The ramdisk ‘var’ is full on ESXi host and fix (without maintenance mode or reboot)

I recently encountered an issue where vMotions on a host would fail, the host would disconnect from vCenter, and some other strange errors. This was an HP host installed with the HP ISO image, but not sure if that is the cause of this issue. When investigating the logs on the host I noticed that /var on the ramdisk was … [Read more...]

Fixing problems with in-context log viewing from vROps to Log Insight

Had an issue at a customer where I was not able to use the in-context log viewing in vROps to view the logs for the ESXi servers in Log Insight. Using crops 6.6.1 and Log Insight 4.5.1 First part of the solution was to uses FQDN on the ESXi hosts. Only short hostnames where configured on ESXi hosts, which probably … [Read more...]

vSphere Distributed Switch refused to upgrade to version 6.5

Just after vSphere 6.5 was released I decided to upgrade my lab to 6.5. Most of the upgrade went pretty smooth, but two of my 3 distributed switches refused to upgrade. Googeling for a solution dit not help too much, probably since the product was released just a day before When I tried to upgrade I got a message the … [Read more...]

vCenter 6.5 upgrade did not recognise vSphere 6.0 Platform Service Controller version

When I tried to upgrade my lab environment from vCenter 6.0 with external PSC to vCenter 5.5, I ran in to an annoying issue. I tried to upgrade my PSC, but the installer was not able to determine the version from my current PSC. It assumed it was 5.5 and I had to confirm this, which of course, I did not. No way to tell … [Read more...]

VMworld 2016 Second Keynote

The second keynote is usually a more tech savvy, and packed with demos (which used to be live but are replaced by recorded demos nowadays). Keynote starts with Sanjay Poonen,General Manager of End-User Computing. Sanjay starts talking about the transformation of education, healthcare, and low tech branches like tea … [Read more...]

VMworld 2016 Opening Keynote

I was fortunate enough to attend VMworld again this year. This is my take on the Monday morning Keynote. Pat Gelsinger, VMware’s CEO kicks of limping a little due to a broken foot. 21 Alumni Elite present, whom have attended all VMworlds (all US VMworlds to be more specific) They will all get lifetime access to … [Read more...]

Invalid credentials message when registering vCenter Server with external Platform Service Controller in vSphere 6

When vSphere 6 was released, I decided to delete my RTM version of my external Platform service Controller and vCenter Server appliances, to replace them by the GA versions. Installing the PSC went fine, but when installing the vCenter appliance, I was not able to register it to the PSC. I kept getting the message … [Read more...]

Nasty HP software bug hits vSphere 5.1 and 5.5 and helpful info to fix this

Recently I got a call from a customer he was not able to log in to his ESX 5.5 hosts anymore trough ssh, and could not vMotion VM’s anymore. It seemed like the ssh daemon died and trying to start it again did not work. I was able to log on to one of the hosts (DL380 G8) and have a look at the vmkernel.log … [Read more...]

Add RecoverPoint 4.1 with SRM RecoverPoint SRA 2.2 fails with error “SRA command ‘discoverArrays’ failed” UPDATED

During an installation and configuration of an SRM solution for a customer based on EMC RecoverPoint 4.1 I ran in to an interesting issue. When I tried to add the RecoverPoint Clusters on both sites using the RecoverPoint SRA 2.2 I received the following error message: Looking at the SRM logs on the SRM server did not … [Read more...]

Batch file to start VSAN Observer on Windows vCenter Server

After reading the blog article by Erik Bussink on how to use the VSAN Observer software on a Windows vCenter Server, I quickly got annoyed by manually having to start the Ruby rvc script and the VSAN Observer every time I created a little batch file that can be put on your desktop to launch the VSAN Observer Just enter … [Read more...]