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  • Staring down the security issues in cloud computing

    Adoption of cloud computing has no doubt been slowed by worries about the security of those out-of-sight servers and resources. While reasonable, those worries have given way over time to acceptance and even optimism.

    In this month's Modern Infrastructure cover story, TechTarget’s Trevor Jones writes about why security issues in cloud computing are not the impediment to adoption that they once were. In fact, some organizations are coming to the conclusion that their workloads run more securely in a public cloud than in an on-premises environment. Cloud service providers possess security expertise and experience at levels that aren’t as readily available on a typical IT staff, and certifications give confidence that providers can actually do all they claim to do.

    The public cloud is not a risky place to do business, though its safeguards are different from those you've put in place to protect your own data center. These differences are most clearly seen when looking at the shared-responsibility model, which addresses many of the security issues in cloud computing. Users and providers must each do their part. Otherwise, the risks will become apparent, and cloud computing won't be what you need it to be.

    This issue also looks at how a new wave of products in development brings memory and storage technologies closer together. Nonvolatile dual-inline memory modules, for example, combine the speed of memory with the persistent qualities of storage in some interesting ways. Also included is an article on how some IT shops that have adopted flash storage are simultaneously impressed and disappointed with the results. Costly flash products invariably improve performance, but they won't solve every problem or clear every bottleneck.

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  • SSD caching

    SSD caching, also known as flash caching, is the temporary storage of data on NAND flash memory chips in a solid-state drive so data requests can be met with improved speed. Continue Reading

  • NVDIMM (Non-Volatile Dual In-line Memory Module)

    An NVDIMM (non-volatile dual in-line memory module) is hybrid computer memory that retains data during a service outage. Continue Reading

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Evaluate Flash memory Vendors & Products

Weigh the pros and cons of technologies, products and projects you are considering.

  • The status of NAND flash memory now and in the near future

    Flash memory chips have driven a revolution in storage, and faced a recent shortage because of huge demand. That's easing, and advances in NAND technology show a great future. Continue Reading

  • The present and likely future of the NVMe protocol

    The NVMe and PCIe combination of protocol and interconnect was an inevitable development once solid-state drives were created, as was moving NVMe to fabrics. Continue Reading

  • The state of flash storage performance

    All-flash arrays have virtually eliminated flash storage performance issues, for now. But applications and user expectations will eventually catch up. Innovations in flash technology -- such as nonvolatile memory express and storage-class memory (flash DIMM) -- promise to keep solid-state storage ahead of the curve, however. We discuss these technologies and more as we explore the current and future states of flash storage performance.

    DevOps allows developers to rapidly create, develop, amend and deploy applications using Agile methodologies. DevOps resources, including storage, are consumed differently, though, taking more of a cloud-like approach.

    Security and compliance concerns are big obstacles to public cloud storage adoption. Reliability, data movement and poor application performance, frequently from irregular spikes in network latency, are other important caveats. We provide tips on how to overcome these and other issues.

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Manage Flash memory

Learn to apply best practices and optimize your operations.

  • How eMMC 5.0 can improve your organization's small storage needs

    The latest eMMC specification puts the tiny flash storage devices on a level playing field with many SSDs when it comes to speed -- but eMMC is still the smallest flash drive. Continue Reading

  • How can medical imaging archive systems get the most from storage tech?

    In this Ask the Expert column, learn the most important storage technologies, including data deduplication and flash, to boost medical imaging archive systems. Continue Reading

  • Flash storage caching, tiering or both? Consider the workload

    If you're using a flash-based storage system, you're familiar with caching and tiering to accelerate data. Storage tiering is used in hybrid flash storage systems to separate active and inactive data. Active data is kept on the flash tier, while inactive data is moved to a less-expensive storage tier. If the data becomes "hot" once again, it is moved back to the flash tier. Because data only lives on one tier at a time, tiered architectures need to have some kind of redundancy built into them.

    In caching, data is copied or mirrored from one tier to another, so active data is on multiple tiers at the same time. If the active data is no longer needed, the cache will just create flash space for new data sets to use.

    Vendors implement tiering technology in various ways. Some even have a "flash-first" approach that puts all data on flash before it is moved to a hard disk tier to become inactive. Users therefore have to be careful not to overprovision flash in these environments.

    The decision to use tiering or caching depends on a variety of factors, such as the number of applications that require access to high-performance storage resources, the I/O patterns of these applications and your budgetary constraints.

    Learn when to use each of these technologies in your own environment.

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