Analyst Blog: What are Converged Infrastructures? Part 1 – Hardware Convergence

Good post by George Crump (thank you)

Every so often it makes sense to take a step back and attempt to define the terms that we in the industry use to describe the approaches we take to solving customer problems. One of those is “converged architectures”. When defining anything in the IT industry you have to strike a balance to make sure that the definition is specific enough to be useful, but not so detailed that it becomes a product definition instead of a category definition.

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Recalculating Odds of RAID5 URE Failure

Good Post by Matt Simmons (thank you)

Alright, my normal RAID-5 caveats stand here. Pretty much every RAID level other than 0 is better than a single parity RAID, until RAID goes away. If you care about your data and speed, go with RAID-10. If you’re cheap, go with RAID-6. If you’re cheap and you’re on antique hardware, or if you just like arguing about bits, keep reading about RAID-5.

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1200 Virtual Desktops in 3-node All-Flash Virtual SAN (VSAN)

Post by Biswapati Bhattacharjee (thank you)

As 2015 approaches, I wanted to conclude my last blog of this year by discussing our latest all-flash Virtual SAN (VSAN) testing. and to share some of our plans for next year for VSAN and other areas of virtualization.

Before getting into the results of our latest testing, I want to point to several of my personal highlights from this past year:

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How to Delete VSAN Datastore – Lab Time

Post by Vladan Seget (thank you)

In case like me, you are testing other software solutions in a lab, then you need to destroy stuff to re-claim your hardware for something else. Previously I setup a VSAN cluster in my lab. Now when done, I tested VSAN for some time, I wanted to move on and test something else. So I wanted to simply delete my VSAN datastore to have the DAS storage available.

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Oracle Real Application Clusters (RAC) on Extended Distance Clusters with EMC VPLEX Metro Best Practices Planning


Good planning document from EMC (thank you)

This white paper describes EMC VPLEX features that are functionality relevant
to Oracle Real Apllication Clusters (RAC) and Database. The best practices for
configuring extended Oracle RAC to optimally leverage EMC VPLEX Metro
are also presented.

Get the document here

The 10 Coolest Flash Storage And SSD Products Of 2014

Post by Joseph F. Kovar (thank you)

NetApp’s new FlashRay all-flash array, which was finally delivered after nearly a year of delay, is the company’s first to be designed specifically as an all-flash array. As such, it is the only one so designed by one of the major legacy storage vendors.

Available as a single 11-TB node with a single controller and 16-Gbps Fiber Channel connectivity, FlashRay features a latency of under 0.5 milliseconds. It also features always-on, in-line de-duplication and compression with variable-length block input, as well as always-on thin provisioning. It is initially available with low-cost consumer-grade flash memory, but other technologies are slated to be used as well.

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Disk storage market shows strong growth in Q3

Post by Michael Kan (thank you)

Disk storage sales grew more strongly in the third quarter, helped by sales of non-branded storage gear sold directly to datacenters.

Third-quarter disk storage sales jumped 5.1 percent year over year, reaching $8.8 billion, according to research firm IDC. This was a change from the anemic growth the market saw earlier this year, brought on by falling demand in mature markets.

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NetApp Integrated EVO: RAIL – A Triumph of Marketing Over Common Sense

Good post by Chris M Evans (thank you)

I suspect I wasn’t the only one last week who was scratching his head at the latest idea from NetApp which sees them offering a VMware EVO: RAIL solution that incorporates Data ONTAP filer technology.  In case that last statement is unclear to you, yes, NetApp are suggesting that EVO: RAIL, the solution that uses VSAN and commodity disk to specifically remove the need for a dedicated shared storage array, actually should be packaged with one.

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Synology DiskStation DS1515+ Review

Post by Tucker Mindrum (thank you)

Synology’s new DiskStation DS1515+ is a 5-bay NAS that houses up to 30TB of raw storage, a quad-core 2.4GHz CPU, and up to 6GB RAM (with upgrade). It was designed for demanding use-cases and serves reported transfer speeds of 450MB/s and 396.5MB/s (read and write, respectively). Like many of Synology’s offerings, it also prioritizes security, providing AES-NI encryption with very little decrease in read speeds, in addition to a suite of other features. Each DS1515+ server is scalable up to 90TB (with two Synology DX513 expansion units), and multiple DiskStation servers can be consolidated through Synology’s Central Management System (CMS) for enhanced administrative efficiency. Account integration is easily done thanks to support for Windows AD, LDAP, and Domain Trust.

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Microsoft Sheds Light on Azure’s Storage Growing Pains

Post by David Davis (thank you)

Microsoft, like other cloud providers before it, has faced some growing pains on its Azure platform.  On November 19, Azure customers began experiencing performance and availability issues on the platform.  Virtual machines, websites, and Visual Studio Online were among the impacted services.

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