VMware Horizon deployments are often plagued with performance problems. Troubleshooting these problems is not a trivial task because there are many reasons for the poor performance of VMware Horizon deployments: storage issues, network bottlenecks, insufficient resources (CPU, RAM, etc.) and software issues. Effective monitoring is the first step in identifying…
Improve VDI Performance
“VDI is slow” is usually one of the most common complaints in VMWare deployments. There are many root causes for the perceived poor performance of VDI. Administrators often waste precious time chasing the wrong problems. This article lists the usual suspects so that they can quickly address end-user complaints. Long…
VM snapshot is a very commonly used feature in the VMware vSphere environment. A VM snapshot preserves the state and data of a VM at a particular point in time. This includes the VM powered state, along with all the data including disks, memory and virtual devices. This makes the…
For the lowest latency VDI VMs, the VMs should be running from in-host RAM. The combination of two facts – that RAM is the lowest latency media there is, and it is on the same motherboard as the host CPU, makes this storage architecture for VDI higher performing than any other….
VDI deployments are plagued with boot storm problems as they scale up. Boot storms are caused when many VDI users simultaneously boot up their virtual desktops, say first thing in the morning when they come to work. When a large number of VDI VMs are simultaneously powered on and their…
The big difference between the two is that VSA can cache only reads and only from the Master/Replica VM in Horizon VDI.1,2 VirtuCache caches reads and writes from all server & desktop VMs, and it can cache to TBs of in-host SSD or RAM, with the goal of servicing all storage…
Both cache ‘hot’ data to in-host RAM, but the differences between Citrix MCS Storage Optimization and VirtuCache are many. The top three are: – MCSIO works only for non-persistent Xenapp / Xendesktop VMs.1 VirtuCache works for all VMs on the ESXi host; – Citrix MCSIO can cache only VM writes…