[deliverable/linux.git] / Documentation / blockdev / drbd / README.txt

Description

  DRBD is a shared-nothing, synchronously replicated block device. It
  is designed to serve as a building block for high availability
  clusters and in this context, is a "drop-in" replacement for shared
  storage. Simplistically, you could see it as a network RAID 1.

  Please visit http://www.drbd.org to find out more.

The here included files are intended to help understand the implementation

DRBD-8.3-data-packets.svg, DRBD-data-packets.svg  
  relates some functions, and write packets.

conn-states-8.dot, disk-states-8.dot, node-states-8.dot
  The sub graphs of DRBD's state transitions
Commit	Line	Data
b411b363 PR	1	Description
	2
	3	DRBD is a shared-nothing, synchronously replicated block device. It
	4	is designed to serve as a building block for high availability
	5	clusters and in this context, is a "drop-in" replacement for shared
	6	storage. Simplistically, you could see it as a network RAID 1.
	7
	8	Please visit http://www.drbd.org to find out more.
	9
	10	The here included files are intended to help understand the implementation
	11
	12	DRBD-8.3-data-packets.svg, DRBD-data-packets.svg
	13	relates some functions, and write packets.
	14
	15	conn-states-8.dot, disk-states-8.dot, node-states-8.dot
	16	The sub graphs of DRBD's state transitions