VMware vSAN – Study Guide
My first experience with vSAN goes back to 2019 when I worked as a virtualization consultant at APK in Iran. During that time, I had the opportunity to work on several projects involving vSAN, and it was truly an excellent…
Category SDDC / Infrastructure
Expanding vSAN ESA Cluster Capacity
If your vSAN ESA cluster is running low on storage capacity or if you are considering expanding the capacity of the cluster, you’ll be pleased to know that the process has become even more streamlined and convenient with the introduction…
An introduction to how vSAN stores and reads data in OSA and ESA
In this post, I will provide an explanation of how vSAN stores and read data in both OSA (Original Storage Architecture) and ESA (Express Storage Architecture) architecture to enhance understanding of vSAN. The explanation will start with the former OSA…
VxRail, vSAN ReadyNodes, and PowerStore X!
Datacenter solutions are changing faster than ever as business development and new customer demands increase and legacy solutions are no longer suitable for today’s operations. Organizations need to develop new, modern, automated, and intelligent solutions to keep pace with business…
Estimation of VM change rate in different time intervals (minutes, hours, daily)
A question on one of the projects came up recently about how to see the disk change of virtual machines for a specified period of time. We were planning for replication between sites and the customer wants to know how…
ESXi indicate iSCSI device as “Not consumed”
Hi Everyone! Recently, I created a new LUN in Huwawi Storage and then went to the VMware vCenter to create the corresponding datastore. I created this datastore on one of the ESXi hosts and went to the other hosts and…
Storage vMotion fails with Error 195887107
I was moving a virtual machine from one data store to another that I faced with the following error In the VMware documentation, it occurs on the virtual machines that have disks with the multi-writer attribute. While in my environment the virtual…
Disable Time Synchronization for Windows Virtual Machine without Disabling VMware tools
In this article, I want to provide best practices for achieving accurate timekeeping with a domain controller or NTP server in Windows guest operating systems. This recommendation is based on my experience and VMware docs.In a typical domain environment, time…
SQL Server On VMware – Best Practices
One of the problems in organizations that implement SQL Server on a virtual machine is the lack of recognition of the virtualization which leads to the non-optimal implementation of this service on the virtual structure and then causes them to…
vCenter appliance boot to emergency mode due to a corrupted file system
After I had to restart vCenter for some reason, this server failed to boot properly and went into the Emergency Mode. The appliance fails to start and reports the following message: To find out the root cause of this error,…