Copyright

LINBIT builds and distributes DRBD, maintains Heartbeat and contributes to
the Pacemaker and Corosync projects that are headed by the ClusterLabs.

Can I play with DRBD?

Yes, as the author and maintainer of DRBD, LINBIT releases DRBD source code under a GPLv2 license. This program is free software; you can redistribute them and/or modify them under the terms of the GNU General Public License as published by the Free Software Foundation; version 2. LINBIT’s certified, Enterprise Binary stack may not be used or distributed without the express consent of LINBIT.

Copyright and Trademark Notice

DRBD®, the DRBD logo, LINBIT®, and the LINBIT logo are trademarks or registered trademarks of LINBIT in Austria, the United States and other countries.