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How to Setup DRDB to Replicate Storage on Two Servers

Tecmint: The DRBD (stands for Distributed Replicated Block Device) is a distributed, flexible and versatile replicated storage solution for Linux. It mirrors the content of block devices such as hard disks, partitions, logical volumes etc. between servers. It involves a copy of data on two storage devices, such that if one fails, the data on the other can be used.