Blog of Davoud Teimouri - Focusing on Virtualization and Data Center, especially VMware ESXi, Server Hardware, Container, ...
OpenNebula 7.2 introduces a single-process control plane, declarative cluster provisioning via OneForm, and native NVIDIA Fabric Manager integration for GPU-dense AI workloads. It occupies a unique architectural middle ground: lighter than OpenStack, stronger multi-tenancy than Proxmox VE, and more modern API surfaces than Apache CloudStack The post Why OpenNebula 7.2 Matters for Modern…
If you are still spinning up massive, nested ESXi environments just to test a basic PowerCLI script, a Python vSphere API wrapper, or a custom Terraform provider, you are wasting compute. Marketing teams want you to buy more hardware for dev environments; engineering reality dictates we simulate. Enter VCSIM (vCenter Server Simulator) —the lightweight vCenter simulator that boots in milliseconds…
Broadcom shipped VMware Cloud Foundation 9.1 in May 2026. The marketing says “AI-ready private cloud.” The release notes tell a different story — one about operational maturity finally catching up to the platform’s ambition. I’ve been running VMware Cloud Foundation since the 3.x days. This is the first release where the day-2 operations story feels complete. Not perfect. Complete. The post VMware…
Proxmox VE 9 and Proxmox Backup Server 4.0 were both officially released in late July to early August 2025, introducing major platform upgrades and significant new capabilities. The post Proxmox VE 9 + PBS 4.0: The Most Powerful Open-Source Virtualization Stack Yet appeared first on Davoud Teimouri - Virtualization and Data Center .
VMware vSphere has long been the foundation of enterprise virtualization. Now, with VMware vSphere 9.0, VMware is taking another leap forward to support modern workloads like AI/ML, GPU-intensive applications, hybrid cloud, and containerized environments. The post VMware vSphere 9.0 Revealed: Why Staying on Old Versions Could Destroy Performance appeared first on Davoud Teimouri - Virtualization…
VMware vSAN is a powerful, software-defined storage solution that makes storage management easier by pooling local disks from ESXi hosts into a single storage platform. Its close integration with vSphere makes it a popular choice for organisations looking to modernise their infrastructure. However, implementing vSAN effectively necessitates a thorough understanding of its requirements and best…
Mission-critical applications in a variety of industries are powered by Oracle Database, a fundamental component of enterprise data management. Selecting the best server solution is essential to guaranteeing cost effectiveness, scalability, and peak performance. The capacities, technologies, advantages, costs, and suitability for both physical and virtualized environments of various server…
Information integrity is crucial in today's data-driven world, particularly for vital systems like databases and storage infrastructures. Silent data corruption is one of the most pernicious threats to data integrity. Silent data corruption happens without warning and may go unnoticed for a long time, in contrast to visible errors that can be quickly identified by users or applications. We will…
Database administrators and IT architects face particular difficulties when it comes to storing vast volumes of unstructured data, including documents, videos, and photos. Although the Binary Large Object (BLOB) data type in Oracle Database provides a strong mechanism for handling such data within tables, scaling and managing BLOBs in a high-demand setting frequently necessitates creative…
Data is the foundation of any organization in the digitally first world of today. Effective database management is essential, but it presents difficulties with scalability, maintenance, security, and cross-environment compatibility. A potent tool for streamlining and simplifying database administration in contemporary infrastructures is VMware Data Services Manager (DSM). In-depth discussions of…
With its state-of-the-art innovations, VMware vSphere continues to lead the virtualization ecosystem, and vSphere 8 brings major improvements to vTopology, a framework designed to optimize NUMA (Non-Uniform Memory Access) and vNUMA (Virtual Non-Uniform Memory Access) configurations for modern workloads. Effectively managing NUMA and vNUMA is essential in virtualized environments to maximize…
Vector databases can provide special advantages to businesses that have already made investments in virtualized environments such as VMware vSphere. The centralized management, scalability, and flexibility of VMware vSphere make it the perfect platform for vector database hosting. We'll go into great detail about vector databases in this post, look at some of their most important applications, and…
In today’s data-driven world, databases are essential for managing the enormous amounts of information generated by businesses. Oracle Database is a leading relational database management system (RDBMS) widely used in various industries. As data grows, so do the demands for performance, efficiency, and cost-effectiveness. This is where Oracle Database Smart Flash Cache comes into play. The post A…
Networking is a key component of enterprise virtualization, and as data centers grow, it is imperative to manage network resources effectively and flexibly. VMware's vSphere Distributed Switch (VDS) is a potent tool that allows for centralized management of networking configuration across ESXi hosts, and one of its key features is its management of network port bindings. There are two main types…
VMware vSphere is one of the main virtualization platforms used today. Despite the close integration of VMware's proprietary Virtual SAN (vSAN) into the vSphere ecosystem, a growing number of enterprises are choosing open-source storage technologies such as Ceph. The choice to incorporate Ceph into a vSphere system requires knowledge of the architecture's drawbacks as well as its advantages, use…
It's essential to maintain and your Linux systems for dependability, performance, and security. The hazards, factors to be aware of, kernel updates, rollback methods (including those without backups), and the most recent developments in kernel live patching will all be covered in this blog article on best practices for Linux update and focusing on updating Ubuntu and Oracle Linux. The post Linux…
Spreading infrastructure and constantly shifting needs in today's IT environment may easily convert system administration into a wild beast. Manual setups become laborious and prone to errors, which impedes creativity and agility. This is where automation becomes useful, providing your IT environment with a potent tool to tame the beast and restore order. Let me introduce you to Oracle Linux…
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…
Data integrity is critical to the digital world. The backbone of this world, filesystems, are essential to the organization and security of this data. Ext4 is the most popular filesystem among them all because of its efficiency and dependability. But the JBD2 journaling layer is a secret weapon that powers its success. This blog article explores the world of JBD2, including its features, goals,…
Efficient and high-performing databases are the foundation of many organizations in the age of data-driven decision making. One of the top relational database management systems (RDBMS) for enterprises, Oracle Database, has several features to maximize performance and meet expanding business requirements. The Oracle Memory Speed (OMS) file system is one such cutting-edge product that promises to…