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ORA-27047: unable to read the header block of file in Alert.log (Doc ID 2232102.1)

Last updated on JULY 29, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.2 BETA1 [Release 12.1 to 12.2]
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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

New 12.1.0.2 database.

Customer could see frequent messages in the alert.log:


Errors in file /<path>/trace/<SID>_ora_19953.trc:
ORA-27047: unable to read the header block of file
Linux-x86_64 Error: 25: Inappropriate ioctl for device
Additional information: 1

No additional information in the tracefile.

Changes

 No changes.

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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