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LSI Blog

The introduction of LSI® SF3700 flash controllers has prompted many questions about the PCIe® (PCI Express) interface and how it benefits solid state storage, and there’s no better person to turn to for insights than our resident expert, Jeremy Werner, Sr. Director of Product and Customer Management in LSI’s Flash Components Division (SandForce):

Most client-based SSDs have used SATA in the past, while PCIe was mainly used for enterprise applications. Why is the PCIe interface becoming so popular for the client market?

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What is Oracle ASM?
The Oracle® automatic storage management system (ASM) was developed 10 years ago to make it much easier for database administrators (DBAs) to use and tune database storage. Oracle ASM enables DBAs to:

  • Automatically stripe data over each RAW device to improve database storage performance
  • Mirror data for greater fault tolerance
  • Simplify the management and extension of database storage for the cloud and, with the ASM Cluster File System (ACFS), use the snapshot and replication functionality to increase availability
  • Add the Oracle Real Application Clusters (RAC) capability to help reduce total cost of ownership (TCO), expand scalability and increase availability, among other benefits
  • Easily move data from one device to another while the database is active with no performance degradation
  • Reduce or eliminate storage or Linux administrator time for configuring database storage
  • Use ASM as a Linux®/Unix operating system file system called ACFS.
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How did he do that?
Growing up, I watched a little TV.  Okay, a lot of TV as I did not have my DVR or iPad and a man who would one day occupy the White House as VP had not yet invented the Internet.  Of the many shows I watched, MacGyver was one of my favorites. He would take ordinary objects and use them to solve complicated problems in a way no one could have imagined. Out of all the things he used, his trusty Swiss army knife was the most awesome. 

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Emerging and disruptive markets are hard to quantify and forecast: They often apply different marketing labels for the same thing, and have no baseline industry data and no consistent methods of measurement and forecasting.

But this recent Wibikon big data report is head and hands above others. This is the third edition of the report and I wanted to give a shout-out to the authors – Jeff Kelly, David Vellante and David Foyer – on this best-in-class body of work.

Behind the numbers: The way I see it, big data has two different markets with very different technology and investment requirements and pace of adoption:

  • Consumer big data (web-scale Yahoo , Facebook and the like)
  • Enterprise big data for business and industry (banking, healthcare, government, manufacturing, retail)

And now, the color commentary on the Wikibon big data report …

  • $18.8B – 2013 total big data revenue … the 2012 number was $12B.
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One of the coolest parts of my job is talking with customers and partners about their production environment challenges around database technology.  A topic of particular interest lately is in-memory database (IMDB) systems and their integration into an existing environment.

The need for speed
Much of the media coverage of IMDB integrations is heavily focused on speed and loaded with terms like real-time processing, on-demand analytics and memory speed.  But zeroing in on the performance benefits comes at the expense of so many other key aspects of IMDBs.

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I was asked some interesting questions recently by CEO & CIO, a Chinese business magazine. The questions ranged from how Chinese Internet giants like Alibaba, Baidu and Tencent differ from other customers and what leading technologies big Internet companies have created to questions about emerging technologies such as software-defined storage (SDS) and software-defined datacenters (SDDC) and changes in the ecosystem of datacenter hardware, software and service providers. These were great questions. Sometimes you need the press or someone outside the industry to ask a question that makes you step back and think about what’s going on.

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My first blog in this series, “How to maximize performance of PCIe flash for enterprise applications running on Linux,” describes the steps for aligning PCIe® flash devices. This blog covers the next stage of setting up the PCIe flash device when using the Linux® operating system: creating a RAW device or a file system.

At this point, one or more PCIe flash cards have been partitioned on a sector boundary. Depending on their use, these partitioned devices are either set up as a single RAW device or as part of a logical volume or RAID array.

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I was recently speaking to a customer about data reduction technology and I remembered a conversation I had with my mother when I was a teenager. She used to complain how chaotic my bedroom looked, and one time I told her “I was illustrating the second law of thermodynamics” for my physics class. I was referring to the mess and the tendency of things to evolve towards the state of maximum entropy, or randomness. I have to admit I only used that line once with my mom because it pissed her off and she likened me to an intelligent donkey.

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Customer dilemma: I just purchased PCIe® flash cards to increase performance of my enterprise applications that run on Linux® and Unix®. How do I set them up to get the best performance?

Good question. I wish there were a simple answer but each environment is different. There is no cookie-cutter configuration that fits all, though a few questions will reveal how the PCIe flash cards should be configured for optimum performance.

Most of the popular relational and non-relational databases run on many different operating systems.

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Turn on your smart phone and it works like charm. But explosive global adoption of smart phones with feature-rich applications is stressing mobile networks like never before. For mobile network providers, the challenge couldn’t be more acute: Find new ways to deliver more mobile bandwidth even as the average revenue per user remains flat.

In this AIS interview, LSI’s Jeff Connell, director of mobile networking product marketing, talks about how network providers are turning to heterogenous networks (HetNets) to reduce the cost of deploying, scaling and managing mobile networks.

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