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 188.8.131.52 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.
New 184.108.40.206 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.
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