VSAN 6.2 UPGRADE ERROR

Update 30 March – VMware have released a KB article with steps how to solve this problem. VMware will be providing a permanent fix in due course. In the meantime they are providing a  script that will detect stranded objects, broken disk chains and objects with a CBT lock. Where possible, the script will then…

VMCA subordinate CA caveats

vSphere 6 comes with the VMware Certificate Authority service on the VCSA. It’s possible to configure this as a subordinate CA in the existing CA infrastructure. We tested this configuration in our lab environment and ran into some issues with this configuration. As I don’t have any screenshots of the issues, I will try and…

Log Browser and ESXi RAM disk full

With the vSphere Web Client it is possible to view, search and export vCenter Server and ESXi log files using the Log Browser. When you use the log browser to retrieve the log files of an ESXi host, the log bundle is stored on the ESXi host in /tmp/scratch/downloads. The location /tmp is a symbolic…

ESXi 6.x CBT issue

VMware has released a KB article regarding a new issue affecting ESXi 6.0 and 6.0 Update 1. This issue affects backups utilizing change block tracking (CBT). When running incremental virtual machine backups, backup applications typically rely on the vSphere API call QueryDiskChangedAreas() to determine the changed sectors. This issue occurs due to a problem with CBT…

Bye Bye vSphere C# Client

Since the introduction of the Web Client new features to vSphere would be available only through the Web Client, with the most well known example of VSAN. The performance of the Web Client was not great at all which made it a big obstacle for using the Web Client instead of the old vSphere C# Client.…