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Vol. 6 No. 5 July 2007

Mix SAS/SATA drives for speed or capacity

New arrays with a mix of SAS and SATA drives let you set up tiering in a single box. But proceed with caution: Numerous inoperability issues need to be resolved. The emerging class of mixed SAS and SATA storage systems could be the next big disruptive technology. Mixing high- and low-cost SAS and SATA disk drives within the same system, at interconnect speeds comparable to Fibre Channel (FC), is a recipe for significant change and opens the door to data lifecycle management (DLM). Most major storage vendors will release mixed SAS and SATA disk drive storage systems by early to mid-2008. The price of these systems is expected to drop below that of mixed FC/SATA arrays, and storage vendors will be jockeying for position. A spokesperson for Network Appliance (NetApp) Inc. says combining SAS and SATA drives in the same system is critical to the company's future product lines. However, issues unique to SAS/SATA mixed-drive products are starting to emerge. For example, Overland Storage Inc. recommends users separate SAS and SATA disk ...

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Features in this issue

  • HDS reigns over enterprise arrays ... again

    The third annual Diogenes Labs-Storage magazine Quality Award for enterprise arrays saw some changes among the vendors, but a familiar theme prevailed as Hitachi Data Systems copped top honors for the third time.

  • EMC aims for "ease of use" at EMC World

    by  Rich Friedman

  • Tools to fine-tune your backups

    Backup and recovery applications typically include reporting capabilities, but they're often rudimentary and provide only basic information on the success or failure of data protection operations. Data protection and recovery management (DPRM) products, an emerging class of monitoring and planning tools, fill in the gaps where traditional backup apps fall short. DPRM tools provide advanced capacity reporting, predict usage patterns and allow performance tuning, troubleshooting and cost management. Here's how to pick the best product for your shop.

  • Can iSCSI crack the enterprise?

    by  Stephen Foskett

    iSCSI storage systems are showing up in medium-sized businesses, but storage managers at large enterprise shops have been reluctant to embrace them. This is largely because Fibre Channel (FC) is so firmly entrenched in bigger companies. But iSCSI offers some unique benefits that may appeal to shops with FC-only environments.

  • Snapshot: iSCSI storage

    Users speak out about iSCSI

Columns in this issue

  • Editorial: People and power

  • Best Practices: The ultimate archiving challenge

    Given current practices, it's questionable whether electronic information created and stored today will be usable 10 years or 15 years from now. The steps we take now will greatly affect the magnitude of the problem facing us (or our successors) in the future.

  • Storage Bin: Boring is good

    by  Steve Duplessie

    They may not be the sexy new technologies of the moment, but boring "vision" tools that provide insight and report on storage infrastructure are as necessary to your environment as ensuring that the system you run is getting power from the wall.

  • Hot Spots: The inevitability of tape encryption

    by  Jon Oltsik

    In the near future, encryption technologies will closely mirror the old "death and taxes" cliché as one of those things that are inevitable. Approximately 25% of enterprises have gotten the encryption message, but the vast majority are still on the sidelines.

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