By Jeffrey R. Shapiro
This is often the definitive source for each community administrator, advisor, and architect who must maximize availability, scalability, and function in home windows server environments. Drawing on 20 years of home windows server event, Jeffrey Shapiro and Marcin Policht have written the main lifelike, complete, and autonomous home windows excessive availability advisor ever released. One step at, a time, they assist you intend, enforce, and deal with clustering, load balancing, fault tolerance, SQL Server, alternate Server, and lots more and plenty extra. alongside the best way, they tackle the most important excessive availability themes which are nearly neglected through so much books, similar to catastrophe restoration, functionality tracking, and operations administration. Shapiro and Policht supply a transparent, concise roadmap for protecting home windows servers operating 24x7 and supplying on even the main not easy service-level agreements. they supply real-world case reports and easy-to-use directions designed to aid readers make greater judgements extra swiftly.
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As a result, a single disk displayed in the Disk Management MMC snap-in might consist of two hardware-mirrored disks or a multi-disk array located in a storage enclosure. In essence, you should keep in mind that what you see through disk utilities running within boundaries of the operating system might not represent underlying hardware, but instead its virtualized view. This means that we should look into defining disks, partitions, and volumes separately from hardware and software. On the hardware level, there is little confusion about what constitutes a disk because the term describes a physical device.
If you have calculated that you are going with a quad system, it would be absurd to consider anything less than 4GB of RAM. If your software requires a four-way, then it will likely choke on a gig or two of RAM. The decisions are not too difficult to make. If you can afford to drop four big ones onto the motherboard, then filling her up to the max with memory is not likely to break the budget. It's worthwhile to fully understand the implications of faster memory and what one CPU can deliver over another.
Server Attached Storage Solutions As we mentioned before, there are four basic categories of systems in regard to the storage access technology. The most traditional one, known as server attached storage, consists of a server (or servers, in more advanced, clustered scenarios) with either internal IDE/ATA or SCSI controllers and storage or host bus adapters connected directly to external devices. We focus on SCSI-based solutions, despite the popularity of parallel ATA (also referred to as EIDE), because the latter reigns among desktops and workstations, rather than servers, which are of interest to us.
