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Vol. 5 No. 5 July 2006

The best way to expand a SAN

When creating a SAN, you need to strike the right balance among performance, cost, scalability, high availability and ease of management. SANs are growing in two ways: They're getting bigger and companies are adding more of them. SANs are no longer limited to large organizations and mission-critical applications; they're popping up in small- to medium-sized businesses (SMBs) and are increasingly used to serve all storage tiers. Fueling the growth of new SANs is rapid storage growth, the integration of geographically dispersed data, compliance, more stringent application requirements and the need for a higher level of redundancy. With some SANs holding hundreds of terabytes of corporate data, it's imperative for a SAN to be reliable, scalable and have few, if any, performance issues. Growing a SAN involves balancing performance and high-availability (HA) requirements with your cost objectives in the following areas: Overall SAN architecture Switches and directors Protocols Storage arrays Computing platforms SAN architecture ...

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Features in this issue

  • Backup apps: More choices beyond the big three

    With numerous applications and a variety of hardware and software platforms, a single enterprise backup software product may not suffice for many companies. A bevy of backup applications that aren't as well-known as "the big three" may be better architected to handle new requirements.

  • Cut data down to size

    by  Arun Taneja

    With today's extreme data growth rates, adding disk-based protection is no longer an option but a requisite. Data reduction can help ease growth pains by paring down the data that goes to disk. There are many products with data-reduction capabilities available, but the technologies they use vary widely.

  • Survey Says: Users make wish list of VTL features

  • Talk is cheap

  • The best way to expand a SAN

    Building a new SAN or extending an existing SAN requires careful planning to strike the right balance between performance, cost, scalability, high availability and ease of management. Read how to determine what architecture is best for your company's storage access needs.

  • What's holding up ILM?

    While vendors work to fill in the gaps in the information lifecycle management stack and connect the pieces, IT and business units must hammer out a manageable set of policies to drive the ILM process in their organizations.

Columns in this issue