOWN;
Rename the datafile at the standby site using an operating system command, such as the UNIX mv command:
% mv /disk1/oracle/oradata/payroll/tbs_4.dbf /disk1/oracle/oradata/payroll/tbs_x.dbf
Start and mount the standby database:
SQL> STARTUP MOUNT;
Rename the datafile in the standby control file. Note that the STANDBY_FILE_MANAGEMENT initialization parameter must be set to MANUAL.
SQL> ALTER DATABASE RENAME FILE '/disk1/oracle/oradata/payroll/tbs_4.dbf'
2> TO '/disk1/oracle/oradata/payroll/tbs_x.dbf';
On the standby database, restart Redo Apply:
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE
2> DISCONNECT FROM SESSION;
If you do not rename the corresponding datafile at the standby system, and then try to refresh the standby database control file, the standby database will attempt to use the renamed datafile, but it will not find it. Consequently, you will see error messages similar to the following in the alert log:
ORA-00283: recovery session canceled due to errors
ORA-01157: cannot identify/lock datafile 4 - see DBWR trace file
ORA-01110: datafile 4: '/Disk1/oracle/oradata/payroll/tbs_x.dbf'

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Increase current redo log size in standby database in mount stage

We have oracle 10g standby database. The standby database is always running in mount stage while apply logs manually not data guard is used.
We have increase size or online redo log in primary . Now want to inrease in standby database also.
how to increase the size of current online redo log in standby database while it in mount stage .
in mount stage we cant run alter system switch logfile

user11965804 wrote:
We have oracle 10g standby database. The standby database is always running in mount stage while apply logs manually not data guard is used.
We have increase size or online redo log in primary . Now want to inrease in standby database also.
how to increase the size of current online redo log in standby database while it in mount stage .
in mount stage we cant run alter system switch logfilein 10g Standby will be always in Mount status when MRP is running.
When you increase size of online redo log files in primary, You should increase in standby also..
Standby redo log file size should be equal or higher than primary. You no need to switch log files on Standby.
You will have only standby redo log files in standby not ORL(online redo log files)
You can use this below script to add standby redo log files.
http://www.pythian.com/news/581/oracle-standby-redo-logs/

Facing Problem in resizing datafile

Hi i m facing problem in resizing a datafile of size 2.5 gb, i infact import data of 2gb in this file then reorganize data in different tablespace now the used size of this datafile is 96mb , when i issue command to reduce it to 200mb it gives me error that data exist u cannot resize datafile,
tell me what should be done to resize it.
thanks

Hi,
You can create a working tablespace with a good size
CREATE TABLESPACE tbs_tmp
DATAFILE 'D:\Oracle\oradata\SID\file_tmp.dbf' SIZE 100M
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 64K;
And move all segments from your tablespace TBS1 into this new tbs
(select segment_name,segment_type from dba_segments where tablespace_name = 'TBS1')
If indexes :
alter index owner.index_name rebuild tablespace tbs_tmp;
If table :
alter table owner.table_name move tablespace tbs_tmp;
Ensure that the tablespace TBS1 is empty
select segment_name,segment_type from dba_segments where tablespace_name = 'TBS1'
After what, if no row return, you can drop your first tablespace,
DROP TABLESPACE tbs1 INCLUDING CONTENTS CASCADE CONSTRAINTS;
recreate it with a goos size,
CREATE TABLESPACE tbs1
DATAFILE 'D:\Oracle\oradata\SID\file_tbs1.dbf' SIZE 100M
EXTENT MANAGEMENT LOCAL UNIFORM SIZE 64K;
and move all segment from tbs_tmp into this new tbs1
(select segment_name,segment_type from dba_segments where tablespace_name = 'TBS_TMP')
If indexes :
alter index owner.index_name rebuild tablespace tbs1;
If table :
alter table owner.table_name move tablespace tbs1;
Ensure that the tablespace TBS1 is empty
select segment_name,segment_type from dba_segments where tablespace_name = 'TBS_TMP'
If no row return, drop the working tablespace
DROP TABLESPACE tbs_tmp INCLUDING CONTENTS CASCADE CONSTRAINTS;
Nicolas.

Problem while resizing datafiles..

Hi Experts,
Im facing problems while resizing my datafiles. I am using Oracle 10g on Windows 2003 server.
I had a datafile of size 20GB.
I have 3 schemas sch1, sch2,sch3 and all have objects.
I dropped sch1 and truncated some tables in sch2.
I found the freespace available in my datafile 16GB.
When I try to resize the datafile to 5GB, I am getting ora-03297 error.
I checked for object that are beyond 5GB using the follwing query.
I found sch3 objects are present beyond 5GB mark on that datafile.
How can I resize the datafile to 5GB??
Is there any other way to resize the datafile?? Please help me.
SELECT owner, segment_name, segment_type, tablespace_name, file_id,
((block_id+1)*(SELECT value FROM v$parameter
WHERE UPPER(name)='DB_BLOCK_SIZE')+BYTES) end_of_extent_is_at_this_byte
FROM dba_extents
WHERE ((block_id+1)*(SELECT value FROM v$parameter
WHERE UPPER(name)='DB_BLOCK_SIZE')+BYTES) > (<needed size in MB>*1024*
1024)
AND tablespace_name='<tablespace_name>'
ORDER BY file_id, end_of_extent_is_at_this_byte;
Thanks in advance.

take a look at the metalink docs...probably coz of high water marks u r not able to do that..
Note 130866.1 - How to Resolve ORA-03297 When Resizing a Datafile by Finding the Table Highwatermark
Note 237654.1 - Resizing a Datafile Returns Error ORA-03297

Restoring and recovering datafiles in standby database

Hi,
oracle version : 8i(8.1.7.0.0)
os : sun solaris
I have scenerio where i lost some of the datafiles in standby database(physical standby) and i do have standby cold backup 3 months older since database size is 1TB is can i restore the the only lost files from cold backup and recover using archivelog files. since i only lost 4 data files of size 4gb each it will be faster compare to restoring the whole TB size database.
appreciated for valuable inputs.
Thanks
Prakash GR

Normal copy command can do your work:
sys@SANTU> startup
ORACLE instance started.
Total System Global Area 535662592 bytes
Fixed Size                  1334380 bytes
Variable Size             180355988 bytes
Database Buffers          348127232 bytes
Redo Buffers                5844992 bytes
Database mounted.
Database opened.
sys@SANTU> archive log list
Database log mode              Archive Mode
Automatic archival             Enabled
Archive destination            USE_DB_RECOVERY_FILE_DEST
Oldest online log sequence     4
Next log sequence to archive   6
Current log sequence           6
sys@SANTU> host copy D:\APP\SANTOSKU\ORADATA\SANTU\USERS01.DBF d:\
        1 file(s) copied.
sys@SANTU> shu immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
*Renamed the datafile 'D:\APP\SANTOSKU\ORADATA\SANTU\USERS01.DBF' to 'D:\APP\SANTOSKU\ORADATA\SANTU\USERS011.DBF'*
sys@SANTU> startup
ORACLE instance started.
Total System Global Area 535662592 bytes
Fixed Size                  1334380 bytes
Variable Size             180355988 bytes
Database Buffers          348127232 bytes
Redo Buffers                5844992 bytes
Database mounted.
ORA-01157: cannot identify/lock data file 4 - see DBWR trace file
ORA-01110: data file 4: 'D:\APP\SANTOSKU\ORADATA\SANTU\USERS01.DBF'
sys@SANTU> host move d:\USERS01.DBF D:\APP\SANTOSKU\ORADATA\SANTU\
sys@SANTU> shu immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
sys@SANTU> startup
ORACLE instance started.
Total System Global Area 535662592 bytes
Fixed Size                  1334380 bytes
Variable Size             180355988 bytes
Database Buffers          348127232 bytes
Redo Buffers                5844992 bytes
Database mounted.
ORA-01113: file 4 needs media recovery
ORA-01110: data file 4: 'D:\APP\SANTOSKU\ORADATA\SANTU\USERS01.DBF'
sys@SANTU> recover datafile 'D:\APP\SANTOSKU\ORADATA\SANTU\USERS01.DBF';
Media recovery complete.
sys@SANTU> alter database open;
Database altered.
sys@SANTU>N.B. I have not done the demo on standby database.
but just i want to know is this procedure is valid that is instead of taking the lost datafiles from production can i use lost datafiles from standby database to recover other standby database.That would be fine.
Regards,
S.K.
Edited by: Santosh Kumar on Oct 8, 2009 11:09 AM

Corrupted datafiles in standby

Hello
I used to have three indexes in nologging mode in primary database.
When I scan the datafiles of these indexes in standby database, I notice that datafiles are logically corrupted.
Today, I dropped these indexes in primary database and recreated them with logging. Archivelogs of these steps were also applied to standby.
Even there is no obect in nologging mode, When I scan the datafiles in standby, somehow they are still logically corrupted !!!!!!!!!!
What is the reason for that?
Cheers

Mr Sb;
They are created as logging.
It is really difficult to grasp this.
Here is the output of one of the corrupted datafile with dbv
DBV-00200: Block, dba -2126348425, already marked corrupted
DBV-00200: Block, dba -2126348424, already marked corrupted
DBV-00200: Block, dba -2126348423, already marked corrupted
DBV-00200: Block, dba -2126348422, already marked corrupted
DBV-00200: Block, dba -2126348421, already marked corrupted
DBV-00200: Block, dba -2126348420, already marked corrupted
DBV-00200: Block, dba -2126348419, already marked corrupted
DBV-00200: Block, dba -2126348418, already marked corrupted
DBV-00200: Block, dba -2126348417, already marked corrupted
DBV-00200: Block, dba -2126348416, already marked corrupted
DBV-00200: Block, dba -2126348415, already marked corrupted
DBV-00200: Block, dba -2126348414, already marked corrupted
DBV-00200: Block, dba -2126348413, already marked corrupted
DBV-00200: Block, dba -2126348412, already marked corrupted
DBV-00200: Block, dba -2126348411, already marked corrupted
DBV-00200: Block, dba -2126348410, already marked corrupted
DBV-00200: Block, dba -2126348409, already marked corrupted
DBV-00200: Block, dba -2126348408, already marked corrupted
DBV-00200: Block, dba -2126348407, already marked corrupted

How to add datafile to standby database

Hi,
We have standby database on another site and we are using manual recovery. How to add datafile to standby database after datafile is added to primary database.
We are on Oracle 9i R2.
Please help.
Thanks in advance

Hi,
When you recover the standby database after you added a datafile to the production, you will get an error that the file that needs recovery does not exist.
At this point you can connect to the standby and issue:
alter database create datafile '<original_name>' as '<new_name>';the new name is optional if the location of the files are the same.
After that, you can continue recovering the standby database.
Liron Amitzi
Senior DBA consultant
[www.dbsnaps.com]
[www.orbiumsoftware.com]

Syntax to resize datafile in 10g

syntax to resize datafile in 10g

the reason is
in 10g if u want to create tablespace the syntax is
create tablespace table_name datafile 10M;No, actually. The syntax on how to create a tablespace is exactly the same today as it was in 1999. Create tablespace X datafile '/path/filename' size 10M.
It is, however, possible to omit both the path and size clause if you want to use Oracle Managed Files (OMF):
alter system set db_create_file_dest=/path/filename;
create tablespace X;
And then it's possible to add back the size clause if you don't like the default 100M autoextend on which OMF gives you:
create tablespace X datafile size 10M;
or
create tablespace X datafile size 10m autoextend off;
or
create tablespace X datafile size 10m autoextend on next 10m maxsize 400m;
Point is, the syntax for creating a tablespace has many different variations and options, but the basic syntax hasn't changed a bit. The other point is: what has creating a tablespace got to do with what you originally asked about, which was resizing an existing datafile?
to add datafile
alter tablespace table_name add datafile;
it will add datafile with default size and with name
according to its naming convention.Yes, but you are not obliged to let that happen.
alter system set db_create_file_dest=/path/filename;
alter tablespace X add datafile '/different/path/myownfilename' size 37M;
...you switch on OMF and then decide you don't want to use it for one particular file. The presence/existence of OMF is an addition of features if you want to use them. It doesn't take anything away from you and if you want to specify all the parts of the create or alter tablespace clause yourself, you can do so, no sweat -at which point, your syntax will look incredibly like what you would have issued in 8i or 9i days.
Analogy time: yes, today, you can build homes out of steel, concrete, carbon-reinforced composites, whereas in the 16th century you might have used timber, wattle and daub. But a house still has rooms, chimney flues, windows, doors. The house I live in would be recognisable to Shakespeare as a house. And what he lived in would be something I could live in too.
Yeah, well: maybe analogies aren't all they're cracked up to be! But the underlying truth is that Oracle gives you new features in new versions and using them can be highly convenient and useful. Nevertheless, if you understand the underlying principles,the old stuff is still there, still recognisable, still usable.
thats why i am asking for syntax to resize datafile
in 10g ,i had fired above sqls with no errors.Again, I am a little at a loss understanding why the fact that the syntax for creating a tablespace has new options should cause you to think anything weird has happened to the syntax for resizing a datafile.
As others I think have already mentioned: there always were and still remain only three ways of making a tablespace bigger:
add a datafile
resize an existing datafile
switch on autoextension of an existing datafile
alter tablespace X add datafile ['/path/filename'][size 10m];
alter database datafile '/path/filename' resize 54m;
alter database datafile '/path/filename' autoextend on [next Xm] [maxsize Ym];
None of that syntax is different from what you'd use in version 7. Yes, some commands have optional clauses -and some of the clauses which are optional in 10g were compulsory in 7 or 8. But the general syntax is identical, still.

Will resizing datafile after shrink segment minimize the rman bkp duration

Hi ,
We have 1 TB database where in the RMAN backup runs for nearly 35 Hrs .
At database level if i shrink the segments to reclaim space and then resize datafile , will it have my RMAN backup duration time to decrease .
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whats the database version.
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Unused Block Compression Of Datafile Backups to Backup Sets
When backing up datafiles into backup sets, RMAN does not back up the contents of data blocks that have never been allocated. (In previous releases, this behavior was referred to as NULL compression.)
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Adding and resizing datafiles seems to take long.

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Parameter configurations
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How can we monitor the adding and resizing datafiles on both the Primary and Standby?

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Resize datafile in standby when its in mount stage

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