Davoud Teimouri - Virtualization and Data Center Blog

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NFS Client Configuration For My Dummy Colleagues

NFS (Network File System) is the most popular file sharing for Linux systems to access files from remote client. NFS can be very troublesome because of misconfiguration. The most challenges with NFS is network interruption and connection problem between client and server.

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Parallel NFS (pNFS) – Part 1 (Introduction)

Parallel NFS (pNFS) is a part of the NFS v4.1 standard that allows compute clients to access storage devices directly and in parallel. The pNFS architecture eliminates the scalability and performance issues associated with NFS servers deployed today. This is achieved by the separation of data and metadata, and moving the metadata server out of the data path.

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Ceph Storage Platform: Best Alternatives in 2022

Ceph is most popular software-defined storage platform and offers Objec-Storage, Block Device and File System (CephFS) for storing data in modern data centers or public and private clouds. Best and popular solutions needs alternatives as well. So at this post, we’ll review some alternatives for Ceph.

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Windows OS Optimization Tool for VMware Horizon

Windows OS Optimization Tools was a VMware’s Fling and this free tool has been productized now. Windows “OS Optimization Tool For VMware Horizon” will be official Horizon’s components from VMware Horizon 2111. What’s Windows OS Optimization Tool for VMware Horizon? The Windows OS Optimization Tool for Horizon makes it easy to apply configuration settings to desktops and servers. It includes settings to optimize the following Windows operating systems for both desktops and servers that reside in the data center and in the cloud: Windows 11 Windows 10 Windows Server 2022 Windows Server 2019 The Windows OS Optimization Tool for Horizon optimizes virtual desktops and RDSH servers for Horizon, and Horizon Cloud. Notes: The Windows OS Optimization Tool for Horizon is not compatible with Windows 7, 8.1, Server 2012, Server 2012 R2, and Server 2016. An older version of the OS Optimization Tool (b1130) is available to download from the VMware Flings site to use on these OS versions. The optimization information in this guide does not pertain to Windows XP or Windows 7, which Microsoft no longer supports. For more information, see the Windows XP Deployment Guide. The Windows OS Optimization Tool for Horizon helps with three key steps in this process: Optimize...

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EMC Unity Host Group, Finally Came!

EMC Unity array was released in 2016 to replace VNX and VNXe family with another mid-range array solution. EMC Unity came with lots of new features and enhancements compare to older families but there was an absent feature that VNX offering. Host access method was changed and each LUN should have been present to each host separately. More than 4 years from GA release, we were waiting for changing host access method because presenting LUN to each host was horrible in large scale environment with many hosts and LUNs. Biggest Change In EMC Unity OE 5.1.0.0.5.394 Previous versions have “Consistency Group” with some limits to present a LUN or more than one LUN to group of hosts. EMC Unity OE 5.1.0.0.5.394 including new feature that the new feature is like VNX Storage Group. The new feature called “Host Group“. You could assign or present multiple LUN to multiple hosts in OE version 5.0 and later but Host Group is the feature that we want. In Dell EMC Unity OE version 5.1 users can logically group hosts and block resources within a host group. Host groups can be created and managed from the Host Groups tab and help to streamline host/resource...

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Unity XT Metro Node (1st/2nd Generation): Protect Your Data and Applications from Disaster

Unity XT storage arrays are designed for performance, optimized for efficiency and built to work in multi-cloud environment. Actually Unity XT storage array is mid-range storage array family but this family is capable for enterprise workloads. Enterprise businesses needs protection and needs business continuity solutions. Typically, mid-range storage array has no native business continuity solution but Unity XT offers Unity XT Metro Node as business continuity solution.

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Cloud Native Server Processors

Each workload needs to proper processor for processing, some workloads need to more cores and threads and some workloads need to more power. Today, Data Centers are changing and workloads as well. Applications are moving to Cloud Native platforms and virtualization needs more density instead of processing power. Arm (Advanced RISC Machines) is going popular for cloud workloads and server products because ….

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Network Time System Software

This is a review post about an amazing software which made to be time reference in network with some unique features. Network Time System made by Softros Systems and provides a solution to system time maintenance problems.

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Connection (Session) Duration Report: Best Solution for VMware Horizon View 7.x or Newer

VMware Horizon View provides solutions for remote working and access to business from anywhere. Users be able to use virtual desktop or applications via secure and fast display protocols such as PCoIP or VMware Blast. VMware did support monitoring VMware Horizon View via vRealize Operations (vROps) for Horizon but recent versions are not supported. You have to use third-party software or services such as ControlUp or develop your solutions.

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Rocky Linux, The Rightful Successor to CentOS

CentOS born from nothing and was everything for some businesses but Red Hat deposed him from the kingdom. I have published a post about CentOS Replacement Candidates and Rocky Linux was one of candidates. Rocky Linux was under development by Rocky community and release candidate version of Rocky Linux was released on April 30, 2021.

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VMware Photon OS – Best OS for Kubernetes and Container Host

During virtualization revolution, IT administrators was be able to use single physical host as virtualization host and providing compute resource for multiple services. Now IT world is going forward and companies moving their services to Cloud-Native Application or Container. Compared known Virtualization and OS Level Virtualization, using less storage capacity is the biggest benefit of OS Level Virtualization or Containerization. Most known Hypervisors are not made for OS Level Virtualization and Containerization needs Container Host. Container Host can be a known Operating System such as Linux distributions. There are some OS has specially made for Containerization such as VMware Photon OS.