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Software-defined data center

How Backend Storage Impacts the Cloud

July 25, 2017 By cnadams7

We all know that there are a variety of factors that impact application performance running on cloud infrastructure, such as network latency and bandwidth, server compute power and, one that is often overlooked, storage. Service providers need strong storage solutions supporting their infrastructure so they can differentiate themselves in this increasingly competitive space, while providing superior service and performance to their end users.

WebSupport, a leading European Cloud Service Provider supports thousands of customers, all requiring differing levels of performance and reliability. WebSupport needed to achieve specific performance metrics with their storage in a cost-effective manner. To solve their dilemma, they deployed an all-flash NexentaStor system that exceeds their performance requirements of 600K read IOPS and 300K write IOPS. Utilizing the advanced caching built into our filesystem, WebSupport is able to deliver 1.2M read IOPS. In addition, NexentaStor’s data reduction reduces their disk space capacity by 40%, providing additional cost-savings for their business.

Earlier this year, WebSupport ran their VPS performance benchmark test against some top regional and global Cloud Service Provider competitors in the market today. To learn more about the results of the testing and to get an in-depth analysis of their findings, read their Benchmarking White Paper here.

Declare Your Independence From Legacy Storage

June 29, 2017 By cnadams7

Independence: [in-di-pen-duh ns], noun

Freedom from the control, influence, support, aid, or the like, of others.

Today’s enterprise IT administrators are looking to declare their independence from the legacy vendors that have dominated the technology landscape for decades. This freedom has manifested in the form of software-defined solutions.

[Read more…] about Declare Your Independence From Legacy Storage

How to Get More from All-Flash Using Software Defined Storage

May 15, 2017 By Nexenta

By: George Crump, Storage Swiss

Flash often makes the hardware selection less important, but makes the software selection very important. The right software can not only ensure optimal flash performance, but also extend flash implementation beyond the typical high-transaction database use cases and into modern apps and big data analytics. It is critical though that IT professionals make sure software defined storage solutions (SDS) include core enterprise features that they have come to count on.

Why is Storage Hardware Less Important?

Storage systems used to be full of proprietary hardware so they could extract every last drop of performance from the array. These custom chips were used because CPUs were relatively slow, software was cumbersome to create and maintain, and rotational hard disks were highly latent. Times have changed. CPU processing power is almost too plentiful, software development is much easier to start and continuously maintain, and most importantly, flash media has almost no latency when comparing the alternatives.

[Read more…] about How to Get More from All-Flash Using Software Defined Storage

A Turnkey Storage Architecture for OpenStack and Docker

December 1, 2016 By Nexenta

By George Crump, Storage Swiss

Click here to learn from George and the team about the Scale-Out All-Flash Solution with Nexenta, Micron and Supermicro…

Is DevOps changing storage from simple to API?

October 14, 2016 By mletschin

“Storage should be easy. It should be that anyone can manage it, it’s something you put in the closet and forget about.”

This was the mantra of storage vendors over the last 10-15 years. We saw vendors like EqualLogic make a dent and then get acquired after selling on simplicity. Then, EMC announced the VNXe and invited a third-grader to come onstage and configure it.

This worked well when selling into the small to medium business space, and many companies jumped on the bandwagon, but is it the future? As we see cross-cloud integration like VMware announced at VMworld, and the rise of containers into the enterprise, is simplicity really the key selling point?

I would argue it is not. The new paradigm is another one of the buzzwords of the past few years: DevOps.

If you are like most people in the market, you are still trying to figure out exactly what DevOps means. Do you need to have programmers on staff even though you sell insurance or auto parts? You don’t. In fact, you just need staffers that understand the underlying concepts.

The most general definition I have found was on Wikipedia: “A movement or practice that emphasizes the collaboration and communication of both software developers and other information-technology (IT) professionals while automating the process of software delivery and infrastructure changes.”

For this purpose, think about the integration you need as you move from an isolated enterprise to one that works with SaaS tools and newly developed applications. There is a glue that holds all these components together and allows us to achieve tight integration — that is the API.

“API” can be a scary term for many SysAdmins, since they are used to a GUI that lets them manage everything (back to the third-grader deploying storage). However, it does not need to be scary anymore, since more companies are making it easier than ever to work with an API.

The Open API Initiative (OAI) has influenced vendors to keep APIs more consistent and simpler for everyone. Combining the REST APIs with something like Swagger UI tool gives the general admin a simple representation of what an API can do. Swagger even provides a public-facing demo, “Swagger Petstore,” so that any administrator can understand how easy an API can be to use.

Most of the newer storage companies, and specifically those touting “software-defined,” utilize something like the Swagger UI as a web interface to clearly detail exactly what you need to put in a script to make the storage do what you want.

Take the Petstore example: When you use the “Try It Out” under the store inventory, it produces a new command to run

curl -X GET –header ‘Accept: application/json’ ‘http://petstore.swagger.io/v2/store/inventory’

No longer is a developer needed; you simply go to a website and cut and paste into the script. This impact can be felt throughout the data center.

This shift to a simplistic API, and even more importantly a simplistic and powerful interface to those APIs, can be used by enterprises to change the way the SysAdmins of today work. This will not eliminate the need for vendors to make simple, easy-to-navigate graphical interfaces, but it will give the freedom and flexibility that is needed as enterprises move more and more into the software-defined data center.

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