DBMS_RESOURCE_MANAGER.CALIBRATE_IO Fails with Error ORA-56708 (Doc ID 1515545.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.2 [Release 11.2]
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.

Cause

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