- First of all, make sure you try to start MySQL with all values of innodb_force_recovery. From 1 till 6.
- If MySQL starts it’s better to dump tables one by one. Write small script that iterates over database and table names. Then dump each table with `mysqldump –skip-lock-tables $database $table`. If MySQL crashes on some table, fear not. Start it again and go on with rest other tables.
- By now you should have dumps of some tables. Some table cannot be dumped because MySQL creases when you access them. In this case grab *.ibd and .*frm files and go to https://recovery.twindb.com/
- First, you need to recover schema. Archive all .frm tables into a .zip or .tar.gz archive and upload it on “Recover Structure” -> “from .frm file”. You will get the structure back.
- Once you have the structure you can recover tables from .ibd files. Go to “Recover table” -> “corrupted .ibd file” and upload one .ibd file. Paste its structure as well. Don’t forget to specify MySQL version, it’s important.
- The system will try to recover the table and will show you result. If you happy with it you can download the dump. Please note this service is not free. Check our prices on https://recovery.twindb.com
- Guest answered 2 years ago
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