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Vol. 1 No. 4 June 2002

Tape libraries automate backup

Tape and recovery are synonymous. But it's the automation that libraries add to the base technology that make tape a viable road forward for storage managers. The comparative low cost for backup and recovery ensures tape's continued use to keep up with the explosion of data. New tape technologies need to maintain pace with the increasing time and cost of backup/recovery. Even though redundant and/or remote disk mirroring has become less expensive, and thus more popular, due to its higher speed, tape is still the best solution for many businesses. Best practices for recovery take a data snapshot from disk and write it to removable tape cartridges. Then the cartridges are sent to a safe, off-site archive. Tape overcomes single points of disk failure like software corruption cascading to the mirror or disasters, including sabotage, affecting both locations. For example, several companies mirrored from one World Trade Center tower to the other before Sept. 11. Others mirrored from their WTC tower to buildings across the street, ...

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Features in this issue

  • Now, That's a Cluster!

    Lawrence Livermore National Labs is pushing the envelope with a new storage cluster that mates 115TB of networked disk with a massive cluster of 600 dual Pentium 4 servers.

Columns in this issue

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