VMware are clear about the importance of setting admission control on vSphere clusters, and the preference of using the percentage calculation where possible A simple formula will help calculate for heterogeneous cluster* For example I Read More …
simple script to extract fc naa and capacity info [code language=”powershell”] $AllDS = Get-Datastore $results = @() foreach ($ds in $AllDS) { $dsview = $ds | Get-View $resultsarray = "" | Select "DatastoreName","CanonicalName","CapacityGB","FreeSpaceGB" $resultsarray."DatastoreName" = Read More …
Bandwidth control methods are changed in vsphere 6 distributed virtual switches with NIOC 3 System Traffic, Network Resource Pools, Network Shares, Reservations and Limits, Traffic Filtering and Marking, QaS, Cos Tagging, DCSP Tagging, Network Traffic Read More …
Trying to keep track of what you have read in preparing for the advanced level design exam is a task in itself. I’ve created a downloadable excel file that contains objectives and hyperlinks as per Read More …
In the previous posts I wrote about virtual machine cpu limits not being exposed to the guest OS. This presents concerns for systems and application admins when investigating performance related issues The example vm has a Read More …
Stuff that saves time… if you can remember it..! A growing collection of simple one-liners. List vms with Name Get-VM | Where {$_.Name -like “Web*”} Get by Blue Folder $f = Get-Folder <“folder Read More …
Application issues, undersizing a virtual machine, or applying a restrictive cpu limit can all result in cpu ready CPU Ready is the primary indicator of a cpu performance issue. Although it’s possible to create a cpu-ready alarm, every VMware Read More …