Thanks to one of my blog readers, Keino-Paul from NYC, I have an opportunity to share with you tested hardware configuration for VMware vSphere 5.1 build 799733 which can be used as a pretty cheap HomeLaB config. Hardware specs: HP proliant microserver N40L 6GB RAM (max is 32GB, 2×16), 2 memory banks on motherboard. If you are interested in heaving 32GB these modules has been...

One of they ways of upgrading to vSphere 5.1 is a Simple installation. Simple installation does install below services in exact order: vSphere SingleSignOn vCenter inventory services vCenter server Before upgrade make sure below requirements are met: Create a vCenter Single Sign-On database, unless you plan to install the bundled database. If you are using an existing database for Single Sign On, you must create a database user (RSA_USER)...

The third day at VMworld and unfortunately the last one, but for me the most important one. Yesterday at 11.30 I had my presentation at VMworld (see link below). I would like to thank those who find few spare minutes and showed up. For me was a great pleasure to speak in front such a great audience even though I was bit stressed but after all, feedback from audience was positive. Before my speech I was on a group discussion about...

What the VAAI is? vStorage API for Array Integration (VAAI) can offload ESX host for specific storage operations such as: Atomic Test & Set (ATS), which is used during creation of files on the VMFS volume (provision new VM) Clone Blocks/Full Copy/XCOPY, which is used to copy data (Clone, storage vMotion) Zero Blocks/Write Same, which is used to zero-out disk regions Thin Provisioning in ESXi 5.x and later hosts, which allows the ESXi...

In the morning I was trying to remove snapshot from VM using vSphere client, to my surprise, I couldn’t remove it.  An error says: Remove snapshot <VM name> Another task is already  in progress. < domain\user> <virtual machine name> console I tried to stop VM, without success, error this same like above. Second try-out, from command line using vmware-cmd command with removesnpahots syntax, failed with error:...