Description
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DRBD is a shared-nothing, synchronously replicated block device. It
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is designed to serve as a building block for high availability
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clusters and in this context, is a "drop-in" replacement for shared
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storage. Simplistically, you could see it as a network RAID 1.
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Please visit http://www.drbd.org to find out more.
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The here included files are intended to help understand the implementation
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DRBD-8.3-data-packets.svg, DRBD-data-packets.svg
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relates some functions, and write packets.
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conn-states-8.dot, disk-states-8.dot, node-states-8.dot
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The sub graphs of DRBD's state transitions
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