During the Nagios World Conference Europe™, one of the topic that will be presented is “Real Time Cluster Synchronisation for more Reliability in High Availability Systems”. Martin Loschwitz, Linbit Senior consultant, will clarify this concept introducing new Linux standards DRBD and explaining how DRBD can substitute the SAN data center.
“The data are the lifeblood of an application. Without them even the best platform will be useless. One of the goal during the creation of high availability solutions is the redundancy of the data. With SANs setups is possible to guarantee the high availability but with some limits. In fact these configurations are Single point of Failures (SPOFs), despite the internal redundancies, and the companies are dependent to their suppliers for a long term. DRBD is a solution for the redundant archiving of data for Linux and a proven alternative to the SAN’s data centers. With DRBD every data is duplicated twice on two independent servers. So if one of the server has problems, the application can be restarted in the other one without any loss of data. Downtimes are in this way eliminated.”
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