Diskless shared-root cluster: Difference between revisions

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The simplest way to achieve this is to use a NFS server, configured to host the generic boot image for the SSI cluster nodes. (pxe + dhcp + tftp + nfs)
 
To ensure that there is no [[Single point of failure]], the NFS export for the boot-image should be hostethosted on a two node cluster.
 
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.