People often ask me why Mellanox is interested in storage, since we make high-speed InfiniBand and Ethernet infrastructure, but don’t sell disks or file systems. It is important to understand the four biggest changes going on in storage today: Flash, Scale-Out, Appliances, and Cloud/Big Data. Each of these really deserves its own blog but it’s always good to start with an overview.
Flash is a hot topic, with IDC forecasting it will consume 17% of enterprise storage spending within three years. It’s 10x to 1000x faster than traditional hard disk drives (HDDs) with both higher throughput and lower latency. It can be deployed in storage arrays or in the servers. If in the storage, you need faster server-to-storage connections. If in the servers, you need faster server-to-server connections. Either way, traditional Fibre Channel and iSCSI are not fast enough to keep up. Even though Flash is cheaper than HDDs on a cost/performance basis, it’s still 5x to 10x more expensive on a cost/capacity basis. Customers want to get the most out of their Flash and not “waste” its higher performance on a slow network.
Flash can be 10x faster in throughput, 300-4000x faster in IOPS per GB (slide courtesy of EMC Corporation)