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Vol. 4 No. 9 November 2005

CDP comes down to Earth

The frenzy over continuous data protection (CDP) reached a fever pitch this fall with several new products on the market. At the same time, shifts in vendor rhetoric suggest they're being more realistic about their products' scope. It's increasingly clear that there are two kinds of CDP: one for user files and another for enterprise applications. Products catering to the former include IBM Tivoli CDP for Files, Microsoft's Data Protection Manager and Symantec/Veritas' Backup Exec 10d. Enterprise applications, meanwhile, use Asempra Technologies' Business Continuity Server (BCS); CommVault Systems' Continuous Data Replicator, an add-on to its QiNetix data management suite; EMC's RecoveryPoint; and Mendocino Software's RecoveryOne (upon which EMC's product is built). With the early days of CDP behind us, vendors seem to be playing down the idea of restore to "any point in time" without abandoning the idea altogether. For example, in addition to recovery to any point in time, EMC RecoveryPoint offers recovery to a "significant ...

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Features in this issue

  • Quality Awards: What are the best midrange arrays?

    Midrange array users are a generally satisfied group, according to the latest Diogenes Labs-Storage magazine Quality Awards survey. While all midrange array vendors fared quite well in this third installment of our awards program, the vendor that snared top honors might surprise some people.

  • Easing away from ESCON

    by  Alex Barrett

    ESCON, the protocol that pre-dated FICON as a systems-to-storage connection, is incompatible with the newer FICON-based systems. This tip looks at various ways you can tackle this dilemma.

  • Secure your backups

    The headlines tell the story: Lost tapes can jeopardize the confidentiality of personal information and cause public-relations woes for those companies charged with safeguarding that data. Encryption can solve the problem, but implementing tape encryption isn't so easy, as performance issues could impact backup windows.

Columns in this issue