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Sizing calculations need to include a minimum free space calculation for proper cluster sizing.
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For more information about Isilon data protection, see Dell EMC PowerScale OneFS: A Technical Overview.Īlthough cluster sizes as small as three nodes are possible, for safety and security applications we recommend a minimum of nodes. Since all data, metadata, and FEC blocks are spread across multiple nodes, dedicated parity drives are not required. Nodes, directories, and other metadata are protected at the same or a higher level as the data blocks they reference. Protection is applied at the file level, enabling the cluster to recover data quickly and efficiently. The Isilon system uses the Reed-Solomon algorithm for N+M protection with Forward Error Correction (FEC).
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OneFS does not rely on hardware-based RAID for data protection. Prepare your maintenance schedule accordingly. To maximize caching performance for safety and security workloads, the Dell Technologies Safety & Security Lab recommends using two SSD system drives per node in clusters where it is supported, such as the NL-series.īefore installing Dell EMC Isilon firmware updates for EMC, shut down your ACC service.
Emcopy settings on isilon software#
Software modules that control costs and optimize resources.Flexible data protection and high availability.Storage options that manage files and tiering.Scale-out nodes that add capacity and performance.A symmetrical cluster that runs a distributed file system.The platform's unified software provides centralized web-based and command-line administration to manage the following features: Powered by the distributed Isilon OneFS operating system, an Isilon cluster delivers a scalable pool of storage with a global namespace. The Isilon scale-out network-attached storage (NAS) platform combines modular hardware with unified software to harness unstructured data.