vOpenData is a very cool project that grew from the question “What is the average VMDK size for deployed virtual machines?” Project collects data from virtual infrastructure and provides awesome statistics to public. From a project online dashboard one can see average RAM size per ESXi host, which is at the moment 137.33 GB, or number VMs per host – 17.8 – I expected bit higher ratio VM/Host. If you are interested...

When it comes to upgrade HP c7000 enclosure components with VMware ESX or ESXi blade servers inside – It is a drama and pain :-/ – to find a documentation, firmware compatibility matrix, finally the right version of software and user guides – in addition HP site work like crap. The slowest vendor site I’ve ever seen. Anyway, after few hours finally I figure out how to do full online upgrade in HP c7000 enclosure...

Few days ago I wrote blog post about OpenFiler virtual appliance deployment and configuration for vSphere homelab. Today, quick how to for in place upgrade from OpenFiler 2.3 to  OpenFiler version 2.99.1 and update to OpenFiler 2.99.2. In fact there is no easy way to do upgrade from 2.3 to 2.99. What has to be done is: export configuration from OpenFiler 2.3 clean install OpenFiler 2.99.1 update to version 2.99.2 restore configuration from...

I had to rebuild my homelab storage “infrastructure” and this is a good opportunity to create quick how deploy and configure OpenFiler virtual appliance. OpenFiler is a OpenSource storage appliance (iSCSI and NFS) which is very easy to set up and fit perfectly into home or test labs. It emulates NFS v3 protocol and iSCSI protocol, as you know both are supported by VMware vSphere. Download...

Fifth part of the vSphere networking series is for 4 x 10Gbps network adapters – 2 x dual port NICs. Network traffic types: mgmt – VLANID  10 vMotion – vLANID 20 VM network – vLANID 30 storage iSCSI – vLANID 40 FT (fault tolerance) – Vlanid 50 Scenario #1 – 4  x 10Gbps – vSphere 4.X and vSphere 5.X – static configuration – rack mounted servers Above scenario is for use case where Enterprise + license is not available. There are tow...

This tool is definitely worth to mention, thanks to VMware labs we have possibility to make vCenter server inventory snapshot, awesome isn’t it ? You can create snapshot of particular DC, cluster or even a single VM, if you want. Watch video at the bottom of this post to discover all features. There are several use cases such as: Backup and restore of vCenter inventory Migration of vCenter server to new server How does it work ?...