How to configure storage settings#

See the Storage drivers documentation for the available configuration options for each storage driver.

General keys for a storage pool (like source) are top-level. Driver-specific keys are namespaced by the driver name.

Configure storage pools#

Use the following command to set configuration options for a storage pool:

lxc storage set <pool_name> <key> <value>

For example, to turn off compression during storage pool migration for a dir storage pool, use the following command:

lxc storage set my-dir-pool rsync.compression false

You can also edit the storage pool configuration by using the following command:

lxc storage edit <pool_name>

Configure storage volumes#

Use the following command to set configuration options for a storage volume:

lxc storage volume set <pool_name> <volume_name> <key> <value>

For example, to set the snapshot expiry time to one month, use the following command:

lxc storage volume set my-pool my-volume snapshots.expiry 1M

To configure an instance storage volume, specify the volume name including the storage volume type, for example:

lxc storage volume set my-pool container/my-container-volume user.XXX value

You can also edit the storage volume configuration by using the following command:

lxc storage volume edit <pool_name> <volume_name>

Configure default values for storage volumes#

You can define default volume configurations for a storage pool. To do so, set a storage pool configuration with a volume prefix, thus volume.<VOLUME_CONFIGURATION>=<VALUE>.

This value is then used for all new storage volumes in the pool, unless it is set explicitly for a volume or an instance. In general, the defaults set on a storage pool level (before the volume was created) can be overridden through the volume configuration, and the volume configuration can be overridden through the instance configuration (for storage volumes of type container or vm).

For example, to set a default volume size for a storage pool, use the following command:

lxc storage set [<remote>:]<pool_name> volume.size <value>