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). …

Configuring ISCSI Target using VSAN 6.5

Introduction to ISCSI Target using VSAN 6.5 With VMWare vSphere 6.5 release, VSAN 6.5 also extended workload support to physical servers using ISCSI Target Service. iSCSI targets on VSAN are managed the same as other objects with Storage Policy Based Management. vSAN functionality such as deduplication, compression, mirroring, and erasure coding, RAID-1, RAID-5, RAID-6 can be utilized with …

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 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 …

Health and Performance Monitoring Service in VSAN 6.2

Being a VSAN administrator we generally use VSAN observer while troubleshooting VSAN Performance issues. VSAN observer was first introduced in 5.5 U1 GA and is a part of Ruby vSphere console ( RVC )  tool an interactive command line shell for vSphere management. VSAN observer allows to dig deep into VSAN’s performance, see the IOPS, …