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Published: 19 Oct 2012

Traditional vs. clustered NAS storage Storage systems typically become siloed as more capacity is required. Multiple connections are required to allow hosts to access all installed storage. In a clustered storage system, the storage controllers communicate with each other internally and present a single file system to the hosts. Multiplatform hosts can connect to the cluster through a single connection to a switch which, in turn, is attached to the cluster. The storage side of the data center is waking up to what the server side has known for some time: Clustering is cool. Clustering has improved the reliability, availability and manageability of data center servers while allowing bundles of inexpensive configurations like blades to replace costly, monolithic servers. The benefits of server clustering haven't escaped the notice of the storage industry, but clustering storage involves challenges other than just tying servers together. Vendors have taken diverse paths to address those challenges, but they fall into two main categories: clustered file systems ... Access >>>

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