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Build better containers—with Intel’s latest processor plus NexentaEdge

March 31, 2016 By Nexenta

By Oscar Wahlberg, Director of Product Management, Nexenta

If you’ve been wanting to start using containers—or use them more extensively—here’s some great news: The Intel Xeon processor E5 2600 v4 product family and NexentaEdge make an ideal infrastructure for building containers.

Containers have become an important approach for building apps that can scale up to the demands of the cloud. With containers, you can bundle an application with all the parts it needs— such as libraries and other dependencies—and ship it all out as one package. With a Docker container, the application will run on any other Linux machine regardless of customized settings.

Containers are an easy choice for stateless applications that require little or no persistent storage. But they can also work for stateful applications, too, as long as you have persistent storage solutions that integrate with container deployments—like NexentaEdge scale-out storage software.

NexentaEdge’s scale-out storage architecture shifts the burden of compute-intensive workloads into the storage tier where they can take advantage of underlying Intel server technologies, like the Intel Xeon processor E5 2600 v4 product family, which supports containerized storage with more CPU cores and higher memory speeds. The Intel Xeon processor E5 2600 v4 product family provides up to 22 cores with top memory speeds of 2400 MT/s which significantly improves both single- and multi-threaded performance. NexentaEdge storage algorithms—such as deduplication, real-time compression, tiering, erasure coding, and encryption—benefit tremendously from the Intel Xeon processor E5 2600 v4 product family because of its higher level of parallelism and performance on large data sets. The Intel Xeon processor E5 2600 v4 product family provides high-bandwidth, low-latency access to memory and enhanced power management features for high performance with low power consumption. The net result is a reduction in disk space—and the need for drives and physical assets—in the datacenter, improving your datacenter operational efficiencies.

From a software configuration perspective, NexentaEdge leverages Linux containers (Docker) to simplify deployments and configuration. Depending on your needs, you might choose to:

  • Connect containers into your existing environments, providing the containers access to existing network-attached shared storage using NFS or iSCSI, and potentially leveraging ClusterHQ Flocker volume plug-ins for NexentaEdge.
  • Connect iSCSI-based block storage to the container hypervisor for persistent storage when the infrastructure has separate compute and storage servers.
  • Run containers alongside containerized NexentaEdge storage microservices on the same Linux servers. NexentaEdge storage microservices manage and pool the storage capacity across all nodes in the cluster and deliver low-latency, high-performance block services to application containers.

To deliver optimal performance for your containers, NexentaEdge leverages:

  • Intel Xeon processor E5 2600 v4 product family optimized instruction sets for high performance
  • Intel Xeon processor E5 and E3 families together with integrated Intel Data Direct I/O technologies to help remove bottlenecks, decrease latency, and increase data throughput
  • Intel SSD and Intel NVMe devices for write caching/acceleration
  • Intel 10GbE Ethernet cards, such as the X520 model or X540 model for networking.

To move your apps and scale them up to the cloud more easily, start building containers using NexentaEdge on the latest Intel architectures. Read more about Nexenta and Intel on our Intel Storage Builders Membership page., or click here to get your copy of our Solution Brief – Storage on Your Terms: Nexenta Software Defined Storage with Intel.

You can also find us on Intel’s The Data Stack – an IT Peer Network.

Questions from the Field: Hyperconvergence

March 23, 2016 By Nexenta

By Michael Letschin, Field CTO

Having the most complete portfolio of Software-Defined Storage solutions in the industry is something that Nexenta pride’s itself on, but with that comes questions about all sorts of other storage technologies when I am out talking with our customers and partners.  Their questions range from trying to understand the latest trends like enterprise containers to the impact of the Internet of  Things and augmented reality, but more often than not their questions are about how some of the newer datacenter technologies will help their business.  These technologies range from Software-Defined Networking to public cloud and of course hyperconverged solutions.  Sometimes we integrate very well, for instance with the VMware vCloud Air where we can run inside the public cloud and be a DR target for our existing customers, at a public cloud price point.  In other environments we have to explain that many solutions are not one size fits all.  Hyperconverged falls into that camp and George Crump, an analyst for Storage Switzerland, has a great write-up here – Is Hyperconverged worth the Hype? – on the pros and cons to that market.  I think a key takeaway is that if you’re looking at a new project or a new datacenter with fixed needs, then the simplicity of hyperconverged could be the answer; but if you are growing a datacenter or expect unpredictable growth there are some caveats: the inability to separate storage and compute as you grow can result in over-buying, and losing the benefits you get from virtualization and consolidation.  In those cases, the idea of a traditionally isolated compute and storage solution has real benefit.  Utilizing new technologies like Software-Defined Storage to give you the flexibility of choosing the right hardware for you when you need it gets the enterprise closer and closer to the dream of a next generation or Software-Defined Datacenter.

For more on hyperconverged, check out Is Hyperconverged worth the Hype? by George Crump at Storage Swiss.

Why is Fibre Channel resurging?

March 7, 2016 By Nexenta

By Michael Letschin, Field CTO

There was a time when Fibre Channel was the only solution for those looking for a high speed transport. But that is not the case anymore. The predominant storage protocol in many virtualization environments is NFS, primarily because virtualization administrators know that administering file-based datastores is much easier than those based on LUNs. In addition, advances in NFS and combining NFS with flash storage make the system’s performance ideal for hosting virtualized workloads.

But Nexenta is seeing a resurgence in customers expressing an interest in using NexentaStor’s Fibre Channel option. This is particularly interesting because, unlike other platforms, NexentaStor does not lock you into a particular protocol. Customers are free to choose NFS, SMB, Fibre Channel, or iSCSI. This means the only reason they would be using Fibre Channel is that it offers something that the other alternatives don’t – performance.

Performance is the main historical reason IT professionals prefer Fibre Channel over Ethernet; however, some may read that statement and disagree. Ethernet offers 40 Gb and Fibre Channel is only 16 Gb. If Ethernet has more bandwidth, how could Fibre Channel have better performance? The answer is bandwidth is not the primary performance consideration for some applications. If an application is looking for low latency, Fibre Channel will win over Ethernet almost every time. A look at the design of the two protocols will explain why.

Fibre Channel design assumes very short connections that are never longer than a Kilometer and usually much shorter. In contrast, Ethernet networks can stretch around the world. Due to this design difference, Fibre Channel can assume that all frames make it to the other side, where Ethernet assumes that many of them will not make it. This means Fibre Channel doesn’t have to do as much error checking and re-transmitting as Ethernet does. This translates into significantly lower latency numbers.

Another low latency device that is quite popular is Flash. Fibre Channel offers a better latency match to Flash than Ethernet does. Perhaps one has to look no further to see the reason behind this resurgence in Fibre Channel. If a customer has a latency-sensitive application, they are going to consider Flash as their storage medium. And if they are going to use Flash, they will want a low-latency protocol to communicate with their storage – and Fibre Channel meets the bill.

Whatever the reason for this particular resurgence in Fibre Channel, Nexenta’s solution allows customers to take advantage of whatever storage protocols they think are appropriate for their environment. And if they change their mind at a later date, they can start using a different protocol without changing their storage product. This is the flexibility of an open storage product like NexentaStor.

For additional information, read up on NexentaStor.

March Madness of Home Brews Community Contest

March 3, 2015 By Nexenta

They say it takes a village to raise a child and at Nexenta we believe that technology start-ups are similar to children.  The community has been a critical part of Nexenta’s success and we want to share the excitement that our community members have with the world.  To do this, we are kicking off monthly contests to show the growth, support and amazing intelligence of the Nexenta Community.

The first of these contests begins today with the March Madness of Home Brews!  We ask that you submit a brief description of your home storage kit, along with a picture.  After all, a picture is worth 1000 words.  To coincide with the NCAA men’s basketball tournament, we will create a bracket of the entries for the community to vote on until we narrow it down to the final four and a champion.

The final four will be sent a gift set of Nexenta swag along with being showcased as a featured build on the Nexenta Community website.  The winner will receive an even larger kit that includes a custom-branded Nexenta Basketball.

We are excited to see how creative you have all been.  Make sure to get your entry submitted no later than midnight PST on March 16th.  We will kick off voting on the 17th with the first round, just like the basketball tournament. Good luck!

To register, please click on the following link and fill out the form:

https://community.nexenta.com/community/nexentastor/march-madness-home-brew-contest

*Note: To win, you must be a registered member of the Nexenta Community.

Citrix and Nexenta Deliver Flexible and Cost-efficient Software-Defined Approach to VDI

January 15, 2015 By Nexenta

By Michael Letschin, Director of Product Management, Solutions

We had a great time at Citrix Summit 2015 and had a chance to talk to partners about our new converged infrastructure validated solution stack for VDI workloads using Citrix XenServer. XenDesktop and NexentaStor.

Available as an industry standard x86 architecture, this economically viable, converged and integrated solution is geared for small and mid-sized businesses that are looking to embrace and benefit from the security and efficiencies of desktop virtualization and Software-Defined Storage. NexentaStor brings dramatic economic benefits through substantially higher performance, lower cost per terabyte and a pre-integrated converged infrastructure stack based on Citrix XenDesktop MCS.

The solution starts at a minimal 4U of physical space and is able to present 355 desktops at full workload.  The Citrix XenDesktop and Nexenta converged architecture can easily scale to provide up to a 1000 desktops in only 6U, a 25% density improvement compared to EVO: RAIL. The solution minimizes storage latency with over a 98 percent cache hit ratio, giving the fastest possible end user experience.

Over the past few years, we’ve collaborated with Citrix to produce multiple cost-efficient, flexible and scalable infrastructures for customers to build and scale VDI workloads. NexentaStor has proven to deliver the best performance and value on hybrid or pure storage configurations, as part of the Citrix Ready VDI Capacity Validation Program. This is just another step in the collaboration.

“Citrix sees great value for customers from the integration of Citrix XenDesktop and NexentaStor,” said Calvin Hsu, vice president of product marketing, Desktop and Apps, Citrix. “The end result is that our existing customers and prospects will benefit from the flexibility and cost-effectiveness of this solution.”

Details of this solution can be obtained by downloading the Citrix Validated design reference architecture.

Additional Resources: Nexenta Delivers a Converged Infrastructure Citrix Ready Validated Solution Stack

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