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Vol. 7 No. 8 October 2008

Snapshot: SAS use soars

Respondents to our recent Storage magazine survey like SAS drives and mainly for their price--although SAS adoption still trails Fibre Channel (FC) by a wide margin. SAS drive usage has jumped since the last time we asked about its adoption, with 63% of respondents now using the technology vs. 10% in the fall of 2007. The top reason for using SAS drives remains the same: They offer the performance users need at a lower cost than FC drives. Heavyweight FC still reigns in the disk drive arena; of all the drives respondents use in their arrays, 146GB FC is still No. 1. However, the percentage of users naming that format dropped from 59% to 54% this year. And while users like SAS drives, the majority keep less than 20% of their total capacity on the drives. All configurations of SAS drives--36GB, 73GB, 146GB and 300GB--gained ground since last year, with 146GB usage rising the most, from 16% to 53%. --Christine Cignoli

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Features in this issue

  • Are solid-state disks ready for the enterprise?

  • Green spin cycle

  • Second-generation CDP

    Continuous data protection (CDP) received lots of attention but garnered few takers as a standalone product. Since then, the technology has been incorporated into data protection products and its role is now likely to expand. In addition, rapid data growth and shrinking backup windows are two of the trends that support the increased adoption of CDP.

  • Solid-state distinctions emerge

  • Economy and capacity at odds

    With fewer bucks in the budget, storage managers are facing some constraints in dealing with growing storage capacities. But, according to Storage magazine's Purchasing Intentions survey, they're responding by earmarking some of those dollars to newer technologies like data deduplication that will help them cope with burgeoning data stores.

  • The green storage gap

    by  Ellen O'Brien

    Storage departments are trying energy-saving technologies, but measuring ROI is still a challenge. Some storage administrators are plugging vendor-supplied product power consumption numbers into so-called green calculators, but it's no easy task as there are inconsistencies in how each vendor presents its product's power requirements.

  • Storage for high-performance computing

    by  Deni Connor

    The storage and server cluster installed at The University of Texas at Austin is a lesson in how to do high-performance computing (HPC). Storage requirements for HPC go beyond massive capacity and include the use of high-performance file systems.

  • Ask the Experts

    Where and when should we use data dedupe for remote-office backups?

Columns in this issue

  • Best Practices: Why you can't go it alone

    by  Ashish Nadkarni

    Most IT departments are split into islands of expertise, like storage, servers and networks. But the time is coming when those disparate groups will have to learn to work together. Network consolidation is just one of the technologies forcing storage pros to build stronger interdisciplinary IT teams.

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