DBMS_RESOURCE_MANAGER.CALIBRATE_IO Fails with Error ORA-56708
(Doc ID 1515545.1)
Last updated on JANUARY 07, 2025
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.2 [Release 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
DBMS_RESOURCE_MANAGER.CALIBRATE_IO fails with ORA-56708: Could not find any datafiles with asynchronous i/o capability
If the OS or some datafiles are not async I/O capable, the CALIBRATE_IO procedure errors out and exits. AutoDOP relies on CALIBRATE_IO running successfully and setting the MAX_PMBPS number.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |