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Dbms_resource_manager.calibrate_io error ORA-56753 on Exadata (Doc ID 2749412.1)

Last updated on SEPTEMBER 30, 2021

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


After upgrading from to 19.8, we noticed that dbms_resource_manager.calibrate_io is no longer working. The errors we are receiving are:

ORA-56719: Error spawning or communicating with calibration slave
ORA-56753: Calibration failed because Exadata files are not sufficiently populated.
ORA-06512: at "SYS.DBMS_RMIN_SYS", line 4469
ORA-06512: at "SYS.DBMS_RESOURCE_MANAGER", line 1210


 Upgraded database version higher than 12.2.


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