There's a lot of buzz about cluster file systems being the ultimate Software Defined Storage (SDS) . I couldn't agree more. I like to think of cluster file systems as the Swiss army knife of storage -- many styles of storage possible with one cluster file system product -- high IOPS, high streaming bandwidth, or cost effective styles all possible, with high availability, high elasticity at the same time.
Cluster file systems can leverage cost effective, commodity storage rich servers, and the wealth of Hard Disk Drive (HDD) and Solid-state Drive (SSD) storage options they offer, to create enterprise-grade storage. IBM's General Parallel File System (GPFS) is a mature, robust, award winning product, well known for performance and scaling in some of the world's largest supercomputer installations, that makes a great software defined storage subsystem for many, many applications.
IBM recently published an online book titled Software Defined Storage for Dummies , which shows the dramatic capabilities of GPFS-as-SDS and many real world applications. The Software Defined Storage For Dummies, IBM Platform Computing Edition , not only examines data storage & management challenges but also explains how software defined storage delivers an innovative solution for high-performance, cost-effective storage using IBM’s GPFS.
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