Using DBCA to duplicate a 10gR2 RAC DB to another box...

Hi All :)
Background:
=========
I am attempting to use DBCA to create a database based on a template dump (structure and data) from my source system.
My source systems is/was RAC enabled and was using a NFS "clustered" file system for shared storage (not RAW or ASM).
The target DB $ORACLE_HOME was "cloned" from the source system using an Apps methodology called RapidClone (which is a supported way to install a new DB Techstack for use with Apps - Apendix - A of 406982.1).
I am running DBCA from the new target $ORACLE_HOME however it is really only a software home at present...meaning, the tns listeners are not correct, there exists no valid pfile, etc....nothing that really associates the instance to this home.
QUESTIONS:
==========
1. Let's remove Apps from the picture for a minute. If I was attempting to clone a RAC DB to another box, and I did a software only install on the target box and used DBCA to create the DB based on my existing DB template......would I need to "prep" the new target DB $ORACLE_HOME before running the DBCA create from template script??
2. Because this is RAC...I fully expect to have to add the instances and listeners to CRS manually, and understand I will need to configure the listener and tnsnames files....But does DBCA have the ability to at least bring up the new target system DB on a single node such that I can create my spfiles, and listeners and such?
3. Would it be advisable to disable RAC, simplifying my source system configuration, and then create my DBCA template based on the system "data as well as structure" and then create the new target DB with the more simplistic configuration and then re-enable RAC?
Thanks for any guidance or help.

Wow Sybrand...
You are just full of hostility man. People using Oracle products come from differing backgrounds and while your strong suit might be RMAN and the DB....others might know more about framework, java or the middleware products...and come here seeking guidance...and then get insulted by folks like you.
DBCA can be run from the command line, which is my objective later. Yes, RMAN is better suited to do what I am trying to do however I have additional existing (Apps specific) code which is NOT suited to RMAN.
I would suggest you see the DBCA docs:
This is just one example:
http://download.oracle.com/docs/cd/B19306_01/server.102/b14196/install003.htm#i1008647-->scroll down to "From an existing database (structure and data)"....
Also...try the following search in google:
DBCA clone database....
You will see many people seem to advocate using this method of database cloning and it has worked for them and not just for empty databases.
I would be appreciative if responses would be limited to those with experience in using DBCA to duplicate an existing database....not with criticisms and reasons why some other tool should be used.
Thanks in advance.

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9% complete
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21% complete
27% complete
30% complete
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DBCA_PROGRESS : 3%
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DBCA_PROGRESS : 40%
DBCA_PROGRESS : 44%
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DBCA_PROGRESS : 48%
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<MiscParams>
<databaseType>MULTIPURPOSE</databaseType>
<maxUserConn>20</maxUserConn>
<percentageMemTOSGA>40</percentageMemTOSGA>
<customSGA>false</customSGA>
<archiveLogMode>false</archiveLogMode>
<initParamFileName>+ORADG/admin/{DB_UNIQUE_NAME}/pfile/init.ora</initParamFileName>
</MiscParams>
<SPfile useSPFile="true">{ORACLE_HOME}/dbs/spfile{SID}.ora</SPfile>
</InitParamAttributes>
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Edited by: 859340 on 2011-7-12 下午7:25

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regards

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Copyright (c) 1991, 2006, Oracle. All rights reserved.
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Copyright (c) 1982, 2009, Oracle. All rights reserved.
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Permission oracle executable
Kernel Parameter
Environment variables
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Regards
Sebastian

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R-

Thanks for all your inputs. I finally got 10g RAC installed and running.
I learned that there is no way to install Oracle software and configure ASM during installation. I had to install “Software Only” then configure ASM at the later time, then that will work.
Good luck to you all.
:-)R

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owb.sql
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spatial.sql
xdb_protocol.sql
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ACCEPT sysPassword CHAR PROMPT 'Enter new password for SYS: ' HIDE
ACCEPT systemPassword CHAR PROMPT 'Enter new password for SYSTEM: ' HIDE
ACCEPT sysmanPassword CHAR PROMPT 'Enter new password for SYSMAN: ' HIDE
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@/optware/product/CreateDB.sql
@/optware/product/CreateDBFiles.sql
@/optware/product/CreateDBCatalog.sql
@/optware/product/JServer.sql
@/optware/product/context.sql
@/optware/product/xdb_protocol.sql
@/optware/product/ordinst.sql
@/optware/product/interMedia.sql
@/optware/product/cwmlite.sql
@/optware/product/spatial.sql
@/optware/product/emRepository.sql
@/optware/product/apex.sql
@/optware/product/owb.sql
@/optware/product/CreateClustDBViews.sql
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@/optware/product/lockAccount.sql
@/optware/product/postDBCreation.sql
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connect "SYS"/"&&sysPassword" as SYSDBA
set echo on
spool /optware/product/CreateDB.log append
startup nomount pfile="/optware/product/init.ora";
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MAXLOGHISTORY 1
MAXLOGFILES 192
MAXLOGMEMBERS 3
MAXDATAFILES 3000
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USER SYS IDENTIFIED BY "&&sysPassword" USER SYSTEM IDENTIFIED BY "&&systemPassword";
set linesize 2048;
column ctl_files NEW_VALUE ctl_files;
select concat('control_files=''', concat(replace(value, ', ', ''','''), '''')) ctl_files from v$parameter where name ='control_files';
host echo &ctl_files >>/optware/product/init.ora;
spool off

If you look at scripts generated in Node2 and Node3 , you can see all scripts except the instance specific ones are commented using REM .
REM host /u01/product/oracle/11.2.0.3/dbhome_1/bin/srvctl add instance -d STOMPER -i STOMPER1 -n ugxtlprd186
REM host /u01/product/oracle/11.2.0.3/dbhome_1/bin/srvctl add instance -d STOMPER -i STOMPER2 -n ugxtlprd187
REM host /u01/product/oracle/11.2.0.3/dbhome_1/bin/srvctl disable database -d STOMPER
REM @/u01/product/CreateDB.sql
REM @/u01/product/CreateDBFiles.sql
REM @/u01/product/CreateDBCatalog.sql
REM @/u01/product/JServer.sql
REM @/u01/product/context.sql
<snipped >

DELETE DATAFILE (database) FROM ASM not using dbca

Hi All
I have RAC(2 node) on Windows 2003 EE, Oracle 10g R2
How i can delete file from my asm instance?
For example, i create database manualy then i want delete this database? how i can delete file from asm? dbca dont see this instance.
a long time ago, i have also TEST db, i delete this db using dbca but in ASM (EM console) i still see this db, there are no file but i see "word" TEST how i can delete that?
thanks in advice

http://www.oracle.com/technology/products/database/asm/pdf/asm_10gr2_bestpractices%2009-07.pdf
page 26
SELECT concat('+'||gname, sys_connect_by_path(aname, '/')) full_alias_path FROM
(SELECT g.name gname, a.parent_index pindex, a.name aname,
a.reference_index rindex FROM v$asm_alias a, v$asm_diskgroup g
WHERE a.group_number = g.group_number)
START WITH (mod(pindex, power(2, 24))) = 0
CONNECT BY PRIOR rindex = pindex;
:)

ORA-03113 when using dbca

I install 92040 on redhat AS21. When I create RAC db using dbca, I'll get "ORA-03113: End of file on communication channel" I have checked many doc on metalink. Most of that talk about linux kernel memory setting. I checked shmmax shmmni shmmal and echo 250 32000 100 128 > /proc/sys/kernel/sem. and echo 65536 /proc/sys/fs/file-max It doesn't work. Could someone tell me is there any other solution. (Both of two node physical memory is 1G and swap space is 2.5G)
Thanks

I have solve the problem by myself. I'll list how to fix.Maybe it could help u.
1.I change shmmax to half physical memory(I have tried it before ,it doesn't work.I don't think it is keypoint)
2. echo 250 1000 100 100 > /proc/sys/kernel/sem
3. I change shmmin to 1
then it works!
I'm not really understand about this kernel config.Could someone show me where to get detail information?

Oracle 10gR2 RAC - ASM question

Hi
I have a question regarding the ASM storage. Let says I have a system here running Oracle 10gR2 RAC and would like to add a new/extend the current DATA disk group with more disk space. How do I do that? will it affect the existing data stored inside there?

So to add a little more to the discussion. Let's say your storage administrator presents you a LUN and is nice enough to add a partition of say 7G. (/dev/sdo1).
Now you need to take /dev/sdo1 stamp it and alter your storage group.
For illustration purposes I shall use rac1 and rac2 as my dual instance RAC and add to the asm group ARCH.
As root on rac1
/etc/init.d/oracleasm createdisk ARCH2 /dev/sdo1
then run
/etc/init.d/oracleasm listdisks
to make sure ARCH2 shows up.
On rac2 you run
/etc/init.d/oracleasm listdisks
You don't see ARCH2 so then run
/etc/init.d/oracleasm scandisks
then
/etc/init.d/oracleasm listdisks
Now you should see ARCH2
Ok the asm stamps are in sync now.
Back to rac1
su - oracle
set ORACLE_SID to asm instance and use sqlplus
sqlplus / as sysasm
If you query V$ASM_DISK you will see your disk with a header_status of PROVISIONED
that's good ...
NOw while still in sqlplus
Let's bump up the asm_power_limit so rebalancing runs faster
alter system set asm_power_limit=5 scope=both ;
If your asm instance are sharing the same spfile you only need do this on one instance; otherwise run the command both on all asm instances.
Lastly
ALTER DISKGROUP ARCH ADD DISK 'ORCL:ARCH2' ;
Now you can query V$ASM_OPERATION and watch ASM do it's magic of rebalancing.
That's it. All done while the DB is up and running.
How does that work for you?
-JR jr

Drop database using DBCA

DB:11.2.0.2
OS:Linux
I have 2 node RAC database and i want to drop it using DBCA but the "Delete Database" options is disabled. Please Suggest.

Your answer is here
deleting db disabled in DBCA

Using DBCA to duplicate a 10gR2 RAC DB to another box...

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