Setting up storage on a separate disk
By default, all data is stored in the /var section.
For example you have a separate drive connected to /storage.
- Work from the root user
sudo su
- Stop the recievers and DB
fastor-stop fastor-db-stop
- Create directories in the /storage section
mkdir /storage/qoestor mkdir /storage/qoestor/clickhouse mkdir /storage/qoestor/clickhouse-hot mkdir /storage/qoestor/clickhouse-cold mkdir /storage/qoestor/dump
- Copy tha data on the new drive
cp -r /var/lib/clickhouse/* /storage/qoestor/clickhouse cp -r /var/lib/clickhouse-hot/* /storage/qoestor/clickhouse-hot cp -r /var/lib/clickhouse-cold/* /storage/qoestor/clickhouse-cold cp -r /var/qoestor/backend/dump/* /storage/qoestor/dump
- Change the folder owner /storage/qoestor/clickhouse
chown -R clickhouse:clickhouse /storage/qoestor/clickhouse chown -R clickhouse:clickhouse /storage/qoestor/clickhouse-hot chown -R clickhouse:clickhouse /storage/qoestor/clickhouse-cold
- Delete the old directories
rm -rf /var/lib/clickhouse rm -rf /var/lib/clickhouse-hot rm -rf /var/lib/clickhouse-cold rm -rf /var/qoestor/backend/dump
- Create simlinks
ln -s /storage/qoestor/clickhouse /var/lib/clickhouse ln -s /storage/qoestor/clickhouse-hot /var/lib/clickhouse-hot ln -s /storage/qoestor/clickhouse-cold /var/lib/clickhouse-cold ln -s /storage/qoestor/dump /var/qoestor/backend/dump
- Check the links
readlink -f /var/lib/clickhouse readlink -f /var/lib/clickhouse-hot readlink -f /var/lib/clickhouse-cold readlink -f /var/qoestor/backend/dump
- Start the DB
fastor-db-restart
- Start the recievers
fastor-restart