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Re: RMAN full backup Vs Incremental level 0

From: Ruth Gramolini <rgramolini_at_tax.state.vt.us>
Date: Thu, 07 Feb 2002 07:22:01 -0800
Message-ID: <F001.00408D16.20020207070830@fatcity.com>

You have to have an incremental level 0 in order to restore you database. If you are going to do backups once daily then you should do a level 0 one the first day of your cycle and then incremental backups after that. There are many levels of incremental and you should read about them to find out which would be right for your operation. If you have time to do a level 0 each day then that would be the best way.

We used to to do a level 1 after users went home and before nightly processin and a level 0 each morning. We backup the archivlogs each time and put one days backups on tape.

HTH,
Ruth
----- Original Message -----
To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, February 06, 2002 4:01 PM

Hi
I would like to know what are the advantages /disadvantages of full backups vs. incremental level 0 backups.Which one should be done if we decide to take backups only once daily?
How is the recovery operation going to be affected if we choose either? for e.g if i decided to do incremental level 0 backups daily ,and if recovery is needed, then will i be able to restore the level 0 incremental and recover till the current point in time?

Is there any other issue which would help decide whether full backups or incremental level 0 backups are better?

TIA
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Author: Ruth Gramolini
  INET: rgramolini_at_tax.state.vt.us

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