A. Mikkelsen

VMware ESX scripts, commands, tools and other nice to know things that will make your virtualization days easier!!!!

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After we upgraded to vSphere 4.1, the SCSI adaptor of all our WINXP guests changed from LSI Logic Parallel  to BusLogic Parallel. This change should normally not create any warnings or problems it VMware Tools are up to date. But after the upgrade all our WINXP guests got the following warning when powered on in […]

But ESX as a VM with running VM’s is new. It’s now possible to run ESX as a VM on an ESX server or in a Workstation. See howto http://www.vcritical.com/2009/05/vmware-esx-4-can-even-virtualize-itself/

This isn’t new! But what is new, is that it’s now possible to run VM’s inside the hosts. The performance isn’t the best, but it’s OK for testing. Read the full article here.

Today i came accoss this handy little guide to boost performance of a VM. Disable the pre-logon screensaver: Open Regedit HKEY_USERS\.DEFAULT\Control Panel\Desktop Change the value of “ScreenSaveActive” to 0. Disable updates of the last access time attribute for your NTFS filesystem, especially for i/o intensive vm’s this is a real boost: Open CMD fsutil behavior […]

Eric Siebert has writen a very good and explaining guide on how to troubleshoot snapshots on ESX 3.x. Virtualization administrators can use snapshots on VMware ESX to travel back in time and figure out what went wrong with their virtual machines (VMs). But what do you do when your snapshots start acting funny? In this […]

Today i came accross a cool article about how to easy get your VM to boot from CD. This only applies to ESX 3.0.x and not ESX 3.5.x, because in ESX 3.5.x you are able to use the VI Client to set this option and many more. Read the full story here: In summery: add […]

Xtravirt.com has released a guide on how to configure shared storage on a Workstation 6 to use with ESX. http://www.xtravirt.com/index.php?option=com_remository&Itemid=75&func=startdown&id=16  Also read “How to run ESX 3.x on a Workstation 6” Again Nice job. A. Mikkelsen

Edit and add the following to the VMX file : scsi1.present = “TRUE” scsi1.virtualDev = “lsilogic” scsi1.sharedBus = “virtual” disk.locking = “false” scsi1:0.present = “TRUE” scsi1:0.fileName = “Shared.vmdk” Notice that the SCSI target is 1:0 and not 0:1 After this you should be able share the disk between 2 VM’s.