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Isilon is a scale out network-attached storage platform offered by Dell EMC for high-volume storage, backup and archiving of unstructured data. It provides a cluster-based storage array based on industry standard hardware, and is scalable to 50 petabytes in a single filesystem using its FreeBSD-derived OneFS file system.
An Isilon clustered storage system is composed of three or more nodes. Each node is a server integrated with proprietary operating system software called OneFS (based on FreeBSD), which unifies a cluster of nodes into a single shared resource.
The three current Isilon lines, all running OneFS, are:
The all-flash F-series, focusing on performance and efficiency for unstructured data applications and workloads, which includes the F800 model
Isilon clustered storage system architecture consists of independent nodes that are all integrated with the OneFS operating system software. The systems can be installed in standard data center environments and are accessible to users and applications running Windows, Unix/Linux and Mac operating systems using industry standard file sharing protocols over standard Gigabit or 10-Gigabit Ethernet. Nodes within the clustered storage system communicate with each other over a dedicated InfiniBand local area network. The architecture is designed so that each node has full visibility and write/read access to or from a single expandable file system.
Data protection is formed using Reed–Solomon error correction coding. When a file is written it is spread across several nodes using parity calculated by which level you set the whole or parts of the cluster to.
Isilon provides multi-protocol access to files using NFS or SMB/CIFS or FTP. In addition, Isilon supports HDFS as a protocol allowing Hadoop analytics to be performed on files resident on the storage. Data can be stored using one protocol and accessed using another protocol. The key building blocks for Isilon include the OneFS operating system, the NAS architecture, the scale-out data lakes, and other enterprise features.
Recent deals between EMC and Cloudera will allow the Cloudera Enterprise Hadoop kit to be sold directly from EMC and its channel partners. The deal is expected to benefit the thousands of EMC Isilon customers with existing data lakes by providing a base for running analytic processes on their data, giving them access to Impala, Cloudera's open source, massively parallel processing SQL query engine that runs on Hadoop.