Topic: Database Administration >> Obsolete vs Expired backups in RMAN - Differences?
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| Title: Obsolete vs Expired backups in RMAN - Differences? |
| shantanu |
Posted: Jan 29, 2008 02:11:48 AM |
Total Post: 42
Joined: May, 2007
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Hello DBA'S
Can anyone explain me the difference between obsolete backups and expired backups in RMAN?? |
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 MOH_DBA |
| Posted: Jan 29, 2008 12:15:01 PM |  |
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Total Post: 133
Joined: Nov, 2007
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A backup is obsolete when REPORT OBSOLETE or DELETE OBSOLETE determines, based on the user-defined retention policy, that it is not needed for recovery. A backup is considered expired only when RMAN performs a crosscheck and cannot find the file. In short, obsolete means "not needed," whereas expired means "not found."
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