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Vol. 9 Num. 10 February 2011

Replication revisited

Once an expensive option, replication is now available in many forms and is more affordable and effective than ever. The success -- and adoption -- of replication technology can be largely attributed to advances in local-area, wide-area and storage-area networking, as well as server virtualization and cloud computing. From replicating virtual machine (VM) images for data protection and high availability to the exchange of information with cloud services, replication has proved to be the most suitable and agile data transfer and protection method in increasingly virtualized IT environments. But it's not just coincidental progress that has elevated replication's role in data management. It's as much, and perhaps more, due to changes in business requirements. For example, downtime tolerance has been shrinking. A 2010 data protection research survey conducted by Milford, Mass.-based Enterprise Strategy Group (ESG) revealed that 18% of respondents can't accept downtime for tier 1 applications, up from 8% only three years ago. ...

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Features in this issue

  • Finalists: 2010 data storage Products of the Year

    Find out which products were chosen as finalists in the 2010 storage Products of the Year competition by Storage magazine and

  • Replication revisited

    Once an expensive option, data replication is now available in many forms and is a more affordable and effective disaster recovery option than ever.

  • Storage managers plan for busy 2011

    Based on our annual Storage Priorities Survey, it looks like a busy year -- storage budgets are up a bit and there are long to-do lists.

  • Using NAS for virtual machines

    Common wisdom says you need block storage for virtual servers; but with most hypervisors supporting the NFS protocol, NAS may work just as well.

Columns in this issue