Instance Startup Hangs After Creating New Undo Tablespace and Switching Between Old and New (Doc ID 1076092.1)

Last updated on FEBRUARY 15, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 15-Feb-2017***

Symptoms

Created new undo tablespace and switching back & forth between old and new undo tablespace. Now, the database instance will no longer come up.

In the alert log, last entry is SMON : enabling cache recovery.

Cause

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