Writing in April

April is already over, that is a bit hard to believe yet I know why it has passed so fast. It was a very busy month. I spent the first week in Houston with HPE. We ran the first vBrownBag Build Day with their HC380 hyperconverged platform. We showed you the end user customer experience of deploying the HC380 and migrating an existing workload onto the platform.

On TechTarget, I had a huge amount published. I wrote about the need for operations teams to understand container technologies. I also wrote a procedural article about deploying your first vSphere Integrated Containers environment.

And shared some thoughts on what the AWS S3 issues mean for DR products that use cloud services. As well as considering how using DRaaS may have unexpected costs if you haven’t considered some consequences of using this model.

I also looked some more at policy-based management, which I think will be a standard practice in a few years.

The Buyer’s Guide to VDI Management and Monitoring is being published, articles on what features to expect and how to evaluate products. I also wrote about the complexity of upgrading a VDI environment.

A new and fun format was a quick guide to setting up a basic lab for learning DevOps tools and methods. I will be interested to see how often my GitHub repo gets cloned by people following along.

Over on TVP, I wrote about the different way that hyperscalers operate compared to Enterprise IT. I also expanded on my thoughts about serverless on-premises, it really is only one aspect of developer enablement and not sufficient by itself. Another thought that I have had for a while is that the biggest benefits of Hyperconverged aren’t really from clustering local storage inside hypervisor hosts. The real benefits of HCI can often be had without using an HCI product. This article is about the physical aspects, the next one will be about the policy-based management that I am so keen on.

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Vendor Briefing Pivot3

I like it when businesses deliver what they say they will deliver. When I talked to Pivot3 last year they had just integrated the NexGen storage with their vStack HCI product. Their plan was to take the hybrid flash and storage QoS goodness out of NexGen and build it into the HCI. This week they delivered a new HCI called Acuity and new node types (X5) that have just that. The new nodes are available in all-flash or hybrid configurations. Either type can have NVMe flash as an accelerator and come in a variety of storage and compute capacities. These new nodes run the Acuity HCI platform which has the same storage QoS policies we saw from NexGen. The combination of NVMe and QoS allow higher VM densities without compromising performance for high priority VMs. Customers who liked Pivot3 as a point solution will now be able to adopt it as a general-purpose virtualization platform. Even for tier-1 applications that need storage performance guarantees. Pivot3 has come a very long way from their origins with storing video surveillance files.

One thing I find very interesting is the rediscovery that extreme storage performance can unlock VM density. Pivot3 are talking about 2-3 time the VM density. VMs spend less time waiting for IO to complete, so applications respond faster. Also, that guest VM swapping doesn’t cause application performance to suffer as much when the storage is faster. Putting NVMe flash under a bunch of VMs is like putting an SSD in your laptop, everything just feels better. I will be very interested in what happens when solid state storage moves to the RAM bus. Storage class memory can be two orders of magnitude faster than NVMe flash.

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Vendor Briefing: Cohesity

This month Cohesity had a double announcement, a fresh round of funding and a new release of their platform. The funding is round C and at US$90M more than doubles their total funding. One interesting aspect is having HP Pathfinder & Cisco Investments join for this round. The other aspect is that it has been two years since the last round of funding, suggesting that the cash burn rate isn’t too high. OK, enough about the funding, what is new with the product? First off there are new capabilities. Cohesity is not just about backup, an S3 object storage option adds to the existing NFS and SMB file server capability. The file server gets quotas and the ability to have a WORM (Write Once, Read Many) configuration where files are immutable. The underlying storage system now has erasure coding for more space efficiency. There are 2+1 and 5+2 schemes for erasure coding, both yield more usable space. The 5+2 scheme will tolerate two concurrent failures, such as a drive failure while you are rebuilding from a node failure. Another welcome feature is RBAC. Either local accounts or your Active Directory is used for authentication. There are built-in roles and you can create your own, then assign roles on objects for users or groups. There are two features that are all about backup. One is the ability to backup NAS devices, initially NetApp filers. The second is the ability to assign a protection policy to a vCenter folder or tag. Then any VM in the folder or with the tag will get the protection policy applied. I like inheriting protection from vCenter inventory, it is one less thing to need to manage.

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March Writing

There is often a lag between me submitting articles for publication and the time they arrive on the website. There wasn’t a lot to report on February’s publications but I was very busy writing. This month a few of those came out on TechTarget.

I took a look at when it makes sense to use VDI to deploy new applications, and when you should install them on the user’s device.

I have just started writing for SearchDataBackup and had a few thoughts about security considerations for cloud backups. In many ways, I view cloud security as largely an extension of your normal security policy. Often cloud solutions are used without so much thought.

Continuing my writings about VMware’s open source strategy I took a look at the Senlin cluster management project and what it means to have VMware Integrated OpenStack support Senlin.

I’m writing a VDI Monitoring and Management buyer’s guide for SearchVirtualDesktop. The guide comes out as a series of segments, the first one published is about what VDI monitoring and management means. There will be another four parts to the series over the coming months.

The final article on TechTarget was a SearchDataBackup article about hyperconverged inspired backup, a look at what Cohesity and Rubrik have to offer. I was glad that I had seen both at TechField Day and had briefings from both as they progressed product development.

Over on the Virtualization Practise, I took a contrarian view of the availability of cloud services, suggesting that failure is often a viable business decision.

I have also been thinking about the changed Microsoft. We can all agree that Microsoft has done a lot of things in the last two years that would have been inconceivable five years ago. I think that the key reason is that they are fully committed to Azure as the future of the company.

Another grumpy old man post is about the fad of saying that every company needs to be a software company. The statement annoys me, software is a tool of the business, any like any tool will be used where it is valuable.

Finally, for March, I keep thinking about what the future of IT looks like and whether Hyperconverged is the future or just a phase along the way. I am inclined to think that HCI vendors will keep adding capabilities that eat away at IT administration tasks.

April is going to be another very busy month. Tomorrow I’m flying out to Houston to spend a week with HPE. We are going to create the first vBrownBag Build Day. The aim is to show you the process of deploying a product, in this case the HC380 Hyperconverged platform, as if you were doing the job yourself. The concept stems from my experience of working at an integrator and being sent to deploy products with minimal training on the product. We will be showing the process and covering the product architecture and its context in your datacenter. I also think that education is an important part of the sales process, technical staff want to understand products before the agree to deploy.

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Vendor Briefing – Runecast

I have written (ranted) before about how I like management tools that are focused on helping me do my job, rather than showing me how much data they gather. I get the feeling that the team at Runecast have the same desire for management tools. I know they built the tool that they wanted in their previous life looking after a lot of production vSphere

The basic premise for Runecast is simple. Most vSphere problems are caused by issues that are already known. The issues are usually documented in the VMware knowledgebase. Usually, the KB has a resolution or mitigation recommendation. If customers knew every KB and checked their environment for every issue, then there would be less unplanned downtime. What is needed is a tool that automatically does the analysis. Enter Runecast.

The little virtual appliance connects to your vCenter and receives logs from your ESXi servers. The appliance then analyses the configuration and log data to see whether there are any known issues. Along with the VMware Knowledgebase, the appliance also knows the security hardening guides and best practices around vSphere configuration. A dashboard displays any latent issues and contains information about the remediation actions. Log scanning happens in real time and configurations on a periodic scan basis, with a configurable schedule. All analysis is completed on-premises, within the appliance. The appliance will need to be updated as VMware release new and updated KB articles. Updates can be scheduled, or manually initiated. Updates can even be downloaded and brought to a dark site for secured vSphere deployments.

I’m very impressed with Runecast. With very little effort you can be advised of latent issues in your environment and able to prevent downtime, rather than respond to failures. There is a free trial, so you can see how you stand today and prove out the value Runecast brings. It looks very easy to deploy and start using. They also have some great plans for future development.

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Mobile Home vSphere Lab?

The most interesting prize at the Australian VMUG UserCons last week was from QNAP. They gave away a portable NAS that contains a 5 port gigabit switch and also runs VMs. The TBS-453A NASbook seems like it would be right at home in a mobile vSphere lab. It has iSCSI and NFS, as well as a heap of other storage and network protocols. The device looks more like a Wi-Fi router than a NAS as it uses M.2 SSDs for storage, no space for spinning disks.

I’ve been building my portable lab to take to Houston with me for next week’s vBrownBag Build Day which is dedicated to HPE’s HC380. My portable lab is a couple of NUCs and a Cisco switch. The big limitation is that I don’t have shared storage, just the storage inside one of the NUCs, for VMs. The second NUC is a management workstation. If I had a NASbook then it would replace the Cisco switch and the management workstation. I would be very interested to see whether it could also run the vCenter server and maybe a domain controller. Then the NAS could be a tiny management cluster all by itself and the two NUCs could be my workload cluster. Unfortunately, I don’t think the 8GB RAM would be quite up to the job.

The downside is that by the time you add four M.2 SSDs to the NAS the cost climbs. With four Crucial 525GB SSDs and the 8GB NASbook it looks like the total price would be US$1,200 from Amazon.

Food for thought as I’m considering an air-mobile lab.

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Chat with @RebeccaFitzhugh at #TFD13

The second interview that I recorded at the start of February (ages ago, so slack of me) was with Rebecca. I first met Rebecca at VMworld EMEA last year, shortly after she had achieved her VCDX. Rebecca travels a lot, we met up at TFD13 in Austin and I spent some of last week with her at the Australian VMUG UserConferences in Sydney and Melbourne.

We had a chat about mentorship in your career development.

We were in the lobby of the Hilton Austin airport, just as someone was moving a serving trolleys across the lobby.

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February Writing

February is the height of summer in New Zealand. We have had weeks of daytime highs hitting 80F (27C), and 90% humidity overnight. My Raspberry Pi with a temperature and humidity sensor shows a consistent pattern. With no air conditioning in our house, it is perfect weather for an afternoon siesta. Despite this, I managed to write a few articles here on my personal blog. I have also been getting some briefings from VDI monitoring vendors for an upcoming buyer’s guide on TechTarget.

Speaking of TechTarget, I took a look at some of the things you should do to prepare your environment after you decide to deploy a hyperconverged infrastructure.

I also wrote about seeing the Toshiba mobile zero clients. This was really a chance encounter at VMworl EMEA just as the solutions exchange was being shut down. The two guys from Toshiba were surprised to find someone who got excited about mobile zero clients and walked me through the product. The Toshiba website is very sparse on these products, probably because the market is very small.

Over on the Virtualization Practice, I commented on the trend that IoT is driving IT back on-premises as well as to the cloud. I have some thoughts about the kind of physical devices I think this will be, maybe I’ll write about that this month. On a related topic I looked at the possibility of having a serverless platform on premises, rather than the assumption that serverless means public cloud.

I did a bit of digging around alternative hypervisors and VDI and found that the only serious player is Nutanix, who need to have VDI integrated with their Acropolis hypervisor.

I also opened up on fake news, but not the kind that makes the headlines. I outlined where I see fake news in IT and the importance of understanding that bias is everywhere and everyone has an agenda to push (including me).

Looking forward into March, I will be at both the Sydney and Melbourne VMUG UserCons. We will be doing vBrownBag TechTalks as side tracks to both events and I am planning to do a few interviews with people I meet at the events. If you are at either then stop by and say Hi, I will be wearing a vBrownBag polo shirt and twirling my mustache.

 

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Vendor Briefing – Login VSI with Login PI

What is the end user experience of your VDI platform? Losing sight of the end user experience is a fundamental mistake in VDI. Yet it is surprising how few products monitor the user experience of accessing a desktop through VDI. Today I spent an hour learning about Login PI, from Login VSI. You may be familiar with Login VSI from the product that bears this name and from vendor VDI benchmarks. Login VSI measures the responsiveness of a VDI platform with a controlled desktop count and a consistent real-world workload inside each desktop. They drive real applications inside the VDI desktop and measure the response time of those applications. For benchmarking, Login VSI drives a large number of desktops with a consistent workload. It helps to identify the maximum number of desktops that can be supported at an acceptable response time. This is great to identify the capacity of a platform or the impact of a change, before it is committed to thousands of live users.

What I saw today was Login Pi, which is a monitoring product rather than a benchmarking product. It launches a connection to a single desktop, inside a production desktop pool alongside production users. The single desktop runs through a sequence of application functions and reports the response times. These test desktop connections can be launched from multiple remote sites. Usually from each site where your users reside and to multiple desktop pools. Each session reports back the connection success, network bandwidth, and application response times. The reports go to a central monitoring console where a rolled-up view of the user experience is shown. Right now, the dashboard is fairly simple, it will tell you overall health and let you identify problem clusters, sites or datacenters. I really like the simple and clean dashboard, not overloaded with data. Login Pi will help VDI administrators identify the scope and location of VDI user performance issues. When a user or group of users complain of slow performance, Login PI will help identify whether it is a network issue or a datacenter issue. There are displays to help identify whether it is the WAN to one site or the network inside one data center. The application response time information will highlight data center issues distinctly from network issues. This is not something that end users understand when they report a slow desktop. You may realize that I really like Login Pi. I loved concept when the product was launched a little over a year ago and I like what they are doing to develop it further.

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An Interview with Josh @EuroBrew at #TFD13

I sat down for a few minutes with Josh De Jong while we were both at Tech Field Day 13. We only managed to grab a few minutes before we had to rejoin the TFD train. That is the way TFD events run, they are very packed and it is hard to snatch a few minutes away. There is also the fear that you can miss out on the funniest and most interesting conversation if you find a quiet place to record, so we were in the awesome SolarWinds training room for the recording.

I did manage to find a few minutes to record with another delegate. Hopefully, I’ll get that posted soon.

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