Recording operation and maintenance of learning, the plan to upgrade the existing database of nearly Mariadb 100G, but in the first test server (version 10.3) under test.
1, first of all, to stop existing servers Service
2, started running a new version of MariaDB, to select this must be done as follows (new version installation directory to select a new address, but not before the old version installed directory)
3, the new version of the installation is complete there will be such a prompt, direct the Finish button.
4, this check MySQL (service). Continue to click Upgrade button to complete the upgrade
5, there success tips
6, restart the service, verify the current version, there is no problem
According to the actual test results, multi-version upgrade can not jump, jump to 10.4 from 10.0 last step after upgrading to direct the error. The results of detailed information not found error.