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Vol. 3 No. 11 January 2005

Data determines the right disaster recovery

What is a continuous snapshot? A block-mode continuous data protection solution that timestamps every snap. It's typically deployed in a purpose-built appliance using zero array cycles for each snap, having no impact on the storage array's performance. Each snap captures only the changes and adds it to the previous snaps, eliminating the requirement for complete data image captures and associated storage space. The application writes to the continuous snapshot appliance as if it is a mirror of the primary storage. Rollbacks can occur to any point in time before a corruption, deletion or damaging of the data. All disaster recovery is performed in the background and never has to disrupt the applications. Recovery is painless and nearly instantaneous. A viable, low-cost alternative to mirroring. How much should you spend on disaster recovery (DR)? It's a trick question that few, if any, storage administrators know how to answer. You can easily spend a king's ransom to protect your data, but few companies have that kind of money. ...

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Features in this issue

  • PCI express ready to go

    PCI express on track as next bus architecture.

  • Guests arrive at LTO-3 party

  • Inside ILM

    Information lifecycle management addresses the overall management of information from its creation to its demise. While full ILM applications aren't here yet, you can begin building an information management framework with the data lifecycle in mind.

  • Think thin (provisioning)

  • Back up desktop data

    The job of protecting desktop data is much easier today with applications specifically designed for the job, continuous data protection applications and third-party services.

  • Best storage products of 2004

    Our third annual Products of the Year presents 15 products that could transform the way you manage storage. The editors of Storage and, along with a panel of industry experts, selected these standout products based on innovation and value, among other criteria.

Columns in this issue