The discussion on Storage Spaces Direct (S2D) seems to have generated a lot of interest and a lot of defensive posts. These posts seem to think that what has been written is either wrong or misinformation. Actually, the issue is poor communication on Microsoft’s part. However, what’s subsequently been said has left more questions than… Read more »
Can this article on The Register be true? Has Microsoft removed Storage Spaces Direct from the latest Windows Server build? To be honest I’d initially not given this article much thought until I decided to have a look at the latest Windows Server build myself. I was interested to find that I can’t actually download… Read more »
It appears we’re reaching a consensus that persistent storage is needed for containers. Despite early resistance, with an assumption that containers and their data should be transient, the logic of data persistence is starting to take hold. To be honest it simply makes sense. Yes, I could keep my data in sync between multiple nodes… Read more »
I recently met up with the CEO of Violin Systems, Ebrahim Abbasi, for a chat about the industry and the future of the company. Those who knew Violin Memory will be familiar with this company as it is essentially the assets and IP of the failed Violin, acquired by the Soros Group and relaunched as… Read more »
Another day goes by and we have another story about hard drive technology. Yesterday, Western Digital held a media event (I wasn’t invited) to announce MAMR, the latest technology for improving hard drive density. MAMR stands for Microwave Assisted Magnetic Recording and is a process to increase the stability of recording with very small grain… Read more »
The idea of improving the performance of applications through the use of parallel computing isn’t a new concept. Look back 50 years and we can see that Amdahl’s Law shows how to predict the performance improvement that can be achieved by using multiple processors. You can find details of Amdahl’s Law on Wikipedia, but essentially… Read more »
This week we’ve seen the announcement of 14TB 3.5” hard drives from one vendor and 12TB from another. It’s hard to imagine the concept of 14TB in a single hard drive when ten years ago we were looking at only 1TB devices. However, these devices have a problem. The throughput and latency has remained relatively… Read more »
One of the big announcements coming out of NetApp Insight in Las Vegas is the release of Microsoft Azure Enterprise NFS Service using Data ONTAP technology. The idea that a cloud hyperscaler could use a mainstream technology for storage instead of building their own is unique enough, but the more interesting scenario is the ability… Read more »
Hyper-converged infrastructure is a great technology for running a range of mixed workloads. With HCI how do you manage DR? Typically the standard solution might be to run up another cluster in a separate data centre and run both 50% active/active or have one purely for standby. What about running in the public cloud? With… Read more »
Over the last few weeks, I’ve talked a lot about data mobility and exactly how we should get data into the public cloud from on-premises locations. You can find links to the posts at the end of this blog entry. Much of what I’ve talked about revolves around moving data in a relatively static way,… Read more »
TECHunplugged Returns to London!
Following on from the success of the first US-based event in Austin earlier this year, TECHunplugged returns to the UK for a second conference on 12 May 2016. The one-day event continues to be free for valid end users with seven influencers as well as seven sponsors presenting, including, Veeam, Load DynamiX, HGST and Cohesity. A full agenda… Read more »
Nimble Joins the All-Flash “Me Too” Club
This week Nimble Storage announced an all-flash array in a series of events around the globe that were based on presentations at the main event in San Francisco. Many bloggers were flown in specially from around the world, to help get the all-flash message out. Nimble has been a long-time provider of hybrid storage solutions… Read more »
Will NetApp Build A Hyper-Converged Appliance?
The market for hyper-convergence seems to know no bounds as more and more vendors move into this segment of IT. Last week EMC released their rebranding of the failed VSPEX BLUE platform as VxRAIL with EMC supplied hardware and VMware software. Looking across the market we have the two leaders (Nutanix and SimpliVity) offering hardware… Read more »
Object Storage: Standardising on the S3 API
This post is the first of a series of independently written technical briefings on the AWS S3 API and how it has become the de-facto standard for object stores. The series is commissioned by Cloudian Inc. For more information on Cloudian and the company’s HyperStore object storage technology, please visit their site at: http://www.cloudian.com/ The… Read more »
More Thoughts on Storage Performance – Measuring with Load DynamiX
In a previous post, I wrote about how improvements in storage performance have been achieved through changes to software. Vendors like DataCore and Nutanix have implemented significant improvements that are in some cases quite remarkable. As the storage market diverges into dozen’s of vendor platforms, how can end users validate the claims vendors are making? Verifying vendor… Read more »
Fixing Storage Performance with Software
This week I’ve had two interesting briefings that talked about significant storage performance improvements which have been achieved through storage updates. The first was from DataCore, a long time storage virtualisation company that has been in the industry for 20 years. The second was from Nutanix, which released a series of updates as part of AOS 4.6… Read more »
VSAN 6.2 – Is it RAID or Erasure Coding?
Update: The day after this post was released, VMware issued a clarification post on the Virtual Blocks website. The post pretty much summarises what is written here, with a little more detail, although it doesn’t look like erasure coding in VSAN will be extended past the 3+1 and 4+2 schemes. You can find the post… Read more »
Bi-Modal IT – A Double-Edged Sword?
Today’s business world necessitates that IT organisations deliver to an agenda of agility and flexibility. The business demands that the IT function adopts and embraces new technologies, with a speed that makes the process challenging for all but the most effective CIOs. One approach to meeting these demanding business requirements is that of Bimodal IT…. Read more »
Hyper-convergence and Private Cloud
Hyper-convergence has been one of the biggest IT trends of the last 24 months, with start-ups and existing technology vendors offering a suite of hardware and software solutions. Many have conflated hyper-convergence and private cloud to mean one way of deploying and managing IT infrastructure and applications. Although there are many similarities between the two… Read more »