In enterprise storage world, scale-up storage (NAS in this case) refers to the process of adding more hard drives to a unit until a physical limit is reached. At this point, they are only two things we can do. One is to go for an entire device replacement (Also called as forklift upgrade) with a new one with greater capacity and performance and the other is to go for a new device which can run in parallel with the original.
In the case of forklift upgrade, users need to copy all the old data to the new machine and this result in downtime, as data has to be replicated and large costs get associated in this activity. With the addition type upgrade, users can add capacity to network by bringing in a new device without removing the old data stores. The disadvantage to this approach is that it creates multiple storage pools on a network and users have to remember where everything is located. For large organizations, this can create a large island of drives, lost files and wasted time and resources.
In the case of Scale –Out storage, additional capacity and performance is added to a network without retiring the old device and without creating islands of different storage pools. Scale-out NAS allows addition of new storage devices to the network which will expand the pool of storage and doesn’t create a separate storage resource. For big data methodologies and programs like Hadoop where storing and analyzing of unstructured data across distributed file systems, both capacity and performance are highly needed and this is where a scale-out NAS proves its prominence.
StoneFly, Inc. offers Scale out NAS appliances in its product catalog. StoneFly Super Scale out (SSO) and Twin Scale out (TSO) NAS appliances are being offered to deliver unprecedented performance, redundancy and scalability.
StoneFly SSO NAS series of appliances were designed for customers requiring a powerful storage solution that can scale out storage capacity while scaling up performance. SSO Super Scale Out NAS nodes scale up to 36 drives and 288 Terabytes of storage per chassis, up to 256 drives per node, and easily scale out to multiple nodes on demand. Perfect for managing large quantities of unstructured (file-based) data within a single global namespace and a single file system. SSO was designed for markets that require vast quantities of high bandwidth throughput or fast parallel throughput for very large files required by high performance computing in media and entertainment.
StoneFly TSO NAS series of appliances are being offered to storage environments to expand one or more volumes across multiple nodes using no metadata and a single namespace. In these appliances they are two nodes having identical working components which share data between each other to offer data redundancy and high availability. Usable bandwidth increases as new nodes are added. Best of all, users can manage multiple nodes with just a single user interface. Each time the TSO is scaled out, it adds more capacity, more throughputs, and more concurrency. Installation, management and scaling is simple to achieve at any size with a TSO.
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