You are currently browsing articles tagged vSphere.

VMware Hyperconverged Infrastructure is the Best Stack to Back OpenStack

See why VMware vSphere with Virtual SAN delivers the best infrastructure for OpenStack environments.

Visualize the Advantage of Standardizing on a Single Hypervisor

Managing a multi-hypervisor datacenter is chaotic - like 32 out-of-sync metronomes.

“I’m so glad we switched back to VMware”

Dierbergs switched from vSphere to Hyper-V in an effort to reduce licensing costs, but ultimately returned to VMware when the promise of "good enough" failed to materialize.

Is Everyone but You Deploying a Multi-Hypervisor Data Center?

Multi-hypervisor data centers are on the decline, despite what you may be hearing from motivated challengers to the market leader.

Microsoft Employee Submits to Polygraph Testing

Hilarious series of polygraph videos with Microsoft employee under interrogation.

Shared-nothing Live Migration: Zero Downtime — Kind of

Both vSphere and Hyper-V offer a capability to move running virtual machines and storage in a single operation, but virtual disks on local storage cannot be protected by HA.

Book Review: VMware vSphere 5 – Building a Virtual Datacenter

New book on vSphere 5 covers a variety of technical aspects needed for effective virtual infrastructure design and administration.

vRAM eliminated on both vSphere 5.0 and 5.1

VMware removed vRAM entitlements from vSphere licensing; applies to existing 5.0 as well as 5.1 environments.

Real Uses for Fault Tolerant Virtual Machines

Fault tolerant virtual machines can protect key elements of an infrastructure today, while Windows Hyper-V offers only criticism, press releases, and vaporware.

We Fear Change

With the launch of vSphere 5.1, VMware is neutralizing the controversial vRAM-based licensing model and reverting to the former per-socket arrangement. Tad is busy updating his sales and marketing collateral.

Who needs a million IOPS for a single VM?

Microsoft tried to compare storage performance results from the upcoming Windows Hyper-V 3 with experiments from a year-old vSphere whitepaper that used completely different configurations -- see what happens when similar configurations are used.

vMotion Performance on VROOM! Videos

Todd and Sreekanth from the VMware Performance Team talk about vMotion, with a guest appearance by Eric Gray.

Book Review: Automating vSphere with vCenter Orchestrator [Giveaway!]

New book on vCenter Orchestrator from Cody Bunch shows how to automate vSphere tasks. WIN one of ten copies!

What are you doing with nested virtualization?

Virtualizing vSphere enables many possibilites for learning and experimenting. What you *you* doing with nested virtualization?

VMware vMotion: Over 5 Times Faster Than Hyper-V Live Migration

Side-by-side tests show that VMware vMotion is over 5 times faster than Hyper-V Live Migration. Plus, vMotion is more reliable and protects application SLAs much better than Hyper-V.

VMware vSphere 5 outperforms Hyper-V by nearly 20%

Independent tests show VMware vSphere 5 outperforms Hyper-V R2 SP1 in overall performance, resource management, and scalability.

VMware vCenter Server Appliance and vRAM Reporting

VMware vSphere 5 introduces a new license report for vRAM. Unfortunately, the report does not display properly when using the Linux-based vCenter Server Virtual Appliance until a small workaround is executed.

VMware vSphere can virtualize itself + 64-bit nested guests

VMware vSphere 5 makes it even easier to virtualize ESXi, and can now run nested 64-bit guests.


A recent article on a popular technology media outlet includes misinformed claims about Hyper-V Dynamic Memory advantages over VMware vSphere.

Disingenuous Cost Comparisons

Learn Microsoft's trick behind the claim that VMware vSphere costs as much as five times more than Hyper-V.

The Secret of Ephemeral Port Groups

When using the VMware vSphere Distributed Switch, ephemeral port groups offer a capability not found in the other two binding options.

NIC Teaming Update: Hyper-V Still Cloudy as Ever

Network teaming provides load balancing and fault tolerance to your virtual infrastructure. VMware vSphere provides powerful, elegant solutions to meet the most demanding requirements. The Hyper-V platform continues to rely on unsupported legacy technologies.

Understanding VMware vSphere, ESXi, and Release Cycles

Some newcomers to virtualization don't know that VMware vSphere is the combination of VMware ESXi and vCenter Server. By launching a complete virtualization infrastructure platform, VMware can offer more advanced capabilities than the staggered Hyper-V releases from Microsoft.

vSphere Smokes Competitors in InfoWorld Shoot-Out

Latest InfoWorld comparison of all major virtualization platforms puts VMware vSphere on top!

Resource Pools to the Rescue

VMware vSphere Resource Pools are a proven means to reliably share infrastructure. Hyper-V requires administrators to manage CPU reservations and limits on an individual VM basis.

Start and Manage a VM Without Using vSphere Client

Use Tech Support Mode on VMware ESXi to find, start, and obtain guest OS IP address information from a virtual machine -- without using the vSphere Client on Windows.

Cold Starting a Datacenter

A couple of VMware vSphere features can help ensure your virtual infrastructure starts up well after a significant datacenter power event.

Hyper-V [Not Exactly] Dynamic Memory

Hyper-V Dynamic Memory is coming in SP1, but workarounds may be needed to install applications.

Microsoft likens vSphere cloud to ancient fax machines

Director of Microsoft Virtualization says vSphere hybrid clouds remind him of ancient fax machines, overlooking reality of current IaaS landscape.

Does Microsoft really support Linux on Hyper-V?

Microsoft claims that Linux guests running on Hyper-V are fully supported -- find out what really happens when a customer tries to get help with a SLES VM.

Gartner: Hyper-V Under-performing, Not Grabbing Share

Gartner says Hyper-V not meeting expectations even in midmarket, VMware doing pretty well.

Installing VMware Tools OSPs in SLES for VMware

VMware Operating System Specific Packages (OSPs) are an alternative to the VMware Tools bundled with vSphere. Pre-built packages are available for SLES for VMware (SLES 11 SP1) and easy to install.

SLES for VMware – First Look

SLES for VMware is an enterprise-class Linux distribution suitable for any production workload and available for free to qualifying vSphere customers.

Hyper-Vacating Your Datacenter with vSphere 4.1

A new feature in vSphere 4.1 allows administrators to easily perform a cold conversion (V2V) of a Hyper-V virtual machine.

Book Review: Maximum vSphere

Maximum vSphere is Eric Siebert's newest book and a must-have for any vSphere administrator.

VMware vSphere 4.1 – the best virtualization platform yet

Roundup of recent VMware vSphere 4.1 reviews and competitive evaluation resources.

Multiple hypervisors? What about multiple SANs?

Red Hat Enterprise Virtualization does not allow administrators to diversify storage technologies in a data center -- all hosts in a data center must choose between NFS, iSCSI, or Fibre Channel.

Red Hat Enterprise Linux is not Enterprise Virtualization

Red Hat Enterprise Virtualization users may opt for a full installation of Red Hat Enterprise Linux as a hypervisor host. Besides adding extra cost, RHEL KVM packages and management tools are incompatible with RHEV and must be replaced.

What is Red Hat Enterprise Virtualization?

Red Hat Enterprise Virtualization is a new competitor to VMware vSphere. After almost half a year on the market, is anyone using it?

Taking snapshots of VMware ESX 4 running in a VM

VMware ESX 4 can virtualize itself, and by using a special undocumented configuration setting it is now possible to take snapshots of virtual VMware ESX 4 systems.

Linux apps run directly on Windows with virtualization!

Microsoft has broken through numerous technological barriers, enabling Windows/Hyper-V to directly execute Linux applications.

The Truth About Hyper-V Memory Overcommit

Learn about Microsoft's attempt to implement memory overcommit in Hyper-V.

vSphere issues? Ask VMware.

Certain errors and warnings in the vSphere Client now provide links directly to VMware KB articles with more details on the specific issue.

Book Review: VMware VI and vSphere SDK

Review of Steve Jin's new book on the VMware VI SDK. A great development resource, and administrators may improve their overall understanding of VMware vSphere and PowerCLI scripting.

VMware vCenter CapacityIQ 1.0.1 for vSphere

VMware vCenter CapacityIQ 1.0.1 is now fully integrated with VMware vSphere. The product deploys quickly as an OVF virtual appliance and the user interface is a vSphere Client plugin.

The Truth About Storage Hot Add and Remove

VMware vSphere 4 offers multiple options for expanding virtual machine storage with zero downtime, including the ability to grow a running virtual disk. Hyper-V marketing literature makes a similar claim, but is limited to simply adding another virtual disk.

vSphere Thin-Provisioned Disk Performance

A new paper published by the VMware Performance Team shows that virtual disks using vStorage Thin Provisioning perform nearly as well as fully allocated thick disks.

Easy recovery from a full VMware ESX datastore

With VMware vSphere, ESX, and VMFS, running out of space on a datastore does not cause damage to virtual machines. It is easy to recover without even a guest OS reboot.

PowerShell Prevents Datastore Emergencies

When a datastore in your VMware vSphere environment is about to fill up, you can have vCenter automatically spring into action to prevent downtime by using Storage VMotion.

Responsible Thin Provisioning in VMware vSphere

VMware vSphere 4 offers thin provisioned virtual disks backed by management that enables safe use in a production environment thanks to advanced accounting of all provisioned space.

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