IDC reports a lull in high-end enterprise spending in its quarterly disk tracker, with new growth lower in the market; Seagate plans encrypted 1 TB disk drive for PCs.
In many cases, storage can be added to the network using network attached storage (NAS) devices -- dedicated disk-based storage devices that attach to the user local area network (LAN) through an ordinary network connection. NAS devices can be expanded with additional disks, and new NAS appliances can be added as needed to facilitate significant amounts of network storage. NAS devices must also be managed with software tools to ensure cost-effectiveness. This article highlights a series of purchase considerations that are common to many types of NAS products.
It is 15 years since internet pioneer Vint Cerf tore off his shirt to reveal a T-shirt bearing the slogan "IP on everything" at a meeting of the Internet Engineering Task Force. But while Internet Protocol has become a de facto standard for voice and data traffic in general networking, it has failed to make an impression on the ramparts of storage networking.
EMC officially spins off part of its server virtualization subsidiary to the tune of $1.1B. Analysts are hoping the windfall will lead to deeper storage partnerships.
NAS appliances are frequently touted for bringing convenience and simplicity to network storage. Appliances include their own dedicated disks for storage and RAID, and most NAS appliances can be upgraded with more or larger disks for additional storage space. However, NAS appliances do pose some disadvantages. Consequently, the choice of NAS appliance requires careful evaluation. Now that you've reviewed the essential issues involved in any NAS product, this guide focuses on specific considerations for dedicated NAS appliances. You'll also find a series of specifications to help make on-the-spot product comparisons between vendors.
NAS appliances are noted for their convenience, offering dedicated internal storage that is relatively straightforward to identify and manage. The biggest issue for NAS appliances is avoiding network bottlenecks and supporting expansion without having to proliferate additional appliances across the network. The product snapshots in this chapter highlight key specifications for a cross section of major NAS appliance products.
Data storage continues to be a struggle for Sun, according to the company's quarterly earnings report. One bright spot is Thumper, and Sun is working on more products like it.