The Distributed Replicated Block Device (DRBD) is a Linux Kernel module that constitutes a distributed storage system. You can use DRBD to share block devices between Linux servers and, in turn, share file systems and data.
 
这种分布式复制块设备是一个由linux内核模块构成的分布式存储系统。你可以用DRBD在一些linux服务器中分享块设备,转而分享文件系统和数据。