If you are using the EXPERIMENTAL paritydb database for your Polkadot node, when upgrading to Polkadot v0.9.12 from Polkadot v0.9.11, you will need to perform the following manual step after updating your node.
If you are not using the EXPERIMENTAL paritydb (using the --database paritydb-experimental flag) you do not need to take any action and this document can be ignored.
For the below commands, $CHAIN will depend on which chain you are syncing with your node.
- For Polkadot,
$CHAINispolkadot - For Kusama,
$CHAINisksmcc3 - For Westend,
$CHAINiswestend2
If you do not specify a custom BASE_PATH with --base-path/-d $SOME_LOCATION, execute the following command to move your database to the new location: