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Vol. 7 No. 1 March 2008

New life for CDP

Before data deduplication turned white hot, continuous data protection (CDP) was supposed to be the next big thing for disk-based backup. But CDP never truly caught fire with users. They liked the idea of being able to roll back to any point to restore data, but not enough to purchase and manage a standalone product to do it. However, organizations are using CDP as the underlying technology for specific applications such as Exchange, and data protection vendors are building it into their products as a feature. Now CDP is being recast from an overall backup platform to a tool to facilitate replication for disaster recovery (DR). Double-Take Software's December acquisition of early CDP player TimeSpring is the latest example of an established vendor picking up CDP to aid replication. EMC acquired Kashya and CA bought XOsoft for that reason in 2006. Backup vendors Asigra, Atempo, BakBone Software and CommVault have CDP baked into their software as a feature to facilitate DR. Symantec acquired the intellectual property of CDP ...

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Features in this issue

  • Arrays score with both file and block storage

    Multiprotocol arrays that support block- and file-based storage through a single controller give users the best of both worlds: NAS for file-based information, and Fibre Channel or ISCSI block-based storage for databases and other transactional apps.

  • Case study: NY Mets add deduplication to roster

    With an extensive lineup of corporate data, photos and video, the Mets needed to recruit some backup help. The call went out for low-cost disk backup configuration, including deduplication and compression to reduce the amount of data to be backed up, as well as WAN optimization/acceleration to speed up the replication process. After much consideration, Data Domain was drafted for the job.

  • Ask the Expert:RAID rebuilds

    I run four 400GB SATA drives configured with RAID 5. I want to replace them with four 750GB drives. Can I rebuild and then swap individual drives?

Columns in this issue

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SearchVirtualStorage

SearchCloudStorage

SearchDisasterRecovery

SearchDataBackup

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