Upgrading VMware vCenter Heartbeat 6.3 update 1 to 6.4

12 October, 2011

When preparing your Virtual Infrastructure environment for vSphere 5 and vCenter 5 you also need to think of all the vCenter applications that are dependent on vCenter. One of  them is vCenter Heartbeat. To be able to run vCenter Heartbeat on vCenter 5 you will need to upgrade vCenter Heartbeat to version 6.4. Normally upgrading [...]

Zerto Replication and Disaster Recovery the easy way

23 June, 2011

Zerto http://www.Zerto.com/ (Zero RTO) is a startup company that I first heard about when they were presenting at the Techfield Day in Boston. All information was under embargo, which didn’t allow us delegates to publish about Zerto until June 22nd and so I had to wait with this post until now. The presentation done by [...]

Cheap disaster recovery

14 February, 2011

At the Dutch VMUG, together with my colleague Jos Vanaubel, I presented about how to do cheap disaster recovery using only PowerShell. At the London VMUG I held the same presentation again and promised to upload the scripts to my blog. Well, here it is in PDF format:

Snapshot fails with incorrect CID info in the VDMK file

28 September, 2010

Just before I was heading home, my colleague asked me to assist with a VM he couldn’t power on anymore. Seemed a customer had tried to commit a snapshot and the job timed out. The customer then tried some other things and suddenly the VM was down. While trying to power on, there was an [...]

About ESXi lockdown mode

30 November, 2009

When you build your virtual infrastructure with only ESXi hosts that you also lock down for security reasons, you might be in for a little surprise when you want to get your VI up and running again after major maintenance or a failure. First thing to do after the virtual infrastructure has been down, is [...]