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Vol. 5 No. 5 July 2006

Talk is cheap

ARCHIVING DIGITIZED PHONE conversations is still a relatively rare practice, but regulatory compliance issues may prompt more companies to start, says Nick Shelness, senior analyst at Ferris Research in San Francisco. But whatever regulatory rules you must follow, don't let fears of high storage costs scare you from archiving phone calls. "The cost of online retention of voice, on a per-user basis, is trivial," says Shelness. Assuming a high-quality CS-ACELP digital-encoding scheme at 8Kb/sec (1KB/sec), a one-hour conversation would require 3.6MB. If an employee is on the phone one hour per day, 200 days per year, you're still storing less than 1GB of data per employee per year. "You don't need 15,000 rpm high-end SCSI drives" for this sort of "write-once read-never" application, adds Shelness. "People look at the cost of their high-end SAN storage and assume that's what they need for this. It's not." According to his research, low-cost, SATA-based RAID 5 storage can be purchased for as little as $1.60/GB. --Alex Barrett

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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