starting OpenPanel version 0.2.6, all new installs will use overlay2 as the default. 50% of available disk space will be allocated (reserved) for Docker containers.
This space can be increased at any time, but can not be shrunk.
This will prevent issues with the devicemapper for new installations: #171 Increate Docker thin space for devicemapper from 107.4GB. But for existing users that user devicemapper driver, data needs to be manually migrated.
To see if you are affected by the #117 bug, do: docker info | grep "Data Space Total"
if you see 107.4GB limit and devicemapper, then you are affected and will not be allowed to create users/data after that limit is reached.
To resolve this, docker needs to be reconfigured to use the new overlay driver and storage file created. This means that all docker data needs to be deleted, so we advice to first create a full bakcup.
After that:
- stop docker
- create new file of desired size
- configure to use overlay and new file
- create/import users again
- import their data *(their /home directories are not affected, only need to import data outside of /homr like databases, services..)
If you are using OpenPanel Enterprise, our support will handle the migration for you, in the off-peak hours that best work for you, simply open a ticket and schedule.
If you are using OpenPanel Community edition, we will soon provide a tutorial on how to safely do the migration.