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Vol. 7 No. 5 July 2008

No open-and-shut case for NAS gateways

NAS gateways can be a practical solution for optimizing installed storage capacity, but they're used by only 30% of the respondents to our recent survey. The No. 1 reason for choosing the technology over separate NAS filers was excess capacity on a Fibre Channel (FC) or iSCSI storage array. Apparently, a lot of our NAS gateway users have unused high-end storage hanging around--64% of them connect their NAS gateways to Tier 1 FC storage on the back end. And 27% hook the gateways to older Tier 2 (or lower) FC storage. Of those not using NAS gateways, 30% have plans to implement gateways in the next two years. --Christine Cignoli

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Features in this issue

  • Solid State: New frontier for storage

    Solid-state media is starting to show up as an option for traditional storage arrays because it offers higher performance and lower power consumption. However, there are still reliability concerns related to wear out, the slower write performance of flash cells, and issues related to array management and interoperability.

  • DLT-S4 tape drives at bargain prices

  • Here comes 8Gig Fibre Channel

    New 8Gb/sec host bus adapters (HBAs) and switch devices have started arriving. But with storage arrays incorporating the new, higher speed technology still months away, end-to-end 8Gb storage infrastructures are still in the planning stages. Storage managers can get a jump on their 8Gig configurations by upgrading switches and HBAs now, or by considering networking gear that supports Fibre Channel over Ethernet.

  • Server blades and storage

    by  Ellen O'Brien

    Many IT shops are moving from traditional rack-mounted servers to blade configurations in hopes of reducing power and floor space requirements in their data centers. But combining blade architectures with server virtualization can cause problems with I/O and storage systems.

Columns in this issue