Backup Restore From Cold

Hello

I did exactly the same steps as metalink note NOTE: 174226.1 ... who is I added below.
My problem is that when I open the database, he insists that system01.dbf is in need of a recovery.
and when I «alter database recover...» "she complains redolog files and archive.
When I followed the steps, after the installation of the database shut down a few times and go back again. could this be the problem... I don't know maybe he's confusing on the checkpoints etc because I read that when you restore from a cold backup the last log file must be identical to the backup day. could this be my problem? or any other suggestions?


Prerequisite: The copy is between 2 machines, both must be on the same OS
and have exactly the same version of the installed base.

1. make sure that the database copy was closed with an IMMEDIATE STOP,
NORMAL SHUTDOWN or SHUTDOWN TRANSACTIONAL.
2 copy the init.ora files and control to create the instance and be able to go
editing mode. Check the init.ora for places where the controlfiles
be, if those places are not valid on the computer, place control files
different places and adjust the init.ora accordingly.
3.a. copy the data files (all).
b. copy of the redo log files (all).
4.a. (Unix only) set the environment variables:
ORACLE_SID - name database that you want to create
ORACLE_HOME - the value of the full path of the Oracle system base directory
PATH - should include $ORACLE_HOME/bin
b. (NT/2000 only) 'set ORACLE_SID = < SID >'
Oradim to create the service for the instance. For more information
oradim please consult (the part that relates to the creation of a new instance):
Note: 68720.1 Create a new 7.3, 8.0, 8.1 Database Instance

5. use servermanager (check the name to use for your version of oracle) or
sqlplus (version 9i and above) at the start of the database in editing mode.
Do
CONNECT INTERNAL / < PASSWORD >
then
STARTUP MOUNT
Then do a renaming of data files copied if they are not in the same way as on
the other machine. For all the files that are in the result of the query:
SELECT NAME FROM V$ DATAFILE;
do
ALTER DATABASE RENAME FILE ' < oldfullpath >-< Filename > ' on <
newfullpath >-< Filename > '.
6. the datadictionary for the former location of the using queries redolog files:
SELECT MEMBER FROM V$ LOGFILE;
If the new location is not the same as the old:
ALTER DATABASE RENAME FILE ' < oldfullpath > \ < redologfilename > ' to &
Lt; newfullpath > \ < redologfilename > ';
7. now, open the database:
ALTER OPEN DATBASE.

I guess that the instance had increased the first time you have attempted a copy.

Yes, your second attempt must be correct.

Normally, the TEMPORARY file doesn't have to be copied. It can just be added after the ALTER DATABASE OPEN - see the other forum thread that I have provided a link to earlier.
In addition, the 'normal' recommendation in the Oracle documentation is NOT backing up online redo logs (in fact, if I remember correctlly, the 10g tips strongly this!). But yes, if you ensure that the closing was of database completely, then you can save the recovery online newspapers - but a number of 'experts' would jump on me to say.
Seems like heresy today to back up the online redo log. The reason is that a DBA could get lazy and use the 'save and restore online redo log' method even when restoring an old backup and wanting to rollforward using the archivelogs. If he does this (it means combining log redo with archivelog restoration online restore + applies), it will eventually lose the transactions in the last set of newspapers and could be confused as how to open the database (it would have to do a resetlogs, as much as it fact sufficient archivelog to ensure the consistency of all data files).

Hemant K Collette
http://hemantoracledba.blogpsot.com

(I'm a 'he', which means that most of the directors are "he" s).

Tags: Database

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