If any of the datafiles of a tablespace is OFFLINE DROPPED or OFFLINED, Hot Backups will not work
(Doc ID 263522.1)
Last updated on APRIL 03, 2020
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 8.1.7 to 9.2]
Information in this document applies to any platform.
NOTE: In the images and/or the document content below, the user information and environment data used
represents fictitious data from the Oracle sample schema(s),Public Documentation delivered with an
Oracle database product or other training material. Any similarity to actual environments, actual
persons, living or dead, is purely coincidental and not intended in any manner.
For the purposes of this document, the following fictitious environment is used as an example
to describe the procedure:
Tablespace Name = TEST
+ If you have OFFLINE DROPPED or OFFLINED one of the datafile in a tablespace hot backup will not work. You will get the following error:
SQL> alter tablespace test begin backup;
alter tablespace test begin backup
ERROR at line 1:
ORA-01128: cannot start online backup - file 3 is offline
ORA-01110: data file 3: '<Driver>:\<datafile_name>'
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