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Vol. 1 No. 10 December 2002

HBAs: Why some are better than others

The host bus adapter (HBA) is the Rodney Dangerfield of the storage area network (SAN). It gets no respect. An often unconsidered part in the deployment and adoption of enterprise SANs is the ubiquitous Fibre Channel (FC) HBA found in servers and storage arrays alike. But buyers beware: All HBAs aren't alike, and they are starting to incorporate some pretty sophisticated technology and features. SAN connectivity While SAN deployments today are frequently associated with fiber optic, the Fibre Channel (FC) specifications don't require fiber optic cabling. All HBA vendors support and provide copper connector kits that generally cost up to $200 less than their fiber optic HBA counterparts. While copper connectivity may seem like a small detail, it permits an organization that lacks the finances or personnel with fiber cabling expertise to enter the SAN space. While copper is a robust solution, a copper deployment does have its limitations. First, copper has a 100MB/s limitation and there doesn't appear to be a current upgrade path ...

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Features in this issue

  • CTRC Mirrors with iSCSI

    The Cancer Therapy and Research Center in San Antonio has aggressive uptime goals for IT resources at its two facilities.

  • IBM Demos Storage Tank

    Big Blue's new Autonomic Computing Organization is working on technologies that will reduce the human costs of running complex computing and storage systems.

  • SNIA Relaunches Supported Solutions Forum

    Eighteen months ago, the Storage Networking Industry Association announced the formation of the Supported Solutions Forum.

Columns in this issue