| RMAN redundancy [message #330406] |
Mon, 30 June 2008 02:05  |
arunshrish
Messages: 74
Registered: May 2008
Location: Chennai
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Hi all,
My backup procedure is differential level 0 once a week and differential level 1 on the other days as follows,
Fri Sat Sun Mon Tue Wed Thur Fri
Incremental Level 0 - - - - - - 0
Incremental Level - 1 1 1 1 1 1 -
If the retention policy is set to redundancy 2 and on sunday when the incremental level 1 backup starts,will the incremental level 0 and level 1 backups taken on friday and saturday be deleted? Please clarify my doubt.
Thanks,
Arun.
[Edit MC: Format week]
[Updated on: Mon, 30 June 2008 02:18] by Moderator Report message to a moderator |
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| Re: RMAN redundancy [message #330714 is a reply to message #330414] |
Tue, 01 July 2008 00:26  |
arunshrish
Messages: 74
Registered: May 2008
Location: Chennai
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Hi Michel,
Thanks for the reply..Once i tested the backup procedure using a test server and found that after i took the level 0 and level 1 backups and issued the RMAN command ,
'Delete Noprompt Obsolete;'
There were some backup pieces(obsolete) getting deleted. I doubted that this happened as i kept the redundancy level to 2. So, what might be the reason Michel??
Thanks,
Arun.
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| Re: RMAN redundancy [message #330719 is a reply to message #330718] |
Tue, 01 July 2008 00:54 |
arunshrish
Messages: 74
Registered: May 2008
Location: Chennai
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<<If you specify the OBSOLETE option, then DELETE removes files considered OBSOLETE, that is, "not needed," by the retention policy or because it is orphaned. >>
Michel, I dont understand what you mean here by the term "...because it is orphaned..." , what does it mean?
Thanks and Regards,
Arun.
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