Mohamed Azar Shaj

Oracle DBA, azarmohds@gmail.com, Riyadh Kingdom Of Saudi Arabia

Oracle Certification ** Oracle-Base ** Export and Import ** Charater set migration

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Database Administrator and like to read about hackers and them activities...and completed Oracle 10g Certified associate. Active member of Oracle Forum

Cold Backup

3:10 PM / Posted by Azar Mohamed Shaj /

This is consistent backup that means all datafiles and controlfiles are consistent to point in time.database in no archive log mode.

Steps....

  • shutdown the database ,sql>shutdown normal
  • Copy the controlfiles and datafiles,parameter file and passwordfile os level and then paste it in another location.
  • startup database ,sql>startup

Example.....

  • shutdown the database, drop the all controlfiles and datafiles and then startup the database.
  • Error ora-00205-Error in identifying the control files for the location.
  • If you have 5 multiplexing controlfiles,2 multiplexing in different location and remain 3 controlfiles were dropped,you should modify the location in parameter file current controlfile and then save it.
  • startup the database using parameter files.
  • In mount database,error will appear.
  • Recover datafile system and then some datafile , in this case you should copy the backup files and paste it in default location.

sql>recover database;

media recovery complete.

sql>alter database open;

Database opened.

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