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- 1.Take backup of controlfile as trace: [SOURCE DB] alter database backup controlfile to trace as ‘/export/home/oracle/ctrl_bkokp.sql’;
- 2. Note down the location of datafiles [SOURCE DB] …
- 3. Shutdown the database: [SOURCE DB] …
- 4. Copy the datafiles and tempfiles to the target db server …
- 5. Prepare the init file for target db: [TARGET DB] …
- 6. Start the database in nomount stage: [TARGET DB] …
Contents
- 1 Oracle database administration – CLONING COLD BACKUP
- 2 How to clone the database using cold backup database cloning?
- 3 What is cold database backup in Oracle Database?
- 4 How to clone a database from another server?
- 5 What is Oracle database cloning and how does it work?
- 6 Information related to the topic clone oracle database from cold backup
Oracle database administration – CLONING COLD BACKUP
How to clone the database using cold backup database cloning?
The high level steps for How to clone the database using Cold backup Database Cloning. 1) Take the cold backup of the database to be cloned. 2) Copy all the backup files to the destination server. 3) Create the init.ora ,then startup nomount then create the control file on the new location.
- 1.Take backup of controlfile as trace: [SOURCE DB] alter database backup controlfile to trace as ‘/export/home/oracle/ctrl_bkokp.sql’;
- 2. Note down the location of datafiles [SOURCE DB] …
- 3. Shutdown the database: [SOURCE DB] …
- 4. Copy the datafiles and tempfiles to the target db server …
- 5. Prepare the init file for target db: [TARGET DB] …
- 6. Start the database in nomount stage: [TARGET DB] …
How to backup a clone of a database?
Create the control file for the clone database using the trace control file. Recover the database using backup controlfile option. Hot Backups can be performed when the database is up and in Archive log mode. SQL> alter system archive log current; System altered.
How to clone Oracle 12c database using hot backup?
Oracle 12c Database Cloning Using Hot Backup Steps for Database Cloning using Hot Backup :- Backup the parameter file If SOURCE database is using spfile create pfile or if database is using pfile, use OS command to copy the pfile to a backup location.
What is cold database backup in Oracle Database?
Oracle Database Cloning Using Cold Backup Cold database backup means while taking backup or doing cloning, we need to shutdown the source database. This method is usually used for test database when database is in noarchivelog mode.
How do I backup a database in Linux?
If SOURCE database is using spfile create pfile or if database is using pfile, use OS command to copy the pfile to a backup location. Note down the oldest log sequence number. Copy all data files of ‘Source’ database to a clone location. After copying all datafiles, release the database from backup mode.
What is cold database backup in Oracle Database?
Oracle Database Cloning Using Cold Backup Cold database backup means while taking backup or doing cloning, we need to shutdown the source database. This method is usually used for test database when database is in noarchivelog mode.
How to clone a database from another server?
Take the cold backup of the database to be cloned Copy all the backup files to the destination server Create the init.ora, then startup nomount then create the control file on the new location alter database open resetlogs to bring the new clone online Take the cold backup of the database to be cloned
What is Oracle database cloning and how does it work?
DBA performs Oracle database cloning to test backup and recovery strategies. This technique uses to export Oracle object that gets dropped somehow from the production database. Cloning can be performed separately or on the same host. Why Cloning Needed?
To clone an Oracle database using an existing backup, follow these steps:
- From the Targets menu, select Databases.
- On the Databases page, select a database that you want to clone.
- On the Database target page, from the Oracle Database menu, select Provisioning, and then click Clone Database.
- On the Clone and Refresh page, click the Switch to Classic Clone link.
- On the Database Login page, enter your credentials. Click Login.The Clone Database wizard opens.
- On the Clone Database page: Source Type page, select Existing…
What is database cloning and how does it work?
What is Cloning? Database Cloning is a procedure that can be used to create an identical copy of the existing Oracle database. DBA’s occasionally need to clone databases to test backup and recovery strategies or export a table that was dropped from the production database and import it back into the production databases.
How do I clone a database in Oracle?
To clone an Oracle database by copying database files via staging areas, follow these steps: From the Targets menu, select Databases. On the Databases page, select a database that you want to clone. On the Database target page, from the Oracle Database menu, select Provisioning, and then click Clone Database.
How do I enable inline patching in Oracle Oracle clones?
Oracle supports inline patching as part of clones. When the destination home selected has patches applied such as the latest CPU or PSU, then the cloned database is automatically brought up with that level. Click Next. On the Create Full Clone Database: Configuration page, do the following:
How to clone this database on server 2?
To Clone this Database on SERVER 2 do the following. 1. In SERVER 2 install the same version of o/s and same version Oracle as in SERVER 1. 2. In SERVER 1 generate CREATE CONTROLFILE statement by typing the following command
References:
Database cloning using cold backup – DBACLASS
Oracle Clone Database | Why Cloning is Needed | 3 Types
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How to clone a database from another server?
What is database cloning and how does it work?
How do I clone a database in Oracle?
How do I enable inline patching in Oracle Oracle clones?
How to clone this database on server 2?
What is Oracle database cloning and how does it work?
What is cold database backup in Oracle Database?
How to backup a clone of a database?
How to clone Oracle 12c database using hot backup?
What is cold database backup in Oracle Database?
How do I backup a database in Linux?
How to clone the database using cold backup database cloning?
clone oracle database from cold backup
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