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Vol. 5 No. 4 June 2006

Scaling storage

Scaling storage might seem as easy as tossing a few more disks into the array, but adding just capacity can affect your overall performance. "Scalability" is often defined as the ability of a storage system to support more or higher capacity hard drives. But that's not the whole story. For a storage array to be considered truly "scalable," there are other factors that are just as important -- or maybe even more important -- than disk capacity. Scaling an array's disk capacity may be as simple as buying a few drives, but scaling throughput or performance (such as changing the fan-out ratio or an application I/O profile) can be a challenging task. And it's a task that may be compounded if too little thought was put into the initial design of the storage system in terms of how it was implemented or its hardware configuration. There are many perils associated with growing a storage environment, as additional I/O may cause an imbalance that could impact the system's overall performance. When additional capacity is being considered, ...

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Features in this issue

  • Deduplication extends to archives

  • Lock up data with fixed-content storage

    For most companies, fixed-content storage requirements are simple: Store the data securely, do it cheaply and provide fast access. With more data subject to external and internal audits, content-addressed storage products are becoming the preferred storage medium for long-term protection of fixed content.

  • Storage growth drives buying plans

    The results from our exclusive semi-annual Purchasing Intentions Survey are in. Storage growth is a key concern for storage managers, as additional capacity has a ripple effect that touches many other components in the storage environment.

  • Is encryption enough?

    Encrypting data at rest is definitely a reliable security measure, but it should be considered only one component of an effective storage security plan.

Columns in this issue

  • Time to think outside the box when it comes to data protection

    Storage Bin: The concept of "That's the way we've always done it" isn't going to work anymore, and it sure won't help you build an efficient disaster recovery plan. It's time to think outside the box when it comes to data protection.

  • The rise of the ultra-dense array

    by  Stephen Foskett

    Disk drives are getting smaller and smaller even as their capacities rise. Now storage vendors are packing more disks than ever into smaller spaces, which saves costly data center real estate. But the denser arrays also have a downside--higher power consumption and more heat.

  • A look at data classification products for e-discovery

    New technology products that look inside data can help you classify and manage that data more effectively. But these tools can also be leveraged for e-discovery, allowing specific data to be found and acted upon quickly to satisfy legal requirements.