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MySQL Enterprise Backup (MEB) Fails When Restoring a Compressed Backup (Doc ID 2735005.1)

Last updated on MARCH 23, 2021

Applies to:

MySQL Enterprise Backup - Version 8.0 and later
Information in this document applies to any platform.


On : 8.0 version, Miscellaneous

Restore is getting failed using mysqlbackup utility of MySQL v8.0.21.


201021 14:40:43 MAIN INFO: Operating system error number 2 in a file operation..
201021 14:40:43 MAIN INFO: The error means the system cannot find the path specified..
201021 14:40:43 MAIN INFO: Cannot open '/path/to/datadir/dbname'. Have you deleted .ibd files under a running mysqld server?.
InnoDB: Assertion failure:

The issue can be reproduced at will with the following steps:
1. Start with a working instance of MySQL 8.0.21 version.
2. Create a backup with MEB using compress options.
3. Attempt to restore the backup and restart the instance.

The issue has the following business impact:
Due to this issue, users cannot safely perform a backup that can be verified to restore.


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