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Change multicast address when running multiple vSAN clusters in same VLAN

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Advertise here with BSA


Before vSAN 6.6 we would always recommend to change the multicast address when running multiple vSAN clusters in the same VLAN. Now that with vSAN 6.6 we removed multicast, does this best practice/recommendation still apply? I went looking for a clear statement but couldn’t find any, until Cormac pointed me to the excellent vSAN Networking Guide he wrote together with Paudie. After reading the table a couple of times, this is what I would consider to be the new best practice/recommendation:

If you run a vSAN6.6 cluster with on-disk format v5.0 then there’s no need to change the multicast address when you have multiple clusters in the same VLAN as there’s no chance older host can be introduced in to the cluster as they will be partitioned instantly.

If you run a vSAN 6.6 cluster with on-disk format pre v5.0 then it is recommend to change the multicast address when you have multiple clusters in the same VLAN as when older hosts are added the cluster switches back to multicast mode. Although this could be considered an “operational consideration”, to avoid problems we would recommend changing the multicast address.

We also stated in the past that you could give each vSAN cluster a different VLAN for the vSAN network, the same applies. You can use a single VLAN for multi clusters, as long as those clusters are vSAN 6.6 and running on-disk format v5.0.

I hope that helps.

"Change multicast address when running multiple vSAN clusters in same VLAN" originally appeared on Yellow-Bricks.com. Follow me on twitter - @DuncanYB.


Schneider Electric i Microsoft pomogą wykorzystać moc IoT

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Schneider Electric poinformował, że dzięki strategicznej współpracy z Microsoft, wniesie do przedsiębiorstw i organizacji z wielu branż znaczne korzyści. Od teraz w ramach architektury EcoStruxure firmy Schneider klienci mają dostęp do wielu aplikacji działających w chmurze, które wykorzystują pełny zakres możliwości chmury Azure oraz funkcje nowej generacji, takie jak rzeczywistość rozszerzona i wirtualna (mixed reality). Ułatwia im to zwiększenie wydajności i produktywności oraz usprawni procesy podejmowania decyzji.

Virtustream Launches Healthcare Cloud

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Virtustream , the enterprise-class cloud company and a Dell Technologies business, today announced the launch of the Virtustream Healthcare Cloud.... Read more at VMblog.com.

OpenStack Live: Progressive Demos Show How Composable Open Infrastructure Accelerates Innovation

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In a progressive series of live demonstrations at the OpenStack Summit Boston , global IT leaders in the OpenStack ecosystem showed off powerful... Read more at VMblog.com.

DriveScale Partners with World Wide Technology to Deliver Software-Defined Infrastructure for Hadoop and Big Data

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DriveScale , the leader in delivering Software-Defined Infrastructure (SDI) for modern workloads, today announced a new partnership with World Wide... Read more at VMblog.com.

Kaseya Acquires Industry-Leading Cloud Management Solution; Launches Unigma Cloud Management Suite

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Kaseya , the leading provider of complete IT management solutions for managed service providers (MSPs) and mid-market enterprises, today announced... Read more at VMblog.com.

Converting Availability Set Virtual Machines to Azure Managed Disks

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In this post, I will explain the benefits of using Azure Managed Disks with availability sets. I will also show how to convert virtual machines in an availability set with unmanaged disks to Managed Disks. These will respect the protection offered by the availability set.

 

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Availability Sets

Azure uses availability sets for virtual machines in a few ways:

  • Fault domains: Virtual machines in a common availability set are spread across fault domains. This means that if there is an unplanned localized outage, such as a top-of-rack (ToR) switch failure, the other virtual machines in the availability set are unaffected. A scenario might be, the service offered by a set of load-balanced web servers survives the outage because the remaining web servers pick up the load of the down machine.
  • Update domains: Microsoft patches the Hyper-V hosts used by Azure several times per year. They use a rolling upgrade. Hosts have upgraded one update domain at a time. Virtual machines in a common availability set are spread out across multiple update domains. Imagine that you have two domain controllers. If Microsoft reboots a set of hosts because of host updates, then only one of your domain controllers will be offline. This is because of host reboots and the use of an availability set for the domain controllers.

An Illustration of Update Domains and Fault d=Domains in Azure [Image Credit: Microsoft]

Managed Disks

Availability sets sound like they give us ample protection but there was still a remaining single point of failure. The storage of the virtual machine disks was this point. It was possible for the virtual hard disks of virtual machines to be placed into a single Azure storage cluster. This cluster provides triple-redundancy of storage (LRS) to protect you against disk or JBOD (a tray of just-a-bunch-of-disks) failure and/or maintenance. It does not protect you against a certain outage profile. For example, a virtual machine availability set protects you against a localized outage within a fault domain. A similar style of outage in the Azure storage cluster could bring down all 3 copies of your virtual machinesrsquo; disks.

Managed Disks for virtual machines offer many benefits. This is quickly summarized as, “Azure just takes care of all the disk placement for you.” One of those benefits is that if you use Managed Disks with virtual machines in an availability set, then Azure will disperse the disks of the machines across different storage clusters within the data center. If one of the storage clusters fails, then the other copies of your disks remain online. Your service also remains online.

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Converting Availability Sets to Managed Disks

It is possible to convert an availability set of virtual machines from unmanaged disks to Azure Managed Disks. The process understands that you require the service in the availability set to remain online throughout the upgrade process. The upgrade is done one virtual machine at a time. I have added a sleep command after each upgrade. This will occur before the next upgrade starts to add a buffer. Alternatively, you can request manual confirmation that the process should continue after each virtual machine upgrades. This would allow you to check that the last virtual machine is OK before allowing the upgrade to take place for the next machine in the availability set.

The conversion process is done using PowerShell.Note that you should have the latest version of the PowerShell modules. At the time of writing (February 2017), you also need to have the very latest ARM Compute module but this will probably be folded into later bundled installations:

Install-Module AzureRM.Compute -RequiredVersion 2.6.0 -AllowClobber

The PowerShell script for doping the conversion of virtual machines in an availability set is shared below:

CLS$ResourceGroupName = "rg-petri"$AVSetName = "as-petri"$SubscriptionID = "1a2b3c45-aa12-1a23-12a3-a1bcdefg345h"$Delay = 60Login-AzureRmAccountSelect-AzureRmSubscription -SubscriptionId $SubscriptionIDWrite-Host "`nRetrieving the availability set, $AVSetName"$AVSet = Get-AzureRmAvailabilitySet -ResourceGroupName $ResourceGroupName -Name $avSetNameUpdate-AzureRmAvailabilitySet -AvailabilitySet $AVSet -Managedforeach($VMInstance in $ AVSet.VirtualMachinesReferences) { $VM = Get-AzureRmVM -ResourceGroupName $ResourceGroupName | Where-Object {$_.Id -eq $VMInstance.id}  $VMName = $VM.Name Write-Host "`nWorking on the virtual machine, $VMName" Stop-AzureRmVM -ResourceGroupName $ResourceGroupName -Name $VMName -Force Write-Host "`nConverting the disks of virtual machine, $VMName, and then starting it" ConvertTo-AzureRmVMManagedDisk -ResourceGroupName $ResourceGroupName -VMName $VMName Write-Host "`nSleeping for $Delay seconds before proceeding" Sleep $Delay #You can replace the previous two lines with the following to allow for a manual verification before proceeding #Read-Host "Press Enter/Return to continue to the next virtual machine" }

 

A few variables define the environment that will be upgraded:

  • ResourceGroupName: The name of the resource group that contains the availability set and virtual machines
  • AVSetName: The name of the availability set
  • SubscriptionID: The GUID of the subscription that contains the resources
  • Delay: How many seconds you want the script to wait between upgrading virtual machines

The first part of the script will request you to log into your Azure administrator account and then it will select the subscription that you defined in the SubscriptionID variable.

The AVSetName variable is used to retrieve the availability set resource and then the availability set is upgraded to a managed state. This supports the concept of Managed Disks. It instructs Azure to spread Managed Disks in the availability set across different storage clusters.

A for loop will then run and perform an upgrade on each virtual machine in the availability set. This will happen one at a time:

  1. The virtual machine is shut down to enable the upgrade.
  2. An upgrade command is run to convert the disks of the machine to Managed Disks. The process will automatically start up the virtual machine.
  3. A delay command pauses the script for the number of seconds stored in the Delay variable.
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Note that I added a line, commented out using #, that you can use instead of the Sleep cmdlet. Doing this would replace the timed delay with a manual control, which stops the script from running until you press enter. You can use this approach if you want to manually check a converted virtual machine before continuing.

The post Converting Availability Set Virtual Machines to Azure Managed Disks appeared first on Petri.

[VMware] vSAN Fault Domain에 대해서

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vSAN을 도입한 기업이 있다고 하죠.

스몰 스타트로서 3대의 ESXi 호스트로 vSAN을 구성했습니다. 구성후 이런저런 검증을 걸쳐 실환경의 도입이 결정되어 최종적으로는 수십대의 규모로 확장을 계획하고 있습니다. 호스트를 간단히 추가할 수 있으며 호스트가 늘면 늘수록 성능도 향상되는 vSAN의 특징처럼 별어려움없이 호스트를 추가되어져 복수의 서버랙에 걸쳐 vSAN이 확장되었습니다.  


여기서 질문입니다.

만약 vSAN을 구성하고 있는 서버랙중 하나가 전력 장애로 인해 수용된 호스트가 전부 다운되었습니다. 가상머신에는 어떤 영향이 있을까요? 


전력 장애가 발생한 서버랙안에 수용된 호스트에 모든 데이터가 저장되어있는 가상머신은 정지하게 되죠. (몰론 서버랙 전체에 장애가 발생하는 경우는 거의 없습니다. 특히나 데이터 센터라면 제로에 가깝습니다만, 이런 장애가 전혀 발생하지않는다는 보장도 없죠. 흐흐)


자아, 이렇게 복수의 서버랙에 걸쳐 vSAN을 구성하였을 경우, 이러한 장애에는 어떻게 대비하면 될까요?


간단합니다. 일부 서버랙에 데이터가 집중되지 않도록 할 수 서버랙 사이에 데이터를 분산 배치하면 됩니다. Fault Domain을 구성하면 되죠.


vSAN을 구성하고 있는 ESXi 호스트가 데이터 보호의 기본단위인 기본적(?)인 vSAN 클러스터에 비해 Fault Domain은 서버랙 단위로 데이터를 보호할 수 있습니다.


위의 그림처럼 FTT=1의 스토리지 정책의 경우 각 랙안의 호스트에 데이터를 저장하게 됩니다. 따라서 서버랙 하나에 장애가 발생하여 랙안의 호스트가 전부 다운되어도 가상머신이 정지하는 일은 없어집니다. 


Fault Domain도 개념자체는 기본적인 vSAN 구성과 동일합니다. FTT=1의 경우 최소 3 호스트가 필요하듯 Fault Domain의 경우는 최소 3 그룹이 필요합니다. 그룹별로 호스트수가 같을 필요는 없습니다.


간단하게 구성하는 방법을 소개하자면...


① vSAN 클러스터를 선택후, [구성] → [Virtual SAN] → [Fault Domain & Stretched Cluster]순으로 클릭, "Fault Domain 그룹"작성을 클릭합니다.


② 작성하고자 "Fault Domain 그룹"이름과 멤버로 등록할 호스트를 선택합니다.


③ 제 경우는 3개의 그룹을 작성하여 각각 2 호스트를 등록하였습니다. 이로써 Fault Domain은 끝입니다. 흐흐


④ 실제로 가상머신을 작성, 스토리지 정책을 확인해보면 컴포넌트와 위트니스가 각각 Fault Domain 그룹에 나뉘어져 있는 것을 확인할 수 있습니다.


이처럼 Fault Domain은 이미 운영중인 vSAN 클러스터에서도 서비스 정지없이 매우 간단히 구성을 할 수 있습니다. 그럼에도 불구하고 장애에 대한 대응 레벨을 서버랙 단위까지 확장하고 있으므로 vSAN 클러스터의 확장을 검토중이신 관리자분들은 Fault Domain도 함께 고려해보시길 바랍니다. :)












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RIP Harry Huskey

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On April 9, 2017, Harry Huskey died at the age of 101. Many of you will most likely be scratching your heads whilst reading this on your screen—either your phone or tablet, or maybe even your desktop device—and you will most likely be asking, rsquo;Who, and why should I care,…

Read More

RIP Harry Huskey|TVP Strategy

Premise vs. Premises: A Modest Proposal

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If you’ve ever listened to, or been involved in, a conversation about Cloud, you’re familiar with the idea that the infrastructure that runs any specific cloud can be either on-premises (local or private cloud), off-premises (remote or public cloud), or a combination of both (hybrid cloud).

If you’re familiar with that, then I feel safe predicting that you’realso familiar with the seemingly-eternal debate over whether the term is “premises”, “premise”, or if it actually matters. In this case, there is, in fact, only one correct answer.

In the rest of this article, I will:

  • Make the clear case for the correct answer
  • Explain why it does, in fact, matter
  • Discuss three approaches for handling this, including a proposed solution that, if adopted, would end the premises/premise confusion in cloud forever

The Answer

[NOTE: When I set out to write this article, I had originally planned on using the Oxford English Dictionary as my source, as it seems to be generally recognized as the leading authority among English language dictionaries.

Unfortunately, individual access to the Oxford English Dictionary online requires the purchase of a subscription that costs $295 annually, and would have made this the single most expensive blog post I’ve ever written.

So, instead, I’ll be using the Merriam-Webster Dictionary as my source.]

First, one needs to understand that English is a very confusing and difficult language. Almost every “rule” that the language has really ought to have “except when this doesn’t apply” clause appended to it…

For example, if one knew only the most basic rules of English, one would easily (and very logically) assume that the word “premises” is the plural form of the word “premise”, and, as such, would mean “more than one premise”.

However, that’s not the case. “premise” and “premises” are two differentwords. Not convinced? Let’s check our source:

premise:
a. A proposition antecedently supposed or proven as a basis of argument or inference; specifically: either of the first two propositions of a syllogism from which the conclusion is drawn.
b. Something assumed or taken for granted : presupposition.

premises:
a. A tract of land with the buildings thereon.
b. A building or part of a building usually with its appurtenances (such as grounds).

Put simply:

  • A premise is an idea.
  • A premises is a location.

With this in mind, it’s clear to see that when you’re trying to clarify whether cloud infrastructure is local or remote, you should be using the terms “on-premises” or “off-premises”.

The only time one should use the term “off-premise” to refer to cloud infrastructure is when one intends to imply that the infrastructure doesn’t even meet theidea of a cloud…

To echo a sentiment that a number of different people I respect have expressed in the past:

Words mean things.

Why It Matters

This is the point where some folks want to say something along the lines of:

You’re just being pedantic. Why does it matter as long as you know what the speaker/writer actually meant?

It’s hard to argue with these folks. By that I mean that it’s relatively easy to prove thecase for the correct answer, but it’s hard to convince them because they’ve either already accepted that at least some degree of sloppiness in communication is acceptable, or they’ve already decided that they don’t care what the answer is.

So you won’t think I’m atotal pedant, I’ll admit that there are circumstances where some degree of sloppiness in communication is acceptable. Examples include:

  • When the speaker is new to speaking English.
  • When it’s a rushed private conversation.
  • When the speaker is falling-down exhausted at the end of a long day of working hard to implement a cloud infrastructure solution in a data center.

However, there are more circumstances whereno degree of sloppiness in communication is acceptable whatsoever. Examples include:

  • When you’re proposing that a customer purchase an expensive cloud solution.
  • When you’re trying to convince a customer how careful your cloud solution will be with their mission-critical data and applications.
  • When there might be any sort of legal contract involved.
  • When you want to convince the listener(s) that you really do know what you’re talking about and that they’re in good hands.

In my experience, no one is ever sloppy or failing to pay attention to details in only one area of their life — it starts to sneak into other areas as well. If one consistently uses terminology incorrectly, the listener will — consciously or unconsciously — start to believe that the speaker maybe isn’t as knowledgable in this area as they seem to think they are.

If you’re still not convinced that allowingcommunication sloppiness is unacceptable, let me ask you the following two questions:

  • Is it acceptable to spell a customer’s name incorrectly on a multi-million dollar proposal?
  • Is it acceptable to provide a customer with a quote that has an extra zero accidentally added to the end of the total price? (Or accidentally leave a digit out of the total price?)

No, of course it isn’t. By developing a practice, and even a discipline of being accurate, it makes you more likely to avoid other mistakes. This is the converse to sloppiness sneaking from one area into others: In my experience, no one is ever only sure to bring a degree of considered accuracy to only one area of their life — it starts to sneak into other areas as well.

So, how can one handle this issue?

Approach 1: Just Get It Right

In theory, the simplest way to handle the “premise” vs. “premises” issue would be for everyone involved with cloud technologies to just always use the correct terms for the message they’re trying to convey.

To be specific:

  • If you mean to indicate that the hardware that a cloud runs on is installed in a local data center (e.g.: private cloud), refer to it as “on-premises”.
  • If you mean to indicate that the hardware that a cloud runs on is installed in a distant data center, perhaps one owned and managed by someone else (e.g.: public cloud), refer to it as “off-premises”.

But, of course, in practice this hasn’t worked. If it had, I wouldn’t be writing this piece…

Approach 2: The “Prem” Abomination

(I’m guessing the heading probably gives away my opinion on this one…)

They most common “workaround” for avoiding the “premise vs. premises” issue I’ve seen folks use is “prem”.

These folks will refer to cloud infrastructure as being either “on-prem” or “off-prem”.

I find this solution unacceptable for two reasons:

  1. Using “premise” when “premises” is the correct word comes across asaccidentallybeing sloppy. Using “prem” when “premises” is the correct word comes across asintentionally being sloppy.
  2. While, in fact, “prem” as an abbreviationis(much to my surprise) an actual recognized English word, it is not an abbreviation foreither premise or premises, but is instead one for premier or premium.

What I hear when someone uses “on-prem” and “off-prem” is that the speaker is either too lazy, or simply doesn’t care whether or not they get things right. Neither of those is something I’d want in a cloud provider.

Approach 3: End the Confusion Forever

I understand that you might be skeptical of a claim that there is an approach that could end both the confusion and the arguing forever. I’ll admit that it does sound too good to be true, so this approach comes with a caveat:

It will only work if enough of us adopt and adhere to it.

That said, as with many things, I believe that the solution can be found by taking a step back and making things simpler.

My proposal is as follows:

We all stop using the words “premise” and/or “premises” altogether, and instead use the word “site”.

Thus, private cloud would be known because its infrastructure is on-site.

Public cloud would be recognized because its infrastructure is off-site.

The advantages of this approach are as follows:

  • It’s simple, plain, clear English.
  • It has a near-zero chance of being misunderstood.
  • It has a near-zero change of sparking some sort of debate over its correctness.
  • The listener will know right away exactly what you mean.

Now, I know what some of you are thinking — if the solution is truly this simple and elegant, why hasn’t anyone stumbled upon it before? In fact, you might even be wondering why the simplicity and clarity of “on-site” and “off-site” weren’t universally adopted in the first place.

The honest answer here is: I don’t know.

My personal theory is that in the early days of cloud technology, back when folks were still struggling to find clear ways to explain what a cloud even was, someone somewhere decided that “site” was “too basic” and that a “fancier” term was somehow needed. And so, they came to settle upon “premises” instead, and there all our problems began.

Conclusion

Often, the simplest way is the best way. I believe this is very clearly one of those instances.

As such:

I do hereby solemnly swear that I will, from this moment forward, avoid the use of the words “premises” and/or “premise” in any discussion of cloud, and will instead use the terms “on-site” and “off-site” in both my written and spoken communications.

I urge all of you reading this to do the same. Together we can end the in-fighting and the endless debates. Together we can move on to more productive — and farmore interesting — conversations about cloud.

Together we can.

VMware AirWatch 9.1: Your Top 12 Questions Answered

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Our recent VMware AirWatch 9.1 webinar explored new capabilities introduced in our most recent release. Thank you to everyone who was able to join us for the live event. If you were not able to join live, check out the replay here. Due to time constraints, we did not get to all of your questions […]]> Our recent VMware AirWatch 9.1 webinar explored new capabilities introduced in our most recent release. Thank you to everyone who was able to join us for the live event. If you were not able to join live, check out the replay here.

Due to time constraints, we did not get to all of your questions during the live event. We compiled answers to the top 12 questions on the 9.1 release that we missed during the webinar on topics like:

  • Android Enterprise
  • Apple
  • Windows 10
  • VMware Boxer Productivity App

Did we missing the answer to your question? Add it to the comments below, and one of our amazing experts will provide the answer.

AirWatch 9.1 & Android

1. When opening a work app, can we set the Android passcode requirement to only exist if no device passcode is present? It would be nice to avoid a user having to enter an app passcode if they also have a passcode to unlock their device.

The Android operating system (OS) looks at the complexity of the passcode already on the device. If the device passcode set by the end user is of equal or greater complexity than the work security challenge, the end user is not asked to type in a work security challenge. If the device passcode does not meet the required complexity, Android prompts the end user for a passcode to access managed work apps. In other words, the user will have separate passcodes for the device and managed work apps.

2. What is the benefit of using Android work managed rather than the work profile? Do you have to touch each device to set up work managed?

Deploying a work-managed Android device creates a truly corporate device by removing any personal apps or data on the device. This gives the administrator the ability to manage the entire device. A device with a work profile will still have personal apps and data on the device. The admin can only manage the business apps and data.

With the latest enhancements, admins do not need to touch each device to make them work managed. End users can enter afw#airwatch when prompted for a Google account or scan a QR code to begin the onboarding process.

[Related: Bring Android to Work with the Latest Enhancements]

AirWatch 9.1 & Apple

3. Can AirWatch auto-update applications deployed via integration with Apple’s Volume Purchase Program (VPP)?

Yes. We enable automatic updates of VPP applications with device-based license assignments in the device-based method of the managed distribution process. Admins enable AirWatch to automatically query the Apple App Store for updates or manually push updates through the console.

4. Do you need an application to manage Apple TVs?

There is no AirWatch Agent or management application required to manage Apple TVs, but you can enroll tvOS 10.2 via the Apple Device Enrollment Program (DEP).

5. For DEP-enabled iOS devices, is there a way to silently publish the AirWatch Agent to be transparent to users’ devices? I would like to avoid users having to download the AirWatch Agent themselves.

Yes, the standard way to publish the AirWatch Agent to DEP devices is by purchasing the application through Apple VPP. Admins then enable the app in the AirWatch console for Device-Based Licensing. Finally, admins auto-assign the app to devices via an assignment group. This will deliver the AirWatch Agent to the device without the need for the user to have an Apple ID.

[Related: iOS 10.3, tvOS 10.2 & macOS 10.12.4 Are Live! VMware AirWatch Has Your Mobile Business Covered]

AirWatch 9.1 & Windows 10

6. Can I use AirWatch to remote wipe laptops running Windows 10?

Yes, you can use AirWatch to remote wipe a laptop device running Windows 10—on or off the corporate network.

7. Do the Windows patching features require VMware Workspace ONE?

Patch management is available in Workspace ONE standard, advanced and enterprise editions. Patching is also available for organizations with traditional AirWatch blue, green and orange suites.

8. Can you manage apps or have a custom store on Windows 10?

Yes, AirWatch provides application management capability across both Windows Store and native Win32 apps. With the Workspace ONE app catalog, admins provision users with a custom enterprise store for self-service and single sign-on (SSO) access to all work apps, including Windows Store, Win32, remote, SaaS and internal web apps.

[Related: Whatrsquo;s New for Windows 10 Management with AirWatch 9.1]

Boxer Productivity App

9. Can you deploy SMIME certificates to Boxer on Android and iOS?

You can deploy SMIME certificates by pushing APIs in AirWatch Console 9.0+. You can also push through the self-service portal, as well as on an as-needed basis through certificate distribution via email attachments.

10. For the Boxer email app, what is the total size limit for emails, including body, headers and attachments?

Boxer does not enforce any size limitations. Exchange configures this on the backend.

11. What systems does the Boxer Classifications Markings approach support?

Our Classification Markings approach integrates with the built-in Exchange transport rules. We can also integrate with Titus, Boldon James and JanusNET.

12. Does Boxer support plain text, signed, encrypted and signed-and-encrypted messages?

Yes, Boxer supports all of these types of messages.

[Related: Productivity Apps Spotlight: Updates for VMware Boxer, Content Locker, Browser & Socialcast]

Additional Information

Want to learn more about AirWatch 9.1? Many more details are available in myAirWatch or through your account manager.

For more information about the AirWatch solutions mentioned in this blog:

  • Read our AirWatch 9.1 announcement blog.
  • Watch the webinar replay.
  • Contact us via email, chat or phone.
  • Try AirWatch free for 30 days.

iFusion Analytics and Interoute partner to deliver Analytics at the Edge

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iFusion Analytics , a provider of integrated big data as a Service (iBDaaS), has partnered with Interoute , owner-operator of a global cloud services Read more at VMblog.com.

3BD/2BA with Security & Simplicity: TCAD Streamlines with VMware Digital Workspace Solutions

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Home of the University of Texas at Austin, a number of growing companies and almost as many great barbecue joints, Travis County, Texas is one of the fastest growing areas in the U.S. The entity that determines property taxes there, Travis County Central Appraisal District (TCAD), has seen its workloads grow along with the population. TCAD needed better efficiency, higher security and a simpler way to monitor IT applications to protect citizensrsquo; sensitive property information.

Now with VMware’s digital workspace solutions, TCAD can:

  • Meet its security needs with micro-segmentation;
  • Transform desktops into a digital, mobile workspace for field appraisers and business users; and
  • Meet strict regulatory compliance.

The results? Seamless access to business-critical apps, reduced hardware costs with VDI, top-notch service and taxpayer savings.

Want to learn how VMware’s digital workspace solutions can help your business enable your workers with secure access to work apps and data from anywhere? Click here to sign up for a behind-the-scenes peek.

More videos you might like:

  • American Red Cross Uses VDI for Disaster Relief
  • Explore Sally Beauty’s Innovative Digital Workspace
  • Simplifying App & Access Management with VMware Workspace ONE

 

The post 3BD/2BA with Security & Simplicity: TCAD Streamlines with VMware Digital Workspace Solutions appeared first on VMware End-User Computing Blog.

Setting DRS Additional Options using PowerCLI

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With vSphere 6.5, we added a number of ‘Additional Options’ to DRS. These additional options uplevel some of the “Advanced Options” (which we don’t talk about much) that we’ve found are valuable to our customers. The Three that we added this release were:

  • VM Distribution
  • Memory Metric for Load Balancing
  • CPU Over-Commitment

You can read more about the purposes HERE.

A few days ago I received a tweet:

This was related to the additional options. I decided at that time that since I hadn’t blogged about how to set advanced options, I figured I probably should!

To set these additional options, We’ll use the following properties:

  • LimitVMsPerESXHostPercent
  • PercentIdleMBInMemDemand
  • MaxVcpusPerClusterPct

 

We can set these advanced options with the following code:

$Cluster = Get-Cluster <cluster name>$Cluster | New-AdvancedSetting -Name LimitVMsPerESXHostPercent -Value 0 -Type ClusterDRS$Cluster | New-AdvancedSetting -Name PercentIdleMBInMemDemand -Value 100 -Type ClusterDRS$Cluster | New-AdvancedSetting -Name MaxVcpusPerClusterPct-Value 500 -Type ClusterDRS

After running the commands above, you can refresh your browser and notice that the cluster settings have updated.

**Note: If you want the checkboxes to be checked for VM Distribution and/or Memory Metric for Load Balancing, you will have to use the exact values I placed in the script.

For CPU-Overcommitment the options are between 0-500 (where 500 = 5:1 ratio)

 

The post Setting DRS Additional Options using PowerCLI appeared first on BRIAN GRAF.

Particle IoT Technology Transforms the Supply Chain

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Particle , the most widely-used Internet of Things device platform, revealed today its ideas for modernizing supply chain management through the... Read more at VMblog.com.

See You at Citrix Synergy: SYN416 XenServer for VMware admins

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Are you a VMWare admin? Used to architecting your Citrix XenDesktop/XenApp deployments within a VMWare environment. Ever thought about XenServer? Bet yoursquo;re thinking about XenServer now Irsquo;ve mentioned it… Ever wondered what would stop you from deploying on XenServer? Bet yoursquo;re thinking about it now…

Citrix Synergy is in Orlando, Florida, USA May 23-25 2017. Citrix Synergy is the global event where the Citrix community of customers, prospective customers, partners and industry influencers come together for strategic insights and professional networking. I am honoured to be on Featured Speakers list, and for all of those who are asking - yes Jim Moyle will indeed be sitting beside me, warming his toes by the fire and mumbling about how he has to bring his own tea.

What is SYN416 / XenServer for VMware adminsAll About?

Citrix XenServer is the underlying infrastructure powering multiple Citrix core offerings. While many Citrix admins use XenServer to host Citrix XenDesktop and XenApp services, many VMware admins have yet to make a move. In this Fireside Chat, wersquo;ll start conversations about similarities, differences and drivers for staying or moving. Wersquo;ve a range of topics to talk about that includes topics on key differences between VMware vShpere and Citrix Xenserver that include Versions and Licensing, Core Architecture, Managment, Load Balancing, High Availability, DR, Migration and Performance. And in what we hope will be a fun and exciting change - you the audience get to choose which order we get to do the topics in to help you make a informed choice of which platform to build on going into 2017 and beyond.

Talk about Taxation?

Wersquo;ll consider the license options and cost implications of implementing XenServer as opposed to VMware. Open to a conversation on if it is truly a Tax, or merely moving money from one offshore account to another?

Architecture Differences

Wersquo;ll consider XenServerrsquo;s core architecture – and its differences and nuances in comparison to VMware.

Wersquo;re ready to look at respective tools, at XenServerrsquo;s unique offerings, High Availability, Disaster Recovery and consider requirements and performance between the two environments. As I say, the agenda can practically be your own – such is this new fireside side chat format.

Where would you like to go on that particular Thursday?

Don't Just See It - Be It.

Jim and I have got our notes (almost) prepped for sure: but if you have a burning question or idea yoursquo;d like help with: by all means get in touch either via www.mycugc.org, via twitter or in the comments here.

Join Us, We May Have Marshmallows

So, join me and fellow Citrix Technology Professional Jim Moyle at Citrix Synergy 2017 SYN416 / XenServer for VMware Admins, for a relaxed and informal discussion to insight into how you can best deliver your XenApp/XenDesktop environment going forward in 2017 and beyond. And if you donrsquo;t come for that – come to find out what these three slides are actually going to be about (by all means submit your answers, there could well be prizes)

Date:May 25, 2017

Time:4.00 p.m. – 5:00 p.m.

Location:Orange County Convention Center, West Concourse, West Hall C,SynergyPark, Fireside 1

We look forward to seeing you. For those who have never met us, we'll be the guys at the front.

Dell EMC World 2017: Ready Node-a-palooza!

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Our Dell EMC Ready Node program is cooking with gas.   The most well known, and most popular Ready Node is the VMware vSAN Ready Node program, but there are ScaleIO Ready Nodes (a very popular choice), and here at Dell EMC World – wersquo;re announcing the new Microsoft Storage Spaces Direct Ready Nodes.

As a reminder:

Ready Nodes, Ready Bundles, Ready Systems is the taxonomy we use for our program where we bring multiple technology pieces together at Dell EMC.   Ready Nodes = software + server; Ready Bundles = software + servers/network/storage; Ready Systems = software + CI/HCI.   

In each case – Ready = more than a simple combo of products.  Ready = designed to provide all the end-to-end assists for simplified configuration, sizing, quoting, deployment, financial packaging.   BTW – IDC calls this category of rsquo;thingrdquo; Certified Reference Systems.  

The Ready Node/Bundle/System program is also how we bring our open technology partner ecosystem (SAP, Microsoft, RedHat, VMware, Pivotal, Cloudera, Splunk, Hortonworks, the HPC ecosystem and many others) to life – and strive to make things SIMPLER for people who are more on the rsquo;buildrdquo; end of the rsquo;build-to-buyrdquo; continuum.

Irsquo;m often asked by people who are server specialists (or server buyers) rsquo;whatrsquo;s the difference between a vSAN Ready Node and VxRailrdquo;.

Irsquo;m often asked by VMware people (or VMware admins) rsquo;whatrsquo;s the difference between a vSAN Ready Node and VxRailrdquo;

The answer is simple: A vSAN Ready Node is a bundle of software + server – validated to work together, with some tools to make acquisition and initial deployment easier.   VxRail is a product – for itrsquo;s entire lifecycle (not just on initial deployment) you canrsquo;t separate the components – and we are singularly responsible for the whole thing – itrsquo;s an appliance.

Ready Nodes are for people who like to build, but want to accelerate and de-risk things a bit.

Currently – we have 5 Ready Node family members:

Now to be clear – the vSAN Ready Node program is a VMware program, and one that is open to many folks in their ecosystem, including Dell EMC competitors.   I think thatrsquo;s awesome – and welcome the competition.  I think our Dell EMC vSAN Ready Nodes are the best, but there are others too.

For more info on each – read on!

 

The VMware vSAN Ready Node program is cooking.  vSAN software is our Dell Technologies rsquo;go-tordquo; for customers who want a VMware HCI SDS model.  To be clear – this mode of consumption (Ready Nodes) sits between software-only (just vSAN – very flexible) and VxRail (turnkey HCI – very simple outcomes) – and while the vSAN node program is very successful, we do see that there are more customers who go software-only and HCI.

 

Then you have ScaleIO Ready Nodes.   They are flat out, the fastest, most scaleable way to create a SDS Server SAN (including vSphere use cases – particularly where they want to operate, scale, share storage in a way that doesnrsquo;t bind to the VMware operational model).    Frankly, I think our sales and SE teams that donrsquo;t propose this vs. our external storage competitors, they are missing out.   A moderately sized ScaleIO Ready Node deployment will smoke any array on the planet and is a competition killer.   Oh, and ScaleIO Ready Nodes are also is orders of magnitude easier to update, to rebalance – and therersquo;s no forklift upgrade.  I almost forgot – they also have huge ecosystem support and integration, including with all the new cloud native cool kids :-)

Seriously – Dell EMC teams and partners – if a customer doesnrsquo;t need specific data services, or particular host attach, or specific capacity density – but just needs awesome transactional storage, ScaleIO Ready Nodes are the go-to choice.   Donrsquo;t fight the way the market is moving – embrace it.

Then you have the new kid on the block, the Storage Spaces Direct Ready Node (thatrsquo;s a mouthful :-)

If you are all about Windows Server 2016 and Storage Spaces Direct, and for some reason donrsquo;t want ScaleIO (seriously – it will run circles around Storage Spaces Direct in most vectors particularly at scale – S2D scales to 16 nodes in a cluster, and is a nice kernel-loadable module, with no RDMA iWarp or RoCE needed) – then this Ready Node will de-risk your path forward.

There are also Ready Nodes (software + server, remember) that are not Storage focused.    SAP HANA is an example.

For example – for customers who want scale-up SAP HANA, the SAP HANA Ready Node is the way to go.

BTW – note how the rsquo;Ready Noderdquo;, rsquo;Ready Bundlerdquo; and rsquo;Ready Systemrdquo; taxonomy works.  If you want a Scale-out SAP HANA deployment – which by definition will need network and external storage, We have SAP HANA Ready Bundles (for TDI deployments), and SAP HANA Ready Systems (which run on VxBlocks).

Now – itrsquo;s exciting times for the SAP HANA Ready Node program – with the new partnership that we have with ATOS around Bullion systems (for massive scale-up – think 384 cores, 24TB in a single system), expect to see Dell EMC SAP HANA Ready Nodes for those very large DRAM and core count built on them soon! 

At the other end of the SAP HANA spectrum – we do something unique that you doesnrsquo;t get the attention of the massive scale UP HANA examples (everyone loves things that are big – but sometimes powerful, small packages are needed).   In that space, we have SAP HANA Edge Ready Nodes.   If you want a small easy way to get SAP HANA at the smallest footprint, smallest cost – this is the way to go.

 

There you have it – Ready Node-a-palooza.    We will keep investing in the Ready Node program – itrsquo;s one of the forms of technology consumption for people along the rsquo;build it yourselfrdquo; continuum that really works, and our field, our partners, and our customers dig it.

Virtustream Introduces Enterprise Cloud Connector for VMware vRealize Automation

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Virtustream , the enterprise-class cloud company and a Dell Technologies business, today announced Virtustream Enterprise Cloud Connector for VMware... Read more at VMblog.com.

Trusource Labs Scales IT to Support Hyper-Growth with Maxta Hyperconvergence

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Maxta Inc. announced that technical support services provider Trusource Labs LLC has selected Maxta MxSP software to deliver the scalability,... Read more at VMblog.com.

Cybercriminals Are Winning: Even Security Professionals Admit to Paying Ransom and Bypassing Corporate Security

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Bromium, Inc., the pioneer and leader in virtualization-based enterprise security that stops advanced malware attacks, today released new research... Read more at VMblog.com.
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