My Oracle Support Banner

Backup Fails With Concurrent Copying DDL: "WARNING: Trying to open a table, but could not open the tablespace file ..." (Doc ID 2296055.1)

Last updated on MARCH 12, 2021

Applies to:

MySQL Enterprise Backup - Version 3.12 and later
Information in this document applies to any platform.


When trying to create a backup with MySQL Enterprise Backup (MEB) while an ALTER TABLE using ALGORITHM=COPY (implicitly or explicitly), OPTIMIZE TABLE, DROP TABLE, DROP SCHEMA, or DROP DATABASE the backup fails with warnings like the following in the backup log:


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.