Alter Tablespace ... ReadOnly fails with ORA-00604, ORA-00372, ORA-01110
(Doc ID 1662730.1)
Last updated on MARCH 06, 2025
Applies to:
Oracle Database Cloud Service - Version N/A and laterOracle Database - Enterprise Edition - Version 10.2.0.5 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Alter Tablespace to Read Only Mode fails with below error:
SQL>ALTER TABLESPACE USERS READ ONLY;
ALTER TABLESPACE USERS READ ONLY
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-00372: file 4 cannot be modified at this time
ORA-01110: data file 4: '<path>USERS01.DBF'
ORA-06512: at line 18
Changes
Trying to put a tablespace read only , for example in order to do an TTS (Transportable Table Space) export / expdp .
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |