drbd-tools: drbd-tools (Userland Tools for Distributed Replicated Block Device) drbd-tools: drbd-tools: DRBD is a block device which is designed to build high availability drbd-tools: clusters. This is done by mirroring a whole block device via drbd-tools: (a dedicated) network. You could see it as a network RAID1. DRBD drbd-tools: takes over the data, writes it to the local disk and sends it to drbd-tools: the other host. On the other host, it takes it to the disk there. drbd-tools: drbd-tools: Home: http://www.drbd.org drbd-tools: drbd-tools: