HP ProLiant DL380G5-WSS 3.7.0 HP StorageWorks HP Scalable NAS File Serving Sof - Page 161
Con FS Option for Linux, Overview, FS Option concepts and definitions, Export Groups
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9 Configure FS Option for Linux HP Scalable NAS and FS Option for Linux provide scalability and high availability for the Network File System (NFS), which is commonly used on UNIX and Linux systems to share files remotely. Overview FS Option concepts and definitions FS Option uses and manages the following objects to provide scalable and highly available file service across the cluster: Export Groups, export records, and Virtual NFS Services. Export Groups An Export Group is equivalent in form and function to the /etc/exports file of a traditional NFS server. However, unlike a traditional NFS server, FS Option supports multiple Export Groups (the equivalent of multiple independent /etc/exports files) on a single node. An Export Group is composed of a name (which must be unique among all other Export Groups in the cluster), a list of cluster nodes that will participate in the NFS service for the exports defined by this Export Group, and a list of Export Records describing the filesystems shared via NFS by the nodes listed in the Export Group. An Export Group created on one node of the cluster is immediately available to all cluster nodes defined in the Export Group. High-availability monitors are provided to watch the health of the NFS service and vital FS Option processes and to check whether the exported PSFS filesystems are mounted. These monitors can initiate failover actions when the monitor probe reports a failure. HP Scalable NAS File Serving Software administration guide 161
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