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This article is part of the Vol. 5 No. 5 July 2006 issue of Lessons learned from creating and managing a scalable 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 Besides redundancy, the determining... Access >>>
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- The pitfalls of data deletion
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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.
- Flash storage settles in high-performance niche
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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.
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Real disaster recovery testing
You have a disaster recovery plan in place, but how often does it get tested? We describe what parts of a plan should be tested, suggest a few wrinkles that can make your tests more effective and point out some DR-related activities that are often overlooked.
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.
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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.
- Real disaster recovery testing
Looking for disk in all the wrong places
by James Damoulakis
If your shop is inundated by a steady stream of requests for more storage, you need to get control of your company's storage consumption. To understand the problem, you have to examine the overall request and provisioning process and recognize the roles that data management and protection policies play.
What is Information lifecycle security management?
by Jon Oltsik
Information lifecycle security (ILS) is a new approach to securing data based on the value of the content. ILS defenses change over time as information ages and its value decreases.
The storage show season is gearing up with lots of interesting vendor news
Storage Bin: The storage show season is gearing up. With lots of interesting vendor news, legions of users attending and a juicy rumor or two, these storage soirees aren't just informative--they're fun, too.
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