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Issue with disk space Recovery Window
Oracle 12.2 APR2020Patch
I have question about disk space management with RMAN.
I had retention policy of 3 days and after disk expansion I expanded it to 7 days.
Recently backup failed and I see Archivelogs consumed ca 320G. I reduced Recovery Window back to 3 days and I could complete backup.
1 day of archive logs consumes ca 80G.
Now Archivelogs consume 250 G and backup 177G.
Is it wise to have recovery window or maybe it would be better to replace it with number of copies eg. 2 ? And hint how I can improve this situation ?