Category: Server Virtualization

VMware vSphere, Microsoft Hyper-V, Citrix Xen Server, Oracle VM Server, Red Hat KVM.

vMotion Application Notification 0

A Deep Dive into VMware vSphere vMotion Application Notification: Keeping Applications in the Loop

Ensuring application availability and performance during infrastructure maintenance is essential in the ever changing virtualization landscape. VMware’s flagship product, vMotion, allows virtual machines (VMs) to be moved between physical hosts without interruption. How about the programmes that are executing in such virtual machines? Can they be told that the relocation is coming and given enough time to be ready?

Now for vMotion Application Notification, a revolutionary feature that debuted with vSphere 8. By giving apps the ability to actively participate in the vMotion process, this feature improves resiliency and reduces migration interruptions. Let’s investigate the advantages, settings, and best practices of this cutting-edge technology in more detail.

Kata Containers 2

Kata Containers, Container with VM Isolation

Kata Containers offers method of container deployment with more security. Security is one biggest challenge about containers and containers has lower level of security compared to virtual machines. Because virtual machines are isolated from each other, but containers can’t provide isolation same as virtual machines.

Firecracker 1

MicroVM and Firecracker: Discover Advantages and Disadvantages

During virtualization revolution, physical servers replaced with virtual machines to run multiple different workloads on a single server hardware but virtual machines were still large and needs some resources to run as isolated servers. Virtual machines needs to have their own operating system and applications. Also they needs to manage and configure separately. MicroVM or Micro Virtual Machine offering benefits of two different technologies and Firecracker will help you to implementing MicroVM.

Windows Upgrade Path 0

Guest Operating System Upgrade or New Virtual Machine?

Virtual Machine needs guest operating system (OS) to operates same as physical machine. Operating system is a system software and has life cycle same as other software. But what should we do about updating and upgrading guest operating systems in virtual environments. Guest Operating System Life-Cycle Most implemented services don’t need to any new features on operating system, so we should choose guest operating system with long term support. Both Windows and Linux (Some distributions) offering different of channels. You can choose a path that more stable or choose a path for have new features. Update vs Upgrade When you need to newest technologies and features on the latest major version of operating system, you have to do Upgrade. But when you are applying regular patches on operation system, you are doing Update. Keep Update Guest Operating System Operating systems’ vendors releasing patches during operating system life-cycle. Apply patches (Security or others) to keep guest operating system secure and stable as well as your services and business. Even installing service packs or upgrading to a minor version of current guest operating system is an update process and there is no limitation to do it. When We Should Upgrade Guest Operating...

ramdisk tmp full esxi 2

The ramdisk ‘tmp’ is full – VMware ESXi 6.x on HPE ProLiant

We are using HPE ProLiant servers in our virtual environment to delivering different services to our customers. VMware ESXi has been installed on all servers as Hypervisor. You know that each vendor has customized image that includes VMware ESXi, drivers and management tools. It seems, there is an issue on HPE Agentless Management (AMS) on latest ESXi image.

Windocks 0

What’s WinDocks?

Windocks combines Docker Windows containers with SQL Server database cloning, for a modern, open data delivery solution.Enterprises modernize application development, testing, reporting, and BI, with existing licenses and infrastructure, at a fraction of the cost of alternatives.

linux kvm 2

Is There Any Tools Like VMware Tools for KVM?

All VMware guys know that guest OS needs drivers for
paravirtualized devices and the drivers provided by VMware as a package which called VMware Tools. VMware Tools is available for supported operating systems and also there is an open-source which called Open-VM-Tools and it’s available for modern Linux distributions and installed by operating system installer.

old 0

End of General Support for vSphere 6.0

If you are using vSphere 5.5 on your environment, please don’t read this post otherwise it will be useful for you. Currently, vSphere is most popular server virtualization software and any changes or notifications which published by VMware, has impact on may organizations IT infrastructure. What’s the newest? Answer: Say good bye to vSphere 6.0 .

ceph 2

What’s SDS (Software-Defined Storage) – Part 2 (Ceph)

Whether you want to provide Ceph Object Storage and/or Ceph Block Device services to Cloud Platforms, deploy a Ceph Filesystem or use Ceph for another purpose, all Ceph Storage Cluster deployments begin with setting up each Ceph Node, your network, and the Ceph Storage Cluster. A Ceph Storage Cluster requires at least one Ceph Monitor, Ceph Manager, and Ceph OSD (Object Storage Daemon). The Ceph Metadata Server is also required when running Ceph Filesystem clients.

Veeam Availability Suite Update 4 0

Veeam ONE 9.5 Update 4

Veeam has released update for Veeam ONE 9.5. The new update came with new features and improvements. Veeam ONE 9.5 update 4 is available for download from January 22, 2019 on Veeam website.

Corruption in dlmalloc 0

ESXi Fails with “Corruption in dlmalloc” on HPE Server

“Corruption in dlmalloc” issue occurs because multiple esxcfg-dumppart threads attempt to free memory which has been used for configuring the dump partition. Thread A checks if there are entries to be freed and proceeds to free them, while within the same time frame, Thread B is also attempting to free the same entries.
Based on VMware KB2147888, this issue is resolved on ESXi 6 U3. But why issue is happening on ESXi 6 U3 or ESXi 6.5 U1 when they are installed on HPE ProLiant servers?