ORA-1587 ORA-27091 During Backup Controlfile
(Doc ID 131111.1)
Last updated on JULY 03, 2022
Applies to:Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 18.104.22.168 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.
When you back up the control file using the following command:
alter database backup control file to '/archive/hotbackups/control_bkp' reuse;
you receive the following errors:
ERROR at line 1:
ORA-01587: error during controlfile backup file copy
ORA-27091: skgfqio: unable to queue I/O
Additional information: 3
There are no device problems or other IO problems reported in the operating system logs. The directory has read, write, and execute permissions for the Oracle software owner.
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