DRDB is a shared storage through network mirroring. It is a well established system great for fail-over solutions.
Recommended to be used with HartBeat.
- Philipp Reisner: DRBD v8 – Replicated Storage with Shared Disk Semantics, 18th September 2005. URL: http://www.drbd.org/fileadmin/drbd/publications/drbd8_orig.pdf
- Debian LAMP Failover cluster: Implementation: http://wildness.espix.org/index.php?post/2008/10/28/Debian-LAMP-Failover-cluster%3A-Implementation
- DRDB Homepage. URL: http://www.drbd.org/
Failover and DRDB 8 Again