Over the past few months we have seen a few Windows servers with a black screen. Meaning You can’t see the logon promt You get a black screen when you connect with RDP We found that the problem was caused by a change in the Windows color scheme. The solution is to copy the color… Read More »
If you want to perform an offline upgrade of an ESX 3.x host to the new vSphere host there are a few ways. Using a DVD: /root/esxupgrade.sh storage1 Using the DVD ISO: esxupgrade.sh -i /vmfs/volumes/storage1/esx4.iso /vmfs/volumes/storage1 storage1 – should be a VMDK local datastore attached to the host. storage1 – should be at least 8.4GB… Read More »
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/
Read this post before upgrading.
Techtarget.com has released their Top 10 pick from VMware to tryout in 2009. Read it. Fault Tolerance (FT) VMsafe vNetvork Distributed Switch and Cisco Nexus 1000v virtual switch vCenter CapacityIQ vCenter Data Revovery vCenter ConfigControl vCenter Orchestrator vCenter Chargeback vCenter AppSpeed vShield Zones
VMware have included the old and trustworthy performance monitor VMKUSAGE in VC 2.5 U4. This time the monotor has been added to VC as a plugin. To get access to the new plugin you have to follow this knowledge base article. If you like me upgraded your VC without stopping the Webaccess service first you… Read More »
Today a one of my customers encountered an error when trying to revert to an snapshot. They recived the following error: “error encountered trying to restore cpu state from file /vmfs/volumes/…./xxxxx.vmsn” After a bit of googleing if came up with the problem. The error occures when a VM with snapshots (taken when VM is PoweredOn)… Read More »
To night I had problems with uninstalling VMware Tools in a VM after updating to the latest ESX release. The uninstaller kept asking me to insert the “VMWare Tools” disk and click OK”. In the popup window there is pull-down field labeled “Use Source” and in this field is the number one (“1”). If I… Read More »
Right after lunch today I had a host (3.5 U3) crach with a kernel panic. It shouldn’t be a problem for clusters running HA, but on this cluster I had disabled HA bacause of an error and hadn’t had the time to depug :-(. So my VM’s couldn’t be started on a new host and… Read More »
Have you ever needed to verify the security or hardened state of you ESX hosts? If yes, then these tools from ConfigureSoft.com or TripWire.com will help you make the process easier. If no, take a look at the tools anyway – it’s always nice to know if your “babies” are safe ;-). http://www.configuresoft.com/compliance-checker.aspx Compliance Checker… Read More »