Delete Datafile From Filesystem Does Not Free Space at OS Level
(Doc ID 781954.1)
Last updated on NOVEMBER 24, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
This problem can occur on any platform.
After setting the undo tablespace offline normal and then dropping tablespace as follows:
drop tablespace <tablespace name> including contents
then the datafile of the dropped tablespace is deleted manually by system command line
rm <file name>
the filesystem does not free up the space.
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In this Document