# InnoDB Troubleshooting - [InnoDB Troubleshooting Overview](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-troubleshooting/innodb-troubleshooting-overview.md): A starting point for diagnosing InnoDB issues, recommending checks on error logs, deadlocks, and table integrity using various tools. - [InnoDB Data Dictionary Troubleshooting](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-troubleshooting/innodb-data-dictionary-troubleshooting.md): Learn how to resolve inconsistencies between the InnoDB internal data dictionary and the file system, such as orphan .frm or .ibd files. - [InnoDB Recovery Modes](https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-troubleshooting/innodb-recovery-modes.md): Understand the different \`innodb\_force\_recovery\` levels, which allow you to start the server in read-only modes to recover data after a crash. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://mariadb.com/docs/server/server-usage/storage-engines/innodb/innodb-troubleshooting.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.