System Administrator

Q1: what is the default invocation period for DRS. Can we change this. If yes then how? Ans: The default invocation period is 300 seconds (5 minutes). But this can be changed via the configuration file vpxd.cfg. We have to change the value of <pollperiodsec> as shown below: <config> <drm> <pollperiodsec> 300 </pollperiodsec> </drm> </config> Just change the value 300 to a custom value defined by you. The range of supported value is 60 secs to 3600 secs. Q2: What is the role of VPXA in DRS? Ans: VPXA is the vCenter agent that runs inside Esxi hosts and it enables a 2 way communication between Esxi hosts and vCenter Server. VPXA is responsible for: Keeping the status of Esxi and VM’s in sync It sends info to vCenter server when a VM’s power state is changed or a VM is vMotioned from one host to other. DRS uses this information which is presented by Esxi hosts to vCenter server for calculating the load balance and

VMware: How to identify the performance of CPU & Memory Metrics Most of the times, We find difficulty to understand the Performance metrics of Virtual Machine displayed in the vCenter at my initial stages of learning. But Now I believe that got little bit understanding. This post is for to help  the VMware beginners to understand Virtual Machine Performance metrics. Understanding the Performance metrics of virtual Machine is extremely useful  to troubleshoot the virtual Machine Performance issues. There are 2 Places Where we can check the Performance metrics of Virtual Machine in vCenter Server 1. Summary Tab of Virtual Machine 2.Resource Allocation Tab of Virtual Machine –> Let’s Take a detailed look of each virtual machine performance metrics. Below Snapshot is the general overview about the Virtual Machine and its allocated resources. My virtual Machine has allocated with 1vCPU and 4096 MB (4 GB) of Memory  Memory Overhead   (164.47 MB) ESX Hosts re

Fix] 0x800F0906 and 0x800F081F Error Messages While Installing .NET Framework 3.5 in Windows 8/8.1 You might be aware of the fact that  Windows 8  and  Windows 8.1  operating systems don't come with  Microsoft .NET Framework 3.5  installed. But there are many 3rd party software programs which require .NET Framework 3.5 in your system. In such cases you need to install the .NET Framework 3.5 version in Windows 8/8.1 manually. There are 2 ways to install .NET Framework 3.5 in Windows 8/8.1: Online Install Offline Install In  Online Install  method, you install .NET Framework 3.5 using  Control Panel -> Programs and Features -> Turn Windows features on or off  option. In this method, Windows first downloads the setup files of .NET Framework 3.5 from Internet and then installs it in your computer system. In  Offline Install  method, you use a built-in command to install .NET Framework 3.5 directly using Windows  setup  disc without requiring Internet connection.

VMware VC Client Error: Unable to contact the MKS or VMRC error When we try to open the console from VC we use to get error on the TOP. To resolve this issue, remove the environment variable from the vSphere Client machine or vCenter Server:  Step 1:  Migrate the VM from existing esx to another esx. or Step 2: 1.     Click Start > Run, type sysdm.cpl, and press Enter. The System Properties window opens. 2.     Click the Advanced tab. 3.     Click Environment Variables. 4.     Remove any user variable and any system variable named User . 5.     Reboot Windows and launch vSphere Client. Step 3: If the issue persists, end any vmware-vmrc.exe processes in the Windows Task Manager: 1.     Close all vSphere Client sessions. 2.     Open Windows Task Manager. 3.     Search for any vmware-vmrc.exe processes and end the process. 4.     Start the vSphere Client and connect to the host directly or to vCenter Serve