Drbd is a block device which is designed to build high availability clusters. This is done by mirroring a whole block device via (a dedicated) network. You could see it as a network raid 1.
Welcome to the Gluster community, the source for all resources about downloading, installing, and running GlusterFS. GlusterFS is a cluster file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infi...