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Access "What's better for backup: tape or disk?"

Published: 16 Oct 2012

Recently, an increasing number of clients have been asking me about replacing tape with disk in some--or all--of their backup infrastructure. Until recently, the cost of tape was far less per unit of storage than any other media. It is easily transportable, making off-site storage possible. In addition, newer tape technologies have increased both speed and capacity dramatically. So why do people want to replace it? Typical complaints about tape focus on four areas: Performance. Because it's serial, tape is perceived--rightly or wrongly--to be slower than disk. Reliability. Everyone who has dealt with backups has experienced tape failure: they wear out, get mishandled or just go bad. Handling. Removing cloned tapes from a library, adding scratch tapes and cataloging bar codes--tape handling can be a nightmare, especially given the ever-increasing number of tapes. Cost. Tape media costs and tape off-site storage costs are budget line items that continue to soar. However, upon closer analysis, one finds that these really aren't tape problems per se. They are ... Access >>>

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Features
    • Sony Joins Super Drive Game

      The market for super drives is alive and kicking, according to a recent report from Freeman Reports, with unit shipments more than doubling from 2001 to 2002.

    • Firm Sees the Storage Automation Light

      Many IT people are on the fence about automated storage management, but at Allegra Systems in Piscataway, NJ, there's no doubt that automatic file migration software has cut down on the IT staff's workload.

    • Backup exec gets big boost by Tom Henderson

      Version 9.0 has a surprising number of features that enable it to work with newer storage technologies.

    • Pushing storage to the edge by Susan J. Marks

      If you're delivering large content files to widely distributed users, consider moving data storage closer to the user.

    • Surveillance Gradually Going Digital

      Security-conscious companies who started out using analog videotapes, are gradually making the switch to digital, offloading to digital tape and occasionally, cheap ATA disk.

    • Bring DBAs into the SAN era by Jim Booth

      You may not want DBAs poking around inside your fabric, but the more they understand about SANs, the better they'll be.

    • How to do hybrid backup by Mark Teter

      Disk-based backup is an attractive idea, but you'll want to get a handle on how to optimize it.

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