====== Setting up storage on a separate disk ======
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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 sectionmkdir /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