March 2013
Beginner
600 pages
18h 15m
English
Storage costs within an IT project are always a large component in terms of capital expenditures (CapEx). In a server application such as Microsoft Exchange, SQL Server, or even a Hyper-V workload, three main storage solutions are typically supported: direct-attached storage (DAS), iSCSI storage, and Fibre Channel storage. Each storage option presents issues involving data availability, CapEx, and data mobility that need to be addressed, especially when planning your overall storage architecture.
With DAS, the issue is one of high availability. DAS is not highly available by nature, although it is reasonably inexpensive to purchase and has a good overall level of performance. If a server with DAS fails, the associated ...