DRBD ( Distributed Replicating Block device ) is a Linux block device that is designed to mirror a whole block device over a network link. Today the team developing DRBD released version 8.0

Among many bug fixes and improvements in the new version we find support for primary/primary ( two way synchronization ) for distributed file systems such as OCFS2 and GFS, optional peer authentication with a shared secret and improved tunable after-split-brain recovery strategies.

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