Troubleshooting ORA-30036 - Unable To Extend Undo Tablespace
(Doc ID 460481.1)
Last updated on JUNE 17, 2020
Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 9.2 to 11.2] Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 11.2] Oracle Database Cloud Schema Service - Version N/A and later Oracle Database Exadata Cloud Machine - Version N/A and later Oracle Cloud Infrastructure - Database Service - Version N/A and later Information in this document applies to any platform.
Purpose of this document is to have a checklist for troubleshooting ORA-30036 errors i.e unable to extend segment by %s in undo tablespace '%s' when using Automatic Undo Management (AUM). This note will also discuss some known issues on this subject along with the diagnostic information required while raising a Service Request with Oracle Support.
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