I faced multiple times the issue that after the installation of VMware tools the iso has not been clean unmounted. This can prevent virtual machine from live migration by VMotion. Mostly the root cause is related to the fact that the “eject” command is missing in the guest operating system. So to fix you could try to …

Last week I started to play around with Openstack in combination with VMware vCenter. I used Devstack as baseline and configured the VMware support. I wasn’t expecting that it will directly work but it did. The configuration is described in the OpenStack Wiki. As environment I used 3 HP Dl360 G7 (2xQuad Core, 96GB …

I faced this issue in my environment multiple times now. If I try to consolidate I get an error message “Unable to access file since it is locked” An easy way to get this resolved is, you shutdown the virtual machine and afterwards migrate it to a different host and datastore. After this migration you can consolidate …

To remove an VSA cluster you have to execute an script which is part of the VSA Manager. Details:

Based on the response of VMware on a SR it is possible to increase the memory of a VDP appliance to 16GB.

If you are facing issues with failed VDP backups try to increase the memory of the VDP appliances to 8GB. In my environment this has improved the situation. Still issues but 50% less.

If you are using Datastore cluster with enabled SDRS in vSphere 5.1 you possible will receive this error message. Call “StorageResourceManager.RecommendDatastores” for object “StorageResourceManager” on vCenter Server failed Currently is no fix available from VMware. But will possible be available in ESXi 5.1 Update 1. …

Normally you install the vSphere Webclient on an additional windows server to separate it from the vCenter. This results in one additional Windows license (Server or 7 both possible). But wait why should I do this if there is the vCenter Appliance from VMware which contains the Webclient running on Linux? So I tried it …

Yesterday VMware has announced the new VMware vSphere 5.1 with multiple cool new features. Feature list from the Whats New VMware 51 Platform Technical Whitepaper.pdf VMware vSphere 5.1 introduces many new features and enhancements that further extend the core capabilities of the vSphere platform. The core platform …

Since May ( Post ) I was facing multiple Kernel panic’s in my VDR appliance. Now I got something like a fix which is running quite smooth in my environment. Steps: Deploy a new VDR 2.0 appliance SSH in or log into the console (root/vmw@re) 3. Install this kernel. rpm -i …