Diskless shared-root cluster: Difference between revisions

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A '''Diskless Shared-root Cluster''' is a platform for [[High Availability]] Infrastructures.
 
A Linux cluster filesystem, e.g. [[Global File System|GFS]] or [[OCFS2]], is the basis to form a [[Singlesingle-system System Imageimage]] (SSI) on filesystem level with any attached [[Storage Area Network]] (SAN).
 
The architecture of a [[diskless]] [[computer cluster]] makes it possible to separate servers and storage array. The operating system as well as the actual reference data (userfiles, databases or websites) are stored competitively on the attached storage system in a centralized manner. Any server that acts as a cluster node can be easily exchanged by demand.