DRBD (Distributed Replicated Block Device) is a distributed storage system that replicates data across multiple nodes. It is designed to provide a high degree of data redundancy and availability by mirroring the contents of a block device across multiple servers. DRBD is a block-level replication solution that works with various filesystems and storage devices. It works in conjunction with an underlying cluster management system such as Pacemaker, Corosync, and Heartbeat to provide a highly available data storage solution. DRBD is commonly used for database replication, file sharing, and virtual machine (VM) storage. DRBD is a great solution for businesses looking for a reliable and cost-efficient way to back up, replicate, and synchronize data.
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