Solid state disks
hard disks
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Disk to disk backup Solid state disks hard disks |
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| See also:- |  Squeak! -
the Fastest SSDsSqueak! - the 2.5" SSD Guide Squeak! - the Solid State Disks Buyers Guide Squeak! - the Fastest Growing Storage Companies Squeak! - Who's Eating Whom in the Storage Market? Squeak! - SSD Myths and Legends - "write endurance" article:-the Future of High Speed HDDs Doesn't Lie in 20K RPM | ||
| Editor's intro:- | The surprising thing about InfiniBand is that it has the potential to reduce storage network costs as well as increase speed. | ||
| InfiniBand enabled
sharable I/O will reduce complexity; improve reliability, manageability and
bandwidth; and significantly improve total-cost-of-ownership (TCO) and user
satisfaction with storage networks.
Currently there are multiple storage network topologies and protocols that are widely deployed. These include storage area networks (SANs) with Fibre Channel, and network attached storage (NAS) with Ethernet. Additional storage protocols are also emerging, including IP-based storage and Direct Access File Systems (DAFS). A great deal of time and money has been invested in the planning, deployment, and maintenance of these varied storage implementations, yet they have been fraught with escalating cost as the number of I/O interfaces per server has increased. Storage networks are characteristically application, server and/or vendor-specific and therefore produce disparate islands of data. Today's approach to storage networks utilizes a separate interface per server to access each of the varied storage networks. This creates complexity resulting in a reduction in efficient response to rapid changes in business requirements. The introduction of a sharable common intelligent I/O subsystem simplifies IT environments, improving overall competitiveness. The sharable I/O subsystem will allow standalone, rack mounted and/or blade servers to exploit a common high-availability infrastructure. This infrastructure will permit servers to communicate with Fibre Channel, Ethernet or native InfiniBand storage and/or network devices via a set of low latency, high bandwidth, InfiniBand links. This will eliminate the complexity of wiring each server independently to multiple networks (e.g., Fibre Channel SAN, Ethernet SAN, and Ethernet NAS). In addition, a sharable I/O subsystem simplifies the process of adding server or storage capacity by creating a common point of connectivity. This capability reduces the number of server connections, increases flexibility and scalability, and provides a significant improvement in overall TCO while providing equal or better availability and throughput. InfiniCon Systems' solutions will leverage InfiniBand to fulfill the vision noted above, addressing the challenges that exist in storage networks by offering a shared Fibre Channel/Ethernet/InfiniBand infrastructure. "The ability to deploy a shared infrastructure will enable a simplified network topology from the server to access the appropriate type of storage for an application," explained Todd Matters, chief technology officer, InfiniCon Systems. "Sharable I/O is the next evolutionary step in IT." "In today's IT environment, the one single issue we all talk about is getting better economies of scale - from people, from storage, from servers," stated Steve Duplessie, founder and senior analyst, Enterprise Storage Group. "InfiniBand, and more specifically the shared I/O approach of companies like InfiniCon Systems, will enable users to consolidate and control their environment at a level they haven't seen since the mainframe days. Shared I/O will go a great way to solving the complexity and management issues of today's storage architectures." in future articles. |
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