July 2011

Growing a Disk is ALWAYS a Bad Idea if You Have Snapshots

Posted on 2011-07-06 by greg.porter

Never grow a disk if the machine has snapshots. Even if the GUI lets you. This morning I got a request to grow a virtual disk on a vm. What you should do is look at the machine and see… Continue Reading →

Be Careful When Putting an VMware ESX Host in Maintenance Mode With A vCLI Script

Posted on 2011-07-02 by greg.porter

If your VMware ESX hosts are like our ESX hosts, the hosts are in clusters and you have Distributed Resource Scheduling (DRS) enabled. So in the vCenter GUI, when you right click a host and select “Enter Maintenance Mode”, DRS… Continue Reading →