Understanding Adaptive Resync in VMware vSAN 6.7

Introduction to Adaptive Resync Consistent Performance delivery along with data resiliency are two key tenet for an enterprise storage solution. If case of host / disk failure few of the components of the Virtual Machine might get non-complaint because of the the missing data. To make the impacted Virtual Machine complaint with their policy vSAN …

VMware vSAN Capacity Management and Utilization Deep-dive

Introduction VMware is putting lot of efforts to make tracking of vSAN Capacity utilization simpler. VMware vSAN provides few of the dashboard within vCenter to track capacity utilization, free space remaining, deduplication can compression efficiency and many more. In the latest release, there are more then 200 alarms that provides various alerts for vSAN. In …

VMware vSAN Stretched Cluster Deep Dive

Introduction to VMware vSAN Stretched Cluster VMware vSAN Stretched Cluster was introduced back in vSAN 6.1 specific configuration for the environments where disaster / downtime is a primary requirement. Stretched Cluster deployment will be having 2 Active / Active Data Site connected with the well-connected network with a round trip time (RTT) latency not more …

VMware vSAN performance Service: What is it?

Introduction to vSAN Performance Service VMware introduced vSAN performance service back in vSAN 6.2 which vSAN administrators can leverage to monitor the performance of an vSAN environment. vSAN performance service collects and analyzes performance statistics and displays the data in a graphical format. You might ask, why VMware introduced vSAN Performance Service to troubleshoot vSAN …

Configuring VMware vSAN 2 – Node Cluster

Introduction to 2-Node vSAN Cluster The vSAN 2 Node configuration initially introduced in vSAN 6.1. Prior to 2-node vSAN, three-node clusters was the minimum supported configuration for vSAN enabled environments. VMware vSAN 2 Node Clusters are supported on both Hybrid configurations and All-Flash configurations. A 2-node cluster is very useful in case of ROBO (Remote office Branch office). …

Updating VMware Virtual SAN HCL database offline

VMware offers certified compatibility guides which list System, I/O, Storage/SAN and Backup compatibility with VMware Infrastructure and previous versions of VMware ESX Server. VSAN Health Check leverage VMware Compatibility Guide database for various health checks stored on vCenter Server in place of VMware website. VMware ships a copy of VMware compatibility guides database can be …

VMware VSAN Network Design consideration

VMware Virtual SAN is a distributed shared storage solution that enables the rapid provisioning of storage within VMware vCenter. As Virtual SAN is a distributed shared storage, it is very much dependent on correctly configured network for Virtual Machines I/O and for communication between Virtual SAN Cluster nodes.  Because the majority of virtual machine I/O …

Configuring Windows Server 2016 as iSCSI Server

In this post I’m going to show the steps to install and configure iSCSI Server in Windows Server 2016. iSCSI ( Internet Small Computer System Interface) allows to send SCSI command over LAN or WAN. iSCSI devices are disks, tapes, CDs, and other storage devices on another networked computer that you can connect to. While …

Creating Virtual Volumes using EMC vVNX Community Edition

In one or the earlier post I covered the process of deploying and configuring vVNX Community Edition. In this post we will be discussing how we can create VMware Virtual Volumes ( vVOLs) running EMC vVNX as backend storage. Virtual volumes (VVols) are a new storage integration and management framework supported in VMware vSphere 6.0 …

Configuring Space Efficiency Technologies in VSAN 6.2

Virtual SAN 6.2 introduces space efficiency features optimized for modern all-flash storage. You can use space efficiency techniques to reduce the amount of space for storing data. Space efficiency features available in VSAN 6.2 are : Deduplication and Compression on a Virtual SAN Cluster. RAID 5 and RAID 6 erasure coding using Failure tolerance method …