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Vol. 4 No. 11 January 2006

Cut big backups down to size

Cut big backups down to size Data-reduction technologies can slash the amount of data that gets backed up, making disk-based backup a cost-effective alternative. The world of backup is in a state of flux, although it may not appear to be at ground level. There's more innovation and a greater variety of choices than ever before. The underlying enabler for this torrent of change is the availability of low-cost, high-capacity disk. But it would be misleading to view disk-based backup as a monolithic approach. If you've recently invested in disk-based backup--or are considering it--you may have experienced sticker shock at the overall cost of moving to disk. The benefits of disk may be apparent, but when your vendor plans a configuration for you, the amount of capacity required may surprise you. Accurately sizing a tape library and planning for growth are important tasks in tape-based architectures, but it's even more critical to get it right for disk. Traditional backups require a significant multiple of the primary data being ...

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Features in this issue

  • Pump up array performance

    As data wends it ways from hosts, through the fabric and to the array, it encounters many potential bottlenecks. But that also means there are a number of ways to improve storage subsystem performance. The key to the tuning process is a thorough understanding of your application requirements.

  • Encryption appliances reviewed

    Lost tapes have been headline news lately, making encryption products hotter than ever. We review encryption products from Kasten Chase, NeoScale Systems and Vormetric to help you choose the best product for your shop.

  • Top tape libraries revealed

    by  Rich Castagna

    Users cite a high level of satisfaction for these backup mainstays, citing StorageTek and Spectra Logic as the top libraries, in the Diogenes Labs-Storage magazine Quality Awards.

Columns in this issue