Re: Rman and database shutdowns

Ron,

  Are you saying that you use VMS backup commands to backup the database data files while the database is open? This will result in unreliable backups unless you put the tablespaces in hot backup mode. If you are not using RMAN, you should have a script that backs up each datafile without using the /incremental qualifier on the VMS backup command.   If you are doing a cold backup with RMAN, the database should be a MOUNT state. If it is mounted and open, then RMAN will do a hot backup. RMAN won't care how many times you did a shutdown/startup before you execute your RMAN backup.

Jay

>>> RROGERS_at_galottery.org 02/12/03 10:18AM >>>
List,

OS OpenVms 7.3-1
Oracle 8.1.7 rel 3
Archivelog mode.
 We are trying to work through backup issues here and I have a question.
The system nightly backup procedures backup up the disks used by Oracle (software and data). A full backup works but an incremental does not backup any files. Inorder to get the changed files to be backed up as an incremental the sysadmin shutdown the database to flag the files as changed.
Questions:
 How will the shutdown effect the RMAN backup if it does not know that it was shutdown for a cold backup?
Are there any possible problems doing a restore from the cold backup and then using the RMAN backup/restore?

 I am still trying to figure out the OpenVms OS. Perserverience required...!
Ron

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