Database Refresh From ASM Filesystem to Local Filesystem

Hi ALL,
I am performing a database refresh from production server to a demo server. Our Production database is 11.2.0.1 and it is using ASM filesystem to keep the data, redo and other files in ASM disks.
On the other hand demo server is not having ASM, all the database files are stored in a local filesytem.
I have taken a fresh backup of our production database, but I am not sure to perform the restore part as the demo server is not having ASM.
Can anyone suggest me how to perform this, I mean datafile restore from ASM to local filesystem.
Any usefull links will be helpful.
Regards,
Arijit

Hello,
You can restore the backup of your Production database which is using ASM to your demo server (using file system).
Make sure that the control_files parameter in the pfile/spfile is pointing to the file system location where you want to have contol files located on the demo server.
Next, before you use the restore command to restore the database, provide the location of the datafile where you need to restore using the "set newname" clause.
run
set newname for datafile 1 to '<file-system-location-on-demo-server>';
set newname for datafile 2 to '<file-system-location-on-demo-server>';
restore database;
switch datafile all;
recover database;
}

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Database refresh from cold backup and hotbackup.

How can we perform Database refresh from cold backup and hotbackup?

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All,
My environment is
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http://oracleracexpert.blogspot.com/2009/08/oracle-data-pump-exportimport.html
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Satishbabu Gunukula
http://oracleracexpert.blogspot.com
Click here for [How to add and remove OCR|http://oracleracexpert.blogspot.com/2009/09/how-to-add-and-remove-ocr-oracle.html]
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Thanks.

Hi,
When you copy files of standby server to another target server ? - Yesterday.
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ORA-01112: media recovery not started
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alter database open resetlogs
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'/mounts/qecgdeva_data/oradata/qecgdeva/dbfiles/qecgprod_system.dbf'Edited by: 805877 on Jan 12, 2012 10:43 PM

Database refresh from production to test database

Dear All,
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Thanks.
rajesh

user12071799 wrote:
Dear All,
i want to refresh data on test database using production database.Test and production database has same backend structure.
i am using following steps.Please correct if i am wrong any where.
1)Take Full export from producion database
2)DROP SCHEMA ON test database.SKIP schema like sys,system and other oracle schemas.
3)do full import on test database.
is this correct way to refresh the data on other enviornmet.
Hi,
You can do one correction here :
Instead of taking full export backup , take export of only those schemas which you want to refresh.
You can use datapump to make it faster.
For improving speed please check
http://www.dba-oracle.com/oracle_tips_load_speed.htm
Regards
Rajesh

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transportable tablespaces
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Hi everyone,
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Hi Nikhil,
Ok thank you. Do you know anything about maintaining the same org structure that was in place already in our Dev system? It is different than our production system as we do not have all of the users setup in Dev. Also we have some test ID's in Dev that we would like to keep. Do you know how to maintain the same org structure?
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Hello Gurus,
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select * from V$VERSIONBANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
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CKPT wrote:
jgarry wrote:
I'm with Ed and Brendan on this. 3 main reasons:
1. Legacy has some special requirements.
2. Definitely want different schema names, this has saved my bacon sooo many times. Even so, people still get it wrong (including me, and I'm totally paranoid about it to begin with).
3. There are many more copies of production than actual production, for various reasons (test, several dev, special projects, future app versions...) . We would rather have one db with many schemata than many db's, right?
Now if we could just rename user...Agreed some extent, I can say to refresh entire database the preferred method is RMAN restore, where it can manage very easily
how?
1) To import again we need to create a new database
2) Need to create all the tablespaces with same names or we can use REMAP option
3) need to monitor entire import process,
4) need to take care of other things like , temp utilization and all.
5) need to perform export, Need to copy those dumpfiles, We should have enough space on mount points of both source & destinations. ;-)
I would just caution there that you shouldn't think that because you are taking rman backups you have no need to also regularly export the db. A good backup policy includes both physical backup (rman) and logical backup of the data (export).
If you talk with couple of schemas the preferred method is EXPDP/IMPDP, totally agreed.
If in case of database size is huge, then better to go with RMAN to refresh database. Either DUPLICATE or manual way restore.
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Hi,
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Thanks in advance.
Greetings,
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Yes that's correct.
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SET NEWNAME FOR DATAFILE 1 TO '/path/to/datafile1.dbf';
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Which is better to install Oracle 11g database based on ASM or Filesystem

We will install 2 sets of Oracle 11.2.0.3 on Redhat Linix 5.6 and configure Data Guard for them further -- one will be a primary DB server, the other will be a physical standby DB server. The Oracle DB stoage is based on SAN Array Disk with 6TB size. Now there are two options to manage the DB datafiles:
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Who can provide some advices? Thanks very much in advance.

user5969983 wrote:
We will install 2 sets of Oracle 11.2.0.3 on Redhat Linix 5.6 and configure Data Guard for them further -- one will be a primary DB server, the other will be a physical standby DB server. The Oracle DB stoage is based on SAN Array Disk with 6TB size. Now there are two options to manage the DB datafiles:
1. Install Oracle ASM
2. Create the tranditional OS filesystem
Which is better? in the past, our 10g data guard environment is not based on Oracle ASM. ASM provides a host of new features ito data management, and performance - to the extent that you can rip out the entire existing storage system, replace it with a brand new storage system, without a single second of database downtime.
Someone think if we adopt the oracle ASM, the shortcomings are :
1. as there is one more instance that will consume more memory and resource.Not really relevant on 64bit h/w architecture that removes limitations such a 4GB of addressable memory. On the CPU side... heck, my game PC at home has a 8 core 64bit CPU. Single die and dual core CPUs belong to the distant past.
Arguing that an ASM instance has overheads would be silly. And totally ignores the wide range of real and tangible benefits that ASM provides.
2. as the ASM file system cannot be shown out on the OS level directly such as "df" command, the disk utilization monitor job will be more difficult. at least it cannot be supervised at OS level.That is a A Very Good Thing (tm). Managing database storage from o/s level is flawed in many ways.
3. as the DB bshoule be done the daily incremental backup (Mon-Sat) to Local Backup Drive. the bakup job must be done by RMAN rather than user-managed script.
rman supports ASM fully.
I have stopped using cooked file systems for Oracle - I prefer ASM first and foremost. The only exceptions are tiny servers with a single root disk that needs to be used for kernel, database s/w, and database datafiles. (currently these are mostly Oracle XE systems in my case, and configured that way as XE does not support ASM and is used as a pure cost decision).

Displaying files from a local filesystem not in Webserver Root

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df -l . > /dev/null 2>&1
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Bumping this subject up.
Can someone please explain the reason for this check? Its only purpose seems to be to annoy system administrators.

How to convert from ASM to regular filesystem

Hi All,
On our RHEL 5.5 machine we have one disk partition managed by ASM (11.2.0.1.0). We wan't to convert it to regular file system. How can we do it?
Regards,
Vinod

Open a Terminal window and paste the following:
# su - oracle
$ . oraenv
ORACLE_SID = [oracle] ? +ASM
The Oracle base has been set to /u01/app/oracle
$ kfod disks=all
Disk          Size Path                                     User     Group
================================================================================
   1:       9214 Mb ORCL:ASMDISK1                            <unknown> <unknown>
   2:       9214 Mb ORCL:ASMDISK2                            <unknown> <unknown>
ORACLE_SID ORACLE_HOME
================================================================================
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Disk "ASMDISK1" is a valid ASM disk
/dev/sde1: LABEL="ASMDISK1" TYPE="oracleasm"
# /etc/init.d/oracleasm querydisk -p ASMDISK2
Disk "ASMDISK2" is a valid ASM disk
/dev/sdf1: LABEL="ASMDISK2" TYPE="oracleasm"
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Database Refresh From ASM Filesystem to Local Filesystem

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