August 5, 2010

High availability with the Linux Distributed Replicated Block Device

The 2.6.33 Linux kernel has introduced a useful new service called the Distributed Replicated Block Device (DRBD). This service mirrors an entire block device to another networked host during run time, permitting the development of high-availability clusters for block data. Explore the ideas behind the DRBD and its implementation in the Linux kernel.

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