During a recent Aurora MySQL 8 upgrade process, a number of validation checks have failed. This is an analysis of the error message “present in INFORMATION_SCHEMA’s INNODB_SYS_TABLES table but missing from TABLES table”.

Some background

During a Major Upgrade from Aurora MySQL 5.7 to Aurora MySQL 8.0 the cluster instances were left in an incompatible-parameters state. The upgrade-prechecks.log shed some more light on the situation with

{
            "id": "schemaInconsistencyCheck",
            "title": "Schema inconsistencies resulting from file removal or corruption",
            "status": "OK",
            "description": "Error: Following tables show signs that either table datadir directory or frm file was removed/corrupted. Please check server logs, examine datadir to detect the …

Debian logo by Software in the Public Interest, Inc. (CC-BY-SA) MySQL and Debian 9 “Stretch” Debian 9 (“Stretch”) was released on June 17, and we congratulate the Debian community on another iteration of a central Linux distro. Now, the Debian release team some time ago decided not to ship MySQL as part of the distro, instead replacing it […]

MySQL Server 5.7 was released around a month ago, and download numbers show huge interest in upgrading from older MySQL releases. As with any product that is frequently used as core infrastructure in complex systems with numerous interdependencies, major version upgrades of MySQL should be approached with some care. In this post, I will cover […]

The Ubuntu 12.04.3 LTS release only provides MySQL 5.1 and MySQL 5.5 using the default Ubuntu package manager.

Oracle (owners of the MySQL(tm)) now provide Debian/Ubuntu APT repositories for all GA and DMR versions of MySQL including supporting Ubuntu 12.04.

The following steps demonstrate upgrading from the Ubuntu 5.5 server package to the Oracle 5.6 server package.

Verify MySQL Packages

$ apt-cache search mysql-server
mysql-server - MySQL database server (metapackage depending on the latest version)
mysql-server-5.5 - MySQL database server binaries and system database setup
mysql-server-core-5.5 - MySQL database server binaries
auth2db - Powerful and eye-candy IDS logger, log viewer and alert generator
cacti - Frontend to rrdtool for monitoring systems and services
torrentflux - web based, feature-rich BitTorrent download manager

Verify …

The IOUG Online Education Series: Get Real with Upgrades will include next week 3 different MySQL webinars. These are:

• MySQL 5.1: Why and How to Upgrade by Sheeri Cabral on Tuesday, July 27, 12:00 p.m. – 1:00 p.m. CT
• MySQL Upgrades With No Downtime by Sean Hull on Wednesday, July 28, 12:00 p.m. – 1:00 p.m. CT
• MySQL Upgrade Best Practices by Matt Yonkovit on Thursday, July 29, 12:00 p.m. – 1:00 p.m. CT

Each speaker will be covering different areas and reasons for considering and implementing a successful MySQL Upgrade.