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Vol. 3 No. 1 March 2004

Database archiving done right

When is a gigabyte not a gigabyte? Like a soldier in the front lines, a gigabyte of production data is supported by many others behind it. To keep the production data available 24x7, behind the scenes are local mirrored copies, remote mirrored copies for disaster recovery and copies for each parallel development and test effort, plus multiple copies of all of these. Consider the following best practices advocated by various vendors for mission-critical production data: Each production volume is protected by mirrored storage. To provide fast recovery from errors, two additional rolling snapshots of the data are kept online. To enable disaster recovery and business continuance, two copies of the data are kept on a remote storage system. One or both of those copies will be mirrored to protect the storage on the remote side in case production operations must be transferred to the recovery site. To facilitate non-disruptive backups of the production data, another independent copy of the data may exist (the life of the rolling ...

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Features in this issue

  • Storage Pros of the World Unite!

    Commune with fellow storage folk

  • Consolidating NAS pays off

    by  Alan Radding

    The role of network-attached storage may be changing as more and more storage managers discover the the benefits of using NAS to consolidate file servers.

  • Tape type matters

    High-performance tape formats may all seem similar in capacity and throughput, but most formats lend themselves better to some applications then others. Find out how to decide which one is best for you.

  • Slash SAN costs

    by  Marc Farley

    SANs are expensive if you operate them according to conventional wisdom. Find out how to break the vicious circle of high costs that limit the places you can use SANs.

  • How to get the best deal

    Take this crash course in bargaining for storage. Get the lowdown on effective tactics such as resisting vendor lock-in, working with multiple vendors and leveraging the second tier.

  • No SAS for Networked Storage

Columns in this issue