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Vol. 5 No. 10 December 2006

Host-based replication

While the lines of distinction among data protection technologies such as backup, continuous data protection and replication have blurred, host-based replication can play a key role in your overall data protection strategy. The lines between data replication and data protection software products are becoming blurred as storage managers wrestle with the familiar trinity of data protection: centralized backup, disaster recovery (DR) and business continuity. With some industry observers predicting a convergence of backup, continuous data protection (CDP) and data replication software in the next few years, choosing a host-level (server-based) data replication product has become much more complicated. The similarities that host-level replication software products have with backup and CDP products contribute to the difficulty in understanding where one ends and the other begins. For instance, CA XOsoft's WANSync replication software suite includes options that could allow it to fit into all three of these categories. Its WANSync ...

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Features in this issue

  • Hot technologies for 2007

    "Storage" magazine's editors reviewed technology developments, product introductions and storage standards to come up with this short list of must-have technologies for 2007. We believe iSCSI SANs, hardware-based tape encryption, high-capacity disk drives, virtualization and thin provisioning will have the greatest impact on enterprise storage environments.

  • SAN consolidation strategies

    As islands of SANs proliferate in companies, the cost of storage can soar. Sound SAN design strategies allow companies to reduce the number of SAN islands, strengthen a primary SAN, make storage easier to manage and provide more data protection.

  • Quality awards II: EqualLogic named top midrange array

    by  Rich Castagna

    Another Quality Awards dark-horse candidate, EqualLogic PS Series, joins backup winner BakBone in unseating established players for top honors.

Columns in this issue

  • Is it really a disaster?

    Was it really a disaster after all? It's important to distinguish operational recovery from disaster recovery because the tools and techniques used in each situation can differ significantly.